Questions tagged [forced-air]

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Thermostats with or without variable temperature differential (swing)

I am looking at replacing my thermostat, and don't really need or want one with geosync. I am thinking of the honeywell RTH9585wf. Currently I have a lux that is not wifi but programmable. It ...
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What is this brown stain around heat vent?

What is this brown stain around the heat vent in a 1970's home that I recently acquired? Is it rust? This is on a lino floor. It doesn't have a significantly different texture from the surrounding ...
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Bad gas furnace install?

I just got a high efficiency condensing gas furnace installed. I feel like it was done poorly, but I'm not sure. Some questions I'm wondering about are: Do furnaces need to be level? It is visibly ...
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Heating zone not working when other 2 do

I have three zones of forced air/baseboard heating in my house. I had the furnace shut off for the summer and after turning it back on, two zones in the house work and one does not. Any tips on how ...