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Can one thermostat control two zones. It's a single-zone system with both heating and cooling.
Can one thermostat control two zones. What Is A Multi Zone HVAC System? Such heating and cooling systems use dampers in the Once the zone dampers and control box are in place, proceed to install the new thermostat. Honeywell, for example, has more advanced thermostats that can have remote heat I am setting up my basement playroom and the heat is on the same zone as my dining room on the main living level. One of my Hot Water zones is for the Entrance Hall, Living Room and Dining Room. Learn more about managing home temperature zones effectively with multiple thermostats. The thermostat has me setting zone 1 and zone 2 separately. How Do I Create Multiple Heating Zones? Customer: I currently have two zones in my heating system and would like to revert to a single zone. I want to run two of my zones (operate two zone valves) from one thermostat by wiring the new zone's thermo termination points parellel with one of the other two zones' thermostat wiring. Investing in a dual-zone HVAC system can ensure that […] Feb 21, 2019 · I have 2 factory installed ac units in my 2017 flying cloud. Is there a thermostat available that we could use for the heat pump and also for the boiler for our bedroom zone and switch between the two heat sources when the seasons change? Thermostats play a crucial role in regulating the temperature in our homes, ensuring comfort and energy efficiency. Q: Can two thermostats control one zone? A: Yes, you can use two thermostats to control one HVAC zone. And that’s where zoning comes in. We currently have four thermostats — one for each heat zone, and one for the A/C. Jan 25, 2022 · Learn how to wire, set and use two thermostats to control one HVAC zone and save money on electricity. In that case, the thermostat is only driving the trigger of two controls. They're not for separate zones. Effectively using these zones can afford you many benefits, but it's not always easy to know how to set each thermostat. Hub can run programs which coordinate all zones together at certain times -- for example, one "Away" program which Jan 11, 2022 · It may be that with that jumper, the one thermostat can drive two zones on the thermostat inputs. I would like to use just one thermostat. For example, if you have a large open space, placing thermostats in different locations can help balance the temperature more effectively. Instead, try balancing the airflow, upgrade your thermostat, or get a zoned HVAC system. Jul 28, 2024 · Discover Can One HVAC Have Two Thermostats efficiently. Are the two zones on the same transformer? This would be both thermostats go to the same connection for their R wire. Short Answer Yes, ecobee thermostats are designed to control multiple zones in your home, depending on the model you choose. One thermostat controlling both zones. System has being having issues and it might be the thermostats. There certainly is no requirement for separate tenants to have separate HVAC systems. Thermostats in zoned systems can control the same heating and cooling system or each thermostat can control its own system. There might be some older thermostats that will not allow this, but generally speaking, it is possible. Jan 25, 2022 · However, although it is possible to use two, or even more, temperature sensors or thermostats to control a single zone in your house, you might encounter problems wiring the thermostats in parallel. Each zone has its own thermostat and now I have two ecobee, one for each zone, it works fine. Can I simply disconnect the wire going to zone two and connect it to the zone one controller so that both dampers open simultaneously? We are converting the space back to a single unit, and one of the zone thermostats was located on a wall that has been reconfigured. This article details the options, wiring, zoning systems, and considerations for American households exploring dual thermostat setups with a single air conditioning unit. I am trying to model two zones performed by one single fan coil. ZoneHVAC:EquipmentList ; The equipment name has Oct 10, 2023 · Single-Zone HVAC Systems A single-zone HVAC system uses one thermostat to control heating and cooling for the entire home. Jun 17, 2025 · Looking to control temperatures in separate zones using two thermostats with a single air conditioning (AC) unit? This article explains the practical considerations, wiring requirements, zoning setup, and potential challenges when using two thermostats with one AC unit in American homes. I use Z-wave thermostats with a local Z-wave controller (hub), so control isn't cloud-tethered. Can I setup a slave type of t-stat to the zone? Creating Multiple Comfort Zones with One AC Unit Can you have two zones with one AC unit? The answer is a resounding yes. With multiple thermostats, each room can be maintained at an optimal temperature, enhancing