For general questions regarding cooling your home.

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1answer
12 views

Wall air conditioner not operating with outlet

I recently bought a Haier 12000 btu wall ac unit. When plugged into the wall outlet a 15A 125V, the unit turns on for a few second then cuts off with the units display lights flashing. This unit doesn'...
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1answer
38 views

Can you vent a portable AC's exhaust through the chimney?

The place I live doesn't have sliding windows so I thought maybe I could vent the hot air from the portable AC through the chimney? The chimney belongs to the fireplace that I don't use. (I've not ...
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3answers
27 views

Portable air-conditioning system output problem

I have just bought a potable air-conditioning system for my kitchen. However, after I bought the air-conditioner just realised I need to put the output pipe to the outside. My kitchen doesn’t have any ...
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1answer
30 views

Blower shut off but the AC unit ran for 20-30 minutes afterward

Last night I turned my AC down a couple degrees before going to bed. The AC was running at the time, so when I set the temp below the current temp, the blower turned off. After getting in bed, however,...
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2answers
88 views
+50

Is it OK to have an air conditioning vent above a kitchen cabinet?

We're getting proposals to add central air conditioning to our house. We currently have no ductwork so adding ducts and vents is part of the project. One possible duct location is on the ceiling over ...
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0answers
39 views

How can I vent a portable AC unit in a basement with no windows?

I'm thinking of putting a portable AC unit in my basement without any vents or windows; just a long stairs into it. It's a great underground storm shelter; and it's normally pretty cool. But, this ...
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1answer
25 views

air conditioner pipe pvc glue

I recently bought a new air condition. The guy who came to install it in my bedroom used PVC glue to joint two pipes the one of the air condition with the outside one(instead he could use something ...
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6answers
56k 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 ...
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1answer
24 views

Aircon (aspen pump) condensation

I have a split system air conditioner that has been installed. Is running fine. However the ASPEN pump does not work. I was wondering if anyone knows how to wire them or has done before.
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5answers
2k views

How long does it take to make money back on a new air conditioner?

I have a townhouse built in 1975 with an air conditioner on the roof. I have no idea how old it is but I can imagine it is on it's last legs. What's more, this last month's energy bill was one of our ...
2
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2answers
49 views

Can I replace my furnace's high limit switch with a comparable third-party part?

I have an older Lennox furnace. The high limit switch (#60T15,130F) has gone bad. I haven't been able to find on-line this part number with the exact temp limit specs, and Lennox no longer carries ...
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2answers
24 views

Are BTU's only calculated using square feet?

I'm building a 16'x20' storage building with a barn roof, so it's pretty much a 2 story area. Will I calculate the BTU's using 320 sq.ft. for my window unit?
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2answers
27 views

Zoned thermostat in every bedroom

I am getting a new AC and coils new use old one died This is for second floor where we have 4 bedrooms Question Is it possible to have thermostat in every bedroom Is it allowed under code ? What ...
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3answers
342 views

Breaker lets more Amps then its max

The last few day's I had the main breaker triped a few times, I checked the amps with a multimeter and when the central air conditioner turns on it draws 150! amps for 1 second and then goes down to ...
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6answers
46k 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 ...
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1answer
26 views

Portable Indoor Airconditioner not cooling — let's discuss possible reasons (and solutions)

I have a portable indoor airconditioner (LG LP1311BXR 13,000 BTU). I bought it refurbished from Walmart 2 years ago. It worked beautifully until recently. Symptoms: The fan, compressor seem to be ...
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1answer
18 views

Is there a significant risk of CO2 buildup with a ductless heat pump A/C?

It just occurred to me that if I install a ductless heat pump to cool the air in my house's bedrooms in the summer, the unit will be cooling and dehumidifying the air - but not introducing any new ...
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1answer
2k views

AC Blower running very slowly

I have a Ducane heat pump. When running in AC Mode, the outdoor fan and compressor kick off just fine. The blower fan seems to kick off as well, though it's not putting out very much air. I can ...
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2answers
17k views

Can I run a central air conditioner in the winter?

What happens if you run a central air conditioner when it's below freezing outside? Is this expected to work? I know, it sounds crazy, but that's because you don't live in an overheated New York ...
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0answers
41 views

Air conditioner icing up; diagnostic questions

BACKGROUND AC filter was replaced (1PM) and afternoon temperