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Old 10-24-2010, 08:27 PM   #1
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Thermostat placement


Should thermostat for furnace be on wall directly above cold air duct? If not, where should thermostat be placed in a 14 x 22 room with cathedral ceiling with two cold air ducts on inside wall floor?
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Old 10-24-2010, 08:49 PM   #2
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Thermostat placement


On the wall that gets the least drafts. That means no fireplace, no cold air returns, no ducts, just a blank wall. That is why the majority of the times, you see thermostats in a hallway on the longest wall between bedrooms.

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Old 10-24-2010, 10:25 PM   #3
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Thermostat placement


Thermostats are generally installed near the return grille about 60 inches off the floor.
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Old 10-25-2010, 07:42 AM   #4
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Thermostat placement


I have never seen a thermostat near the return grill in all of my life. Mine is no where near one, same with both of my parent's places.
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Old 10-25-2010, 08:54 AM   #5
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Thermostat placement


On an interior wall away from artificial heat sources (TV, stereo, lamp, direct sunlight etc.) away from drafts and doorways and placed approx. 5' from floor. Placement near a return grill is okay because it will get a close to average room temp, *if the return grill is placed properly in relationship to the supply register*

It's best to have the thermostat in a room that is used frequently, otherwise you are defeating the purpose of the thermostat.
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Old 10-25-2010, 01:11 PM   #6
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Thermostat placement


In my opinion, locating it in the most used room, defeats the purpose in creating comfort across the whole house. That will cause that room to either be too warm, or too cool for the rest of the house. Placing it in a common area, such as the hallway is the best solution, or even going with zones is a even better solution.

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