overall comfort. Having two thermostats means having twice the devices to set, and finding that sweet spot might be a bit more, but you can search two thermostats online for advice on getting the temps you want. There's a zone for each floor and I'm wondering if one can be Feb 20, 2024 · To help you find the best smart thermostat for multiple zones, we took the time to research all of the different options available today and analyze their features and customer reviews for you We will use the radiant system during winter. That would let you connect both thermostats to a single system and have them independently call for heating or cooling. Is there any way to make an Ecobee system play nicely with this kind of a configuration? May 5, 2024 · The question of whether one thermostat can control two furnaces is a common dilemma faced by homeowners and HVAC professionals alike. Right now, on the zone valve controller, one zone (by a 2-wired Honeywell valve inserted on the top of the controller) is controlled by one thermostat (has 2 wires inserted on the bottom of the controller) as shown in the attachment Essentially, just Jul 7, 2022 · The dampers and thermostats are connected to a central control panel that is also connected to the HVAC unit. Fortunately, there are videos available showing you how to install the second thermostat. I'd like to put a wireless second thermostat upstairs and pair it with the hard-wired one downstairs. I have the valves installed but havent wired them up yet. Your house more than likely is a zoned system. The zone controller makes all the decisions about controlling dampers and calling for heat or cool, so the thermostats don't have to In some heating systems, the different zones are each controlled by a room thermostat. Short Answer Nest Thermostat can be used to control multiple zones in a home. On the other hand, dual unit systems have 2 condenser units and 2 furnaces/air handlers, each with a different thermostat. Oct 21, 2009 · Re: Trying to use a single zone system to supply two zones Why would this not be allowed? A damper pinching off airflow for zone control is no different than VVT, VAV, Thermafuser or one of the several residential zoning systems out there. Check a section on your damper marked Thermostat 1 or 2 and attach the terminal Oct 21, 2014 · Let's take a look at smart multi zone thermostats and how they can be used to control both older & newer systems, such as radiant floor heating. Sep 6, 2024 · Having two thermostats in one zone can offer more precise control if the area is large or has varying heating/cooling needs. Dec 19, 2024 · In the realm of home comfort, the Nest Thermostat stands as a beacon of innovation and efficiency. 000 Control the temperature of you entire home with the efficiency of a Lennox Zoning System. Dec 10, 2024 · The answer to these desires lies in the realm of multi-zone heating and cooling systems, and the crucial question: can one thermostat control multiple zones? The good news is, the answer is a resounding yes! It's a single-zone system with both heating and cooling. This practice is common in multi-level or larger homes where temperature disparities are significant. One thing most folks don’t know is that you can group your ecobee into a single group. How do you set up a dual thermostat? Jan 22, 2019 · So thermostats are connected to the valves, not TT (end switches going to boiler). Smart Thermostat to Control Two HVAC Units? I have an older house that has two HVAC systems, one for the main house and one for the big extension on the back. Pros of Single You could wire it all together into one Nest (or any other thermostat) if you wanted but that defeats the whole purpose of two zones as you would always be firing up both zones when it calls for heat. Q: Can I connect more than one thermostat to a single HVAC unit? The most common way that two thermostats work with one HVAC system is through the use of a zone controller like . Jul 2, 2024 · Unless you have a simple, small home, you probably want more than one thermostat to control the heating and cooling. Can an ecobee paired with remote sensors individually control separate zone valves? Or do I need a thermostat in each zone to control them independently? We’ll be using a taco, or similar zone controller for 6-8 zones (still not fully determined) Jul 28, 2024 · By utilizing two thermostats, these systems allow for precise control over heating and cooling in separate zones, ensuring that each space maintains the desired temperature. With a little knowledge and a few great tips, you can be well on your way to a perfectly balanced home. Another option, albeit a bit dumb, is to get a 2-zone controller and just not connect any dampers. 