1
vote
0answers
41 views

Will a single ductless mini-split heat pump be able to distribute its air evenly throughout my ranch house?

I am in the middle of a deep energy retrofit of my house, and a quick-and-dirty online manual J calculation of the projected loads once my projects are completed shows an estimated heating and cooling ...
0
votes
0answers
38 views

Are wall air vents a potential problem?

A house I'm looking at has A/C vents in the walls, rather than in the ceiling or floor. I've never lived in a house with air ducts in the walls. Can I expect to have problems? The house was built in ...
0
votes
2answers
50 views

Heat pump vs gas efficiency and comfort [closed]

I'm looking for a house to buy in the South Carolina low country, where average lows in January get down to just under 40 deg F and highs in the summer get to just over 90 deg F. The houses in that ...
0
votes
2answers
38 views

How often should heat strip turn on for a heat pump unit?

I have noticed my heating bill is higher than my cooling bill now that I have installed a Heat Pump. I am trying to find a way to reduce this winter cost but am not sure how often electrical heat ...
0
votes
1answer
96 views

why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5?

Here is a link to the wiring diagram for my heat pump. The thermostat that I am planning on buying has the following terminals C, G, Y, O/B, RC, R, Aux, E, and L. The instructions say to jump the RC ...
2
votes
2answers
57 views

Is it normal for actual temperature to be below target temperature during cold weather?

I live in North Florida and the temperature seems to drop into the 30's maybe 10-15 days out of the year and the 20's maybe 2-5 times a year. We had a few days where the highs were in the 30's this ...
0
votes
1answer
103 views

Why does the blower in the attic vibrate during heating when it is really cold?

We have a Carrier heat pump system in our home, and the blower is located in the attic. When it is especially cold, the blower runs on high (there are three levels: high, medium, low). During this ...
1
vote
1answer
172 views

Replacing Oil Furnace with Heat Pump

My wife and I would like to remove the older oil heat from our home and replace it with a heat pump. We currently have an Amana central air conditioning unit (3 ton), and an oil furnace in the ...
1
vote
1answer
870 views

Can I replace an air exchanger with a heat pump?

In my basement I have a rather large Air Exchanger: I have heard that if I install a heat pump I may be able to replace the air exchange. This gives me two benefits that I can see: The Heat Pump ...
0
votes
2answers
523 views

Does reverse-cycle airconditioning in heating mode dry the air?

I understand that when cooling, an AC unit condenses water vapour from the room, and results in dehumidified or drier air than outside. When in heating mode, I would expect this not to happen, as the ...
2
votes
0answers
236 views

Why won't my condenser turn on when I run my heat pump?

I have a York Affinity condenser. When I run my heat pump, I expect it to turn on somewhere in the cycle but it doesn't. It generally does this once a year. The usual fix is to cycle the power of the ...