Questions tagged [air-conditioning]

For general questions regarding cooling your home.

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3
votes
1answer
234 views

Improve AC flow to secondary ducts

I have an AC which has 3 ducts coming out of it. Only one duct gets flow - I'm guessing the AC fan blows right into it. What can I do to improve the flow?
8
votes
2answers
11k views

How do I install a jump duct?

Our master bedroom is considerably warmer than the living/dining/kitchen area of our house, and we've been setting the thermostat quite lower than we'd like in order for the bedroom to get cool enough ...
12
votes
5answers
23k views

How can I calculate how large an airconditioner my house needs?

I know there are a lot of possible factors that go into determining the size of the air-conditioning system a house needs. Is there a standard way of calculating what is needed, or do A/C companies ...
5
votes
3answers
173 views

Geothermal Resources

I am very interested in learning more about Geothermal solutions for my house. What are the best resources for learning about and planning a Geothermal systems for a residential house? Also, does ...
9
votes
5answers
110k views

How much cooling can I expect from a central air conditioner?

Yesterday's high was 106.0F, low of 79.2F, full sun all day. AC set at 78F, indoor temperature reached about 85F. Today's high was 105.4F, low of 81.1F, full sun all day, now about 102 at 7pm. AC ...
9
votes
6answers
117k views

How often should I run a bleach and water solution through condensate lines?

How often do you need to run a bleach and water solution through the condensate drain lines (of a heat pump) to keep the bacteria away? What are the recommended parts (e.g. 1 part bleach, 10 part ...
5
votes
2answers
4k views

Can I use a swamp cooler to cool an AC unit's condenser?

Swamp coolers work great and use a fraction of the electricity of an air conditioner in a dry climate with little humidity (like Phoenix) but there are downsides like mold and, well, everything feels ...
9
votes
5answers
111k views

What are the recommended settings for a dual-zone air conditioning unit?

What are the recommended settings for an air conditioning unit that is dual-zone? Meaning, if I have a house that is two stories I know that in Florida they recommend you keep it at 78 F in the summer ...
6
votes
7answers
5k views

Should I apply car wax to the outside of my air conditioning unit?

Through different conversations with family members and friends, I have been told that it is good to apply a coat of car wax to the outside of the air conditioning unit frame. I assume that this is to ...
5
votes
1answer
8k views

two condensate drains?

we just had a new AC system installed in my florida house. the unit is in the garage, and the air handler is vertical with the evaporator on top. the unit he removed had 2 condensate lines: one that ...
9
votes
6answers
2k views

What type of regular maintenance should I be doing on my central air conditioning unit?

I have not done any maintenance on my central air conditioning system since I bought my house five years ago. Everything seems to be running fine but is there some sort of maintenance I should be ...
18
votes
10answers
30k views

Do thermostat-controlled, auto-adjust HVAC vents exist?

The residential forced-air HVAC systems I have seen are controlled by a single thermostat in one room. One has to manually adjust the vents in order to adjust the temperature in other rooms. Is ...
3
votes
2answers
8k views

Should my evaporator be hissing? Should cold air be blowing from it?

My A/C hasn't been able to keep up with the heat lately (it's been in the high 90's with high humidity, and today the house was up to about 82 inside even though it's set on 70). I went up into the ...
3
votes
1answer
1k views

What is the life expectancy of an air conditioning unit with a booster?

Over the weekend my wife and I lost our air conditioning. I called a technician out to the house and he replaced both the fan motor and the capacitor. He also had to install a booster to help get my ...
8
votes
5answers
540 views

Is air conditioner installation a DIY project?

We got a bargain on a brand new 6.2kw Split System Inverter Air Conditioner. The quotes we've received for installation are almost as much as the unit cost itself. Is this something I should be ...

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