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5

You want to get that corrected. Plate heat exchangers like the one you have can be used in two arrangements: parallel flow (co-current): both inlets on one end, outlets on the other, which is what you have at present, counterflow (counter-current): one inlet on each end (what you are supposed to have) Cruithne9, CC BY-SA 4.0, via Wikimedia Commons The rate ...


3

If heat loss, and the associated amount of fuel required to add heat to the house to compensate for that loss, is the only concern then yes allowing the house temperature to track the outdoor conditions is most economical. Heat loss is proportional to the difference in temperature between indoors and outdoors. If the indoor temperature is held constant even ...


2

it ended up being a faulty circuit board. There was insulation that was making contact with the board and when the insulation got wet, it shorted out the board. I cut some insulation away and waterproofed around the circuit board and haven't had an issue since


2

I have been dealing with the issue of blowing the 3 amp fuse in my central heater. I replaced the thermostat over summer and have only been using the A/C until recently. The weather has cooled and I wanted to use the heater, but the fuse blew. I started trying to figure out what was wrong and went through 5 fuses. I figured the only that had changed was the ...


2

Is your question academic or specific to your home? For general & academics, there is a good discussion in a previous question linked in the comments by Isherwood: Why is turning down the heat during day and night considered more efficient? If you are asking specific for your home, the best way is A/B split testing (as also @FreeMan suggests). Over a ...


1

In almost all cases it's more economical to allow your house to be closer to the outdoor temperature for as long as possible. At night or not at night, every degree and every hour of reduced differential reduces your bill. Re-establishing temperature later will not cost more, it will cost less because you lost less energy during the period of reduced ...


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