Tagged Questions
1
vote
2answers
58 views
Should I insulate air conditioner coolant pipes?
I recently replaced some rotted insulation on the coolant pipe that runs out of my AC unit and into the evaporator in my house. When cleaning inside the actual AC unit itself I noticed that the ...
0
votes
2answers
111 views
What could be causing this leaky evaporator problem?
My apologizes if I do not know the correct terminology for some of the parts. I will try my best though.
We have a Trane A/C system that is causing us a headache. It is causing water damage in our ...
1
vote
1answer
537 views
What could be causing an A/C blower motor to turn off randomly?
The Blower motor on my AC unit turns off at random times while the outside unit continues to run which is causing the coil to freeze up. The blower won't come on for 30-45 minutes after the AC has ...
0
votes
0answers
304 views
A/C system reports Limit Switch Stuck Open
Unit is a York GM9S080B12UP11G.
When switching thermostat to cool, the system activates the compressor fan. Also, I can hear gases moving through the pipes running to the compressor. However, the ...
1
vote
1answer
621 views
Why is my outdoor air conditioner unit making a screeching/squeeling sound?
During the winter time when I have my heat on, my outdoor air conditioner unit randomly makes this awful-sounding squealing/screeching sound. It lasts for about 15-30 seconds at a time, stops, and ...
5
votes
1answer
2k views
What's the most common cause of AC coolant lines freezing?
I noticed my house wasn't getting under 75°F this weekend when I had the thermostat set for 70°F. Since I'd done a lot of drywall sanding inside recently, my first idea was to replace the filthy air ...
2
votes
1answer
1k views
Air deflectors on floor registers and cooling efficiency
I was once told by an HVAC technician to avoid using air deflectors on floor registers during the summer. The reason was that the last thing you want to do is to direct the heavier, colder air ...
1
vote
1answer
273 views
Furnace Airflow
I have central air. When the furnace comes on, we can feel air coming out of the registers for a few minutes, then the airflow stops. If we turn it off for a few hours, we can turn it on again and get ...
2
votes
2answers
676 views
How do I clean an AC condensate pan?
I have a Ducane HVAC system that started leaking out of the evaporator coil housing. Mine looks like the EU1P. I read that i need to clean out the drip pan.
II tried cleaning it by sucking out the ...
4
votes
2answers
170 views
Are clogs in the AC condensate drain common in Florida?
I have a two year old central A/C unit. Every 2/3 months the unit shuts off.
I called the rep/maintenance company and they have given me the following response:
The cause of the issue is algae ...
3
votes
1answer
190 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?
7
votes
3answers
1k 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 ...
6
votes
7answers
1k 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 ...
4
votes
1answer
350 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 ...
8
votes
2answers
430 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 ...