1 day ago · Most people are unaware that having a duel zone thermostat can save them from spending too much on their energy bills. Another advantage is that one thermostat won’t call for heat when other is calling for AC. You can have separate transformers from the furnace and ac on a single system but never can one thermostat control two systems. Can one Nest be used to control two zones? I have a thermostat upstairs and downstairs – Learn about Google - Nest Smart Thermostat E with 1 Answer – Best Buy Jul 28, 2025 · A dual-zone HVAC system allows different temperatures in different areas of your home, providing personalized comfort. Let us look at some of the benefits it provides: 1. If you’re looking to have separate temperature controls for different zones in your home or want to divide your living space into multiple areas with different climate settings, installing two thermostats on one furnace can provide the solution you need. What happens if you turn one off, would it shut off the whole system? Is one the main one? Or do they work indepenently? Amazon Devices, the inability to view the output of more than one thermostat is the main issue preventing me from ordering some of your Smart Thermostats. These systems can precisely control the temperature in as few as two zones and as many as six or seven! You can designate each floor a separate zone, or even individual rooms. Is dual-zone HVAC more efficient? There are a few factors to consider when determining whether dual-zone HVAC is more efficient. You might be wondering, “ Can one furnace have two thermostats? ” The answer is a resounding yes! In fact, having multiple thermostats can be a game-changer for achieving optimal comfort and energy efficiency in your home. Jun 18, 2025 · Many American homeowners are curious if it’s possible—and smart—to use two thermostats for a single air conditioning (AC) unit. i have single HVAC system with independent split zones where each zone is controlled individually. Nov 29, 2008 · The thermostat is on the first floor. In this blog post, we will be discussing the 10 best smart thermostats for a dual zone. If solid state, it can probably handle combining multiple zones. I have an old house with radiators throughout, there has been a 2 room addition put on years before I moved into it and they added a baseboard in each room and a thermostat back there to control a circulator just for those 2 baseboards, problem is it won’t turn on the boiler, only the main thermostat turns on the boiler, I’d like to get that circulator to run the same time as the main No 24 volt thermostats are capable of controlling two systems. Mar 9, 2023 · Each thermostat controls a separate zone for an AC that has two. But there’s a lot more to it than just adding thermostats. Jul 24, 2022 · If you have two zones in your home, you will need two thermostats to control the temperature in each zone. This feature means you have more control over the temperature of each area, or zone, than in more simple systems. Is this possible? Can I install a Nest Thermostat for only 1 of the 3 thermostat in my home? Or do all 3 have to be switched to Nest Thermostats? I have a southern California two-story home built in the late '70s. I am going to take a wall down in my home and I want to combine 2 Zones into 1. Dec 30, 2024 · One person is freezing while another is sweating, making it difficult to find a comfortable temperature in your home. They might think about using two thermostats on one HVAC zone. Mar 15, 2022 · You can use two thermostats in one zone, but it depends on your smart thermostat. Very satisfied. Oct 24, 2020 · Can one thermostat control two zone valves? There is a way to connect two Taco valves to operate off one thermostat, but it’s not as simple as connecting them in parallel. Jan 12, 2025 · Multi-zone thermostats are designed to control multiple heating zones within a home. Feb 5, 2025 · In summary, having two thermostats on one HVAC zone isn’t the best idea. You can also create a group between the two and do some all in one controlling but best to manage individual for efficiency reasons. The thermostat monitors the temperature in its location and cycles the system on or off based on the temperature setting. The house had an old boiler so we recently replaced it. Mar 26, 2024 · To determine if a single thermostat can control two furnaces, it is essential to consider the compatibility between the thermostat and the furnaces. Mar 3, 2014 · Thermostatic Controls - Q: Multiple zones one thermostat - I have a weekend cottage in the country with a simple hydronic heating system comprising five zones. The dampers in the rest of the home remain closed. Then wire the units in parallel, iso relays ensure your not crossing voltage between units. Not sure a standard tstat can hold 2 extra relays from each terminal but the main unit control transformer should probably be able to handle the extra few VA. Some thermostats allow you to control each thermostat individually and give you the option of grouping them to create different heating zones. It will have wiring connectors for each of the dampers that you will install. This includes both heating and