Advice on purchasing new thermostat 4 Months, 2 Weeks ago
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Greetings. I currently have 2 gas furnaces (1 upstairs, 1 down) and the same for a/c units. I am looking to buy a new thermostat for each (currently they are the old mercury type) but after looking on some websites, I see you can buy 3 heat/2 cool stage units or 1 heat/1 cool units. Any easy way to know if I have a multi-stage unit vs single stage?
Re:Advice on purchasing new thermostat 4 Months, 1 Week ago
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If it was electic heat with 20kw of heat and you did not want all 20 kw coming on, you could split it up to have 10kw come on first , it the tstat did not satisfy within a prescribed time the other 10 k would come on, with gas units ,some valves can be dual and you have low fire and high fire which would work basicly the same
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