Tagged Questions
1
vote
1answer
29 views
What is going on with my central air?
I have a re-occurring issue with my central air. I have changed filters, cleaned all three intake vents and even had a serviceman out on three different occasions (two separate companies). My problem ...
1
vote
2answers
72 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 ...
3
votes
3answers
142 views
How can I repair these rusty electrical connections?
When I turn on my air conditioner at the thermostat the vents kick on but nothing outside. Also the last time that it worked it took a few minutes to get going and was pretty loud. I checked the ...
0
votes
2answers
117 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
579 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 ...
3
votes
1answer
157 views
Is it normal for air to be leaking from where the drain hose connects to the central A/C unit?
I'm trying to determine if I have a leak around my central AC unit. Basically when the unit is on, I feel cool air blowing outside the "furnace plenum" as I believe its called.
If you look at this ...
7
votes
1answer
1k views
Why are almost all of my house's HVAC floor registers placed near exterior windows?
My current house is a single story built over a crawlspace and all the HVAC registers are in the floor. In all of the larger rooms, at least one (and usually more) register was placed near an exterior ...
5
votes
1answer
3k 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 ...
3
votes
4answers
335 views
Air conditioning on a shoestring budget
Without purchasing expensive air-con units, or solar panels - and the associated moutings and electrical paraphernalia, is it possible to create a temperature difference of 10-20 °C using materials ...
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
280 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
685 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 ...
3
votes
1answer
191 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
2k 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
362 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
437 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 ...