cooling, and each thermostat only controls a specific area. I really only want a Nest Thermostat on the main floor. The idea behind this is to create zoned heating, allowing for more precise temperature control across different areas of your home. Dec 18, 2021 · Some heating and cooling systems can regulate the way they work to control different rooms independently. How do two thermostats work in one system? Sould the temperature be the same. The Zone valves are Honeywells part # V8043E1012. In some heating systems, the different zones are each controlled by a room thermostat. Knowing what each type can do helps you make a smart choice for your home. The damper for the ductwork in one zone opens when it needs heating or cooling, guiding warm or cool air to that zone. The second floor often is colder overnight. However, you can buy more online if you wish to control temperatures in different rooms automatically. Most models support up to 32 zones, while some of the more advanced models can support up to 48 zones. The So basically you can time and control upstairs and downstairs of the house separately. Not only maximizing comfort— helping save money in energy costs. Technically, a single air conditioning system can respond to multiple thermostats by using a zoning setup—this allows the system to cool selected areas, or “zones,” as needed. Nov 2, 2021 · The Ecobee thermostat can be used to create up to 16 different zones to control your home’s temperature. What are zone valve powers? Background: For the system to function properly May 2, 2017 · Multiple dampers are connected together to create a zone. It helps to know what type of system they have (furnace, boiler, mini split, etc. Again, you’d need to have the specs. To complicate matters further, the hot water system in our house has three separate zones with their own valves. Each zone has its own thermostat that controls the heating and cooling operation in that area. Feb 14, 2025 · The Components of a Dual Zone HVAC System To achieve this zoned comfort, a dual zone HVAC system typically includes the following key components: Multi-Zone Thermostat: This replaces your single thermostat and allows you to monitor and control the temperature in each zone independently. Apparently the ecobee is multizone though. And want to know if i MUST buy another thermostat. The thermostat that currently controls our second floor air conditioner also controls the heat for our bedroom zone. Multi-Zone Comfort Control Center 2 Thermostat 10-Button Thermostat Compatible with Dometic Air Conditoner Series 579,595,600,6308,520,6218xx，457915 and More, Black Replace 3314082. It is possible to install two smart thermostats in one house. It's a single-zone system with both heating and cooling. The best smart thermostats for 2nd stage lockout – by setting this dip switch, smartzone will only allow 2nd stage if more than one zone is calling Stage from zone 1 thermostat – allows for a multi-stage thermostat to be connected to zone 1 and control zoning instead of smartzone (not recommended in typical circumstances) We would like to show you a description here but the site won’t allow us. Didn't see a need to upgrade since we usually have someone at home so don't need to change settings during the day. This setup allows for customized temperature settings in different areas of the home, ensuring comfort and cost savings. Nov 26, 2022 · I have everything wired through a 3 zone TACO controller controlling three honeywell zone valves. Multiple thermostats make it possible for every member of the family to enjoy a preferred temperature in his or her room without affecting the temperature in other rooms. Jul 25, 2024 · Yes, one HVAC unit can have two thermostats for better zoning control and increased energy efficiency. Both units will always have the same temperature settings on their thermostats. This setup, often referred to as “dual zone control,” can provide better comfort, energy efficiency, and flexibility in multi-story or large homes. Therefore, I'd like to only have one thermostat that controls them both. Wired and Wireless Smart Thermostats can be used to replace the room thermostats, allowing tado° to control the zones individually. Oct 13, 2017 · Hi all, I am a new member in E+. Oct 30, 2024 · Nest thermostats have revolutionized home temperature control with their sleek designs, intuitive interfaces, and energy-saving capabilities. The nest sensor will do as you want as well. Check the unit for instructions on proper installation and follow them to the letter. Instead of relying on a single thermostat to control the entire house, HVAC zoning uses dampers to regulate airflow in specific areas. Sep 21, 2018 · Thermostat technology has come a long way since mercury thermometers, and smart thermostats offer significant benefits, especially if you have a multiple zone home. Nov 4, 2023 · How Do I Add a Zone to My Heating System? Adding a zone to your heating system can provide numerous benefits, such as improved comfort and energy efficiency. For example, you could set one thermostat to be cooler for a specific zone and set the other zone to be warmer. Feb 27, 2018 · If you have a two-story home or a large single-floor home, you may need two separate zones for heating and cooling. … If the thermostat from a particular zone calls for heating or air conditioning, the dampers in that zone will open to allow the air to flow into that area. This means that up to 16 different rooms on the same Wifi network can all be managed straight from your phone. My question is where do i stand hooking 2 Tado smart thermostats to one single Bridge, is this possible? Obviously i am going to need to buy another Tado Thermostat to do this. It will allow you to set different temperatures for each zone and maintain a comfortable environment in your home. Zones Jul 9, 2022 · Two thermostats can control one HVAC systems zone, as the following example illustrates. The thermostat is an Ecobee3. That ensures that your schedules, etc apply to all thermostats when you change one. Nov 17, 2021 · Learn about the best multi zone thermostat for your home and how to get multiple zones to better control your heating and cooling. The decision of whether to use one thermostat for two furnaces depends on a variety of factors, including the size and complexity of the building, the heating and cooling requirements, and the desired level of control. I have a townhouse with 2 zones. With the use of zones, control, and dampers, you can regulate your home from top to bottom. . Also let me know if you meant you are trying to control a single two transformer system, If so give me model on furnace, ac unit and thermostat. The dampers within the system control the flow of air to each zone based on how you program whichever thermostat. Why HVAC Dual Zone System Acting as a Single Zone? Would need to add an isolated relay for each fan heat and cool in 2 of the units. Each thermostat measures the temperature and opens or closes the zone valve to regulate the temperature in that zone. A common example is a two-story house with one thermostat on each floor. Proper system design that takes into effect heat loss, infiltration, circuit length and flow rate, will allow a central thermostat to control the space without the inside temperature of the home varying more than a degree or two from room to room. I dont have access to the Pex piping to combine the zones in 1 loop and was wondering if I can use 1 thermostat to open and close 2 zone valves. So I ask again, when will you release the software update that fixes this issue? Nov 30, 2023 · Introduction Welcome to our guide on how to install two thermostats on one furnace. Both thermostats can call for heat, triggering the furnace to fire, and each thermostat controls one baffle. Currently they're controlled by two separate thermostats, both something like this. So you have 2 thermostats going to a zoning board that controls your furnace and condensing unit, but your thermostats also control zone dampers. Or can i use the ecobee for both zones. Dec 9, 2020 · 0 Can I have two thermostats connected to the same zone on my Taco Controller? I have two Taco Controllers with a total of 9 Hot Water zones. Take an example of a two-floor house in the summers. In a house with two stories, the upstairs tend to get hotter than the ground floor in the summer. Additionally, ecobee’s Smart Mar 15, 2022 · You can use two thermostats in one zone, but it depends on your smart thermostat. All the baseboard heaters in all 3 bedrooms, the hallway, and the bathroom of the upstairs unit are controlled by the same two thermostats. The number of zones in a particular home can vary based on square footage, the number of floors, room layout, and how the different rooms are used. Are you tired of battling over the thermostat with your family members? Sep 17, 2022 · A dual-zone system can unexpectedly turn into a single-zone unit, in case one of the thermostats started malfunctioning or the system was not wired correctly. If you do that, you risk burning out your thermostat… most can’t really handle the current. Each inside zone unit gets a unique controller. Jan 21, 2024 · A multi zone HVAC system allows you to control the temperature in the different zones of your house independently; multi-zone heating and cooling units have motorized dampers and, usually, a few thermostats. In a zoned system, multiple thermostats control one heating system that selectively distributes heat different parts of the home. Oct 6, 2020 · Does anyone know how wyze thermostat control multiple zones. Aug 11, 2017 · My multi-zone hydronic heat system only fires when there is a call by any of the room/zone thermostats and the boiler control finds the loop temperature is below the desired heating curve, based upon outdoor temperature, the optional "min temp" selection, and the adjustable hysteresis. Sep 5, 2023 · If you’re installing more than one thermostat and more than two dampers, buy a zone control box that can control all your dampers and thermostats. Feb 5, 2025 · Choosing the right thermostat is important for your system’s performance and energy use. Aug 26, 2022 · You can have them run independently and control different parts of the home, or you can sync and run them as one unit controlling the whole house. A common example is… May 7, 2025 · Discover how a 2 zone HVAC system work with dampers and thermostats to give you personalized temperature control and save energy in your home. Had to do some magic as I didn't have enough wires in the wall (missing c wire and didn When multiple thermostats are used to control a single system, dampers in the ductwork across the house are used to divide the house into zones. Jan 5, 2023 · Looking for some knowledge on this one. Zones can be added to an existing two-stage HVAC unit to improve comfort levels and energy efficiency. ZoneControl:thermostat ; Which zone should be considered as the master zone? 2. Mar 19, 2025 · Benefits of Dual or Multi-Zone Thermostats Sectioning your home with a multi-zone thermostat can be beneficial in numerous ways. In the summer the upstairs gets too hot and in winter the downstairs is too cold. If I am correct in my very basic understanding of HVAC systems, this means that two different thermostats control the same, single heating zone. If the two thermostats are correctly installed and connected, you can also save on your electricity bill. I have a 3 zoned boiler and went with ecobee 3lite (pretty cheap through utility company) for one of the zones. I have 2 heating zone and 3 thermostats , two of the thermostats are connected to each the taco zone valves which one to control downstairs and one to control upstairs My delema that upstairs both bedroom have the 3rd disconnected thermostat and always cold because the thermostat is located close to the kitchen upstairs . The Benefits of Zone Heating and Cooling Despite the initial cost of installing a new thermostat (s), temperature sensors, and upgrading or retrofitting existing HVAC systems, the pros of zone heating and cooling far exceed the cons. Apr 5, 2023 · However, some homes may benefit from having two or more smart thermostats. In theory this should work. How many zones can I control with a Nest Learning Thermostat with Zone Control. A dual zone thermostat gives you the ability to control two different zones in your home using one thermostat. Jul 27, 2024 · One HVAC unit can indeed support two zones, offering flexibility and energy efficiency for personalized climate control. This type of system is most common in smaller homes or apartments where there are minimal temperature variances across different areas. We want to control the Is it possible to use 1 ecobee thermostat (ecobee3) with room sensors to control two heat zones? I have one taco pump controlling two zone valves. That lets you control the conditions separately in different areas. If correctly installed, set, and used you will save on your electricity bill. ecobee smart thermostats control each zone of your heating and cooling system. This comprehensive guide delves into the intricacies of this topic, exploring the technicalities, advantages, and limitations associated with controlling multiple furnaces with a single thermostat. In a zoned system, multiple thermostats control one heating system that selectively distributes heat to different parts of the home. Sep 1, 2015 · Two AC units is merely a way to cool/heat more rapidly, since the house is in Las Vegas. There purpose of the second thermostat is to measure the temperature in the other zone and activate it when needed. But, this setup can waste energy and harm your I'd like one smart thermostat in the main area that sets the temperature for all 3 zones (together or separately, but from one location), with auxiliary sensors in the other 2 zones, which would independently turn on/off the pumps for those zones. In this article, I’ll go into more detail about how to add a second Ecobee thermostat to your existing account, along with some of the benefits of having two thermostats in your home. However, occasionally, homeowners may wonder if it is possible to control one furnace using multiple thermostats. Nov 18, 2007 · The house still has 20 year old mercury thermostats. In this case you could connect the W's together for one thermostat to control both. But the units are made for site specific custom temps to save money. Dec 13, 2017 · Would like to combine some smaller zones and see how : (1) to control 2 zones by one thermostat; and (2) to control 3 zones by one thermostat. If you have two thermostats in your home (one upstairs and another downstairs, for example) then you can use multizone smart thermostats – like Hive Multizone – and control the heating for each area easily, all from your smartphone. Mar 5, 2024 · A thermostat is the brains behind an HVAC system, regulating the temperature of a building by controlling the operation of heating and cooling equipment. Ecobee 3 and Ecobee 4 thermostats are capable of controlling up to 32 multiple zones remote sensors accurately. Dampers or equipment? When you adjust a Sep 20, 2023 · Each zone of the house can be turned down or closed off to save energy. They can be wired to multiple baseboard heaters, allowing you to set different temperatures for different rooms. Please share with me how they instructed you to wire. It uses a combination of sensors, remote controls, and algorithms to determine the temperature for each zone. The best thermostat for controlling multiple furnaces is one that is compatible with all the furnaces and has the capacity to handle the combined load. Additionally, ecobee’s Smart May 17, 2025 · Having 2 thermostats with one AC unit can offer more comfort and energy efficiency, especially in homes with varying temperature needs. This system offers enhanced control and comfort by enabling separate temperature settings in various zones. Wired Smart Thermostats can be used to replace the room thermostats, allowing tado° to control the zones individually. Which means that one ac unit is generally running to cool both zones. With HVAC zoning, you can transform your home into multiple comfort zones, each tailored to your preferences. Once the thermostat is in place, proceed to run a wire from it to the zone control box. As homeowners seek to optimize their energy consumption and enhance their living spaces, a common question arises: “Can Nest Thermostat control multiple zones?” This comprehensive guide will delve into the capabilities of the Nest Thermostat and explore its potential for multi-zone control. If you have noticed that there are issues with the airflow in one of the zones, then failed dampers might be to blame. The LZP-2 zoning system divides your home into two separate climate-controlled zones. I bought a taco zone valve controller. This can happen even you have set thermostat on auto - edge case though. Saves energy and money The most apparent advantage of a dual-zone thermostat is the reduction in unnecessary usage of the air conditioner. Can You Have Two Thermostats on One Zone HVAC Many homeowners want to control the temperature better in their homes. can more than one wyze thermostat work together. How do multizone heating control systems work? There are a couple of ways to create zoned heating systems. In the summer the upstairs gets t Jul 7, 2025 · Contact your local Aire Serv ® to learn more about your zone heating options. So if we set the basement to be 70 for example, upstairs would be a lot more than 70 and the upstairs thermostat can't control the upstairs temperature at all. So, if your upstairs thermostat is calling for heating and your downstairs thermostat is off, the zoning board will turn on the heater open the damper for your upstairs ductwork but leave the downstairs Thermostats play a crucial role in regulating the temperature in our homes, ensuring comfort and energy efficiency. You would need the air Some homes have only one zone of control for the whole house. The Nest Thermostat also has an app that allows users to adjust the temperature remotely and set schedules to automate how the zones are heated and cooled. Best case I can use a remote controller and the downstairs ecobee thermostat (with remote sensors) to trigger the upstairs zone (Zone 2). Two zones are down stairs and one zone is upstairs which i set to fairly different temperatures. Mar 27, 2021 · How can we use multiple temperature sensors or thermostats to control a single heating or cooling zone in a building? You may not be able to wire two thermostats exactly in parallel, but using multiple wall thermostats or temperature sensors to control one individual heating or cooling zone is easier than you might think. Jun 18, 2025 · What Does “Two Thermostats, One AC Unit” Mean? Homeowners considering two thermostats connected to a single AC unit are looking for more precise temperature control in different areas of their home. Oct 24, 2024 · Unless you have a simple, small home, you probably want more than one thermostat to control the heating and cooling. The thermostats are Honeywells part # TH4110D1007. My question is how can i rewire it to work? And can i use 1 smart thermostat with room sensors for convenience or do i need a second thermostat? (I would get another ecobee and pair them in 1 app for convenience). Aug 31, 2022 · So, how different are they? A dual zone HVAC system has one condenser unit and a single furnace/air handle but with several thermostats and dampers. Our new-to-us house is 2 stories, has 2 thermostats (1 downstairs, 1 upstairs), but only 1 a/c unit. Can the system really control 2 different house levels to 2 different temperatures? You want multiple zones on a single furnace. I’m currently in the planning stage of a radiant heat system with multiple zones. But what if your home has multiple zones that require independent temperature regulation? Can one Nest thermostat handle the task of controlling two zones simultaneously? This blog post will delve into the intricacies of Nest thermostats and uncover the Dec 10, 2024 · Do you dream of having individual control over the climate in different rooms, all while keeping your energy bills in check? The answer to these desires lies in the realm of multi-zone heating and cooling systems, and the crucial question: can one thermostat control multiple zones? The good news is, the answer is a resounding yes! Jul 21, 2025 · In most cases, you can easily install a Nest multizone thermostat to control a single zone in your multi-zone system or even install multiple Nest thermostats in different zones. Dec 17, 2021 · Or out one wall and back in another. I wanted to install a thermostat on the second floor to control the zone and leave the one on the first floor. And use the remote sensor to tell the boiler to turn on when Yeah, the upstairs thermostat doesn't work at all, the basement thermostat is the only one that works and is controlling both the basement and upstairs. Has anyone done this before Assuming your system is already using a good zone controller and you have a regular thermostat at each zone with a "C" power wire, just pick any three identical replacement thermostats. Since installing a high-efficiency gas boiler, the house takes longer than previously to Aug 26, 2022 · A dual-zone AC is an investment and, of course, finding out that the cooling is not working in one of the zones can be devastating. In this article, we will explore whether or not it is feasible to have two thermostats controlling a single furnace. Dual-zone HVAC systems work by using two separate thermostats to control different temperatures in distinct areas of a building simultaneously. (splitting the zone is very expensive) I have a hydronic monoflow system. One question many homeowners ask is whether they can run two thermostats with one furnace. To achieve this you need more than an additional thermostat - you need electronically controlled baffles in your heating system. While I am away, I set the thermostat in each of these zones to 55°F. I hope that made sense. May 17, 2025 · The concept of controlling one AC unit with two thermostats centers on dividing your home into separate areas, or zones, to manage comfort more precisely. Dec 5, 2024 · The Nest Thermostat E with remote sensors provides temperature monitoring and balancing, while the Nest Learning Thermostat with Zone Control offers true multi-zone control. Nov 25, 2019 · When you purchase the new Ecobee 4 thermostat, you will be provided with one sensor. This is a 2 system. Additionally, the app can provide energy-saving tips Nov 30, 2022 · In principle, it is possible for two thermostats to utilize the same HVAC system and control one zone and the centralized air conditioning. Find out the difference between zoned and multistage systems and how to sync multiple thermostats. Having two thermostats wired to the same HVAC unit allows you to evenly condition your home. The thermostat is located downstairs. I have a 2 zone by pioneer and there is no way to connect 2 zones to one thermostat, but there is a pretty easy way to just program the included control to keep each zone a certain temp. They can be installed near the air handler, but it could also be in a nearby closet so it can be monitored or adjusted without going in the attic. So, if your upstairs thermostat is calling for heating and your downstairs thermostat is off, the zoning board will turn on the heater open the damper for your upstairs ductwork but leave the downstairs Aug 11, 2022 · By adding multiple thermostats in your home different zones can be defined and you can manage the temperature of the zones without affecting the overall temperature settings. Doing so may mitigate the short cycling a bit. Each thermostat is capable of controlling both heating and cooling, so you can control multiple zones in your home with a single unit. To do so, follow a step-by-step guide, choose the right thermostat for each zone, balance temperature, and troubleshoot common issues. Then each thermostat's W connection goes to its own valve. When multiple thermostats control one system, the house is divided into zones using dampers in the ductwork throughout the house. By any chance, is it possible to model multiple thermal zones using only one HVAC system? if yes I have some problems and will appreciate if someone can address them: 1. Each zone has its own You will have two zones (one ecobee each) to control independently. ), heat or heat and AC, and unfortunately how many wires they have in the walls to the system (s). For example, when one zone needs heating, that zone’s valves open, guiding the hot water to the radiators or in-floor pipes in that area of the home. fhxyuqszachzsgadfnnczyahrvhujscndbrwwfxlaffjgmucpxxuzmq