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Originally Posted by Twitchy15
Our furnace is 31 years old. It’s working but had a few issues lately with blower not activating and furnace is heating up and we smell smoke and a buzzing. Turning off furnace and electricity it was fine after.
Our house is crazy dry yesterday 15-18%. We have a side split with the main floor fairly cool compared to upstairs. We were looking to get a two stage with humidifier but also some other fixes adding cold airs etc. Our furnace is oversized they said 125,000 btu and they recommended a 60,000 for newer high efficiency. Heat comes on crazy hot then off and gets cold then hot ..
Also live in north
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Do you adjust your floor vents seasonally?
In the winter, you should close (or minimize) the upstairs vents, if open fully, the upstairs will get much hotter since the thermostat is usually on the main floor, and heat rises, so the upstairs is getting heated from the lower floor and the open vents.
In the summer, if you have AC, the same thing is happening-heat rises, but this time you need the the vents open more on the upstairs so the cool air can work where needed most. Even without AC this can help, if you run the furnace fan, you can circulate the air from lower floors to the upper, just minimize the lower vents to maximize air flow to the upper floor.
If you play with them, you can adjust the bedrooms to individual comfort as well.