Tagged Questions
2
votes
2answers
803 views
Why is my A/C unit running when the heater runs?
So it finally got cold here in AZ. We switched our thermostat from A/C to Heat. Now for some reason when the electric heater runs, the A/C condenser unit outside kicks on too. This is our first winter ...
1
vote
2answers
354 views
Is there a filter-reminder thermostat that uses run-time instead of total time?
My HVAC filter is in my crawlspace and is a hassle to change. I don't want to change it more than needed. "Change it every month" is bogus advice because in some months (like May) we don't have to run ...
3
votes
2answers
887 views
Is there a through-the-wall A/C that works with external thermostats?
Our two-story A-frame house only has duct-work downstairs in the crawl-space, with vents in the floor. It gets quite hot upstairs during the summer, but because the square footage of the upper floor ...
2
votes
1answer
135 views
When I set the thermostat to X degrees, is that the temperature at which air is pushed out through the vents?
My hunch is that most ac units aren't that sophisticated, and they just pump air that is "cold enough" or "hot enough" and pump it until temperature rises to the specified value. Is that right?
13
votes
4answers
4k views
Why don't programmable thermostats automatically switch between “Cool” and “Heat”?
While I can set my house to be a particular temperature, I still have to manually switch it between "Heat" and "Cool" mode, and this seems to be true of every thermostat (programmable or not) that ...
3
votes
3answers
2k views
Why won't my AC system turn off after I flipped the breaker?
We've got a central cooling air conditioner that was installed in 1984 with a thermostat from that same year. We are replacing the thermostat with a new programmable one (which has a 100% ...
