How do I set up multiple thermostats?

Quote from the video:
Quote from Youtube video: You're going to want to set your upstairs thermostat a couple degrees warmer. Than your downstairs thermostat. For example if the target temperature you want to keep your house out with 75 degrees.

Can I wire 2 thermostats together?





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. This article series explains how to control heating and cooling controls in buildings.

Can you wire 2 thermostats on one furnace?

Yes, in principle, you can use two thermostats to control one HVAC zone. If correctly installed, set, and used you can actually save on your electricity bill. You can also connect more than one thermostat to a single HVAC unit.

How do I add a second thermostat to my house?

How to add another thermostat to your HVAC system

  1. Step 1 – plan with a diagram. …
  2. Step 2 – determine the place for the damper and measure duct. …
  3. Step 3 – cut a hole in the duct and insert damper. …
  4. Step 4 – wiring to control box/panel. …
  5. Step 5 – mount the second thermostat.


How do multiple thermostats work?





When multiple thermostats control one system, the house is divided into zones using dampers in the ductwork throughout the house. When one zone needs heating or cooling, the damper for the ductwork in that zone opens, guiding the warm or cool air to that zone.

Can I have a thermostat in each room?

Add-on rooms are also notorious for getting less heat and conditioned air than the other rooms. A room by room zoning system lets you divide your home into different zones, each with its individual thermostat, and places control of heating and cooling the different parts of your home in your hands. Easy to Manage.

How do I create a multiple heating zone?

Homeowners with forced hot air heating systems also can create multiple zones by using two or more thermostats connected to a master control panel; the control panel opens and closes dampers that are installed within the ductwork.

Do I need 2 thermostats for 2 zones?

If you currently have two thermostats controlling two zones you will want two Nest thermostats. You do not need to upgrade them both at the same time.

What happens if you wire a thermostat wrong?



Potential consequences of improper installation could include: Electric shock. Blowing a circuit breaker. Damaging the thermostat unit, the electrical system or even the AC/furnace unit itself.

Can I add a thermostat downstairs?

No, you will need to have the an HVAC tech come and install a thermostat both upstairs and downstairs. Most of the AC units have multistage and can do this with no problem. I speak from experience as I had to have this done in my last home.

How do two Nest thermostats work together?

Nest thermostats in the same home don’t share temperature schedules. Each Nest thermostat learns a separate schedule for the zone that it controls. So you can teach your thermostat downstairs to warm up the kitchen in time for breakfast, while the thermostat upstairs turns down for the day.

Can one thermostat control multiple zones?



With a smart thermostat for multiple zones, you can set up multiple different zones around your house. Following that, you can use your smartphone app or remote control to set different temperatures for all different rooms. That means everyone can have their way and no one needs to compromise.

Do you need a thermostat for each zone?

Employing a modern-day zone heating and cooling system in your home requires an upgrade to smart home gadgets. If you have a traditional thermostat that doesn’t support the use of temperature sensors, you will need a thermostat in each room and potentially, multiple heating and cooling systems.

How does a 3 zone HVAC system work?

A zoned HVAC system divides your home into multiple zones, each controlled by its own thermostat. This allows you to set each room to the ideal temperature for you, instead of having to heat or cool the entire home to just one temperature.

Can you have 2 zones with one AC unit?

With a zoned system, one unit provides heating and cooling to multiple areas of your home. In a dual-unit system, you have two totally separate units that each operate a single zone with separate, unconnected thermostats.

Can you use the same ducts for heating and cooling?



One of the main ways that homeowners can consolidate ductwork is by switching to a central HVAC system. With a central air conditioner, you get cooling in the summer months, heat in the winter, and all with the same use of your existing ductwork. This reuse is a great way to cut down on installation costs as well.

How do I add a second zone to my HVAC?

Adding zones when you have standard HVAC equipment

  1. Installing dampers inside your ducts is the most common way to add zones to an existing system. …
  2. To deal with the excess air produced by your HVAC equipment, you’ll probably need a bypass duct that connects your supply air to your return plenum.

Can I add a second thermostat upstairs?

A zoned system is simply a single air conditioning/heating unit that uses two thermostats and dampers within the actual duct work. In my case, one thermostat could be located on the first floor; the second thermostat could be installed on the second floor.

Is HVAC zoning worth it?

Zoning can be useful in almost any situation, but it’s especially helpful in homes that have unique heating and cooling challenges. For instance, it’s often difficult for central HVAC systems to effectively manage multi-story homes. Upper levels may become too warm while lower levels stay too cold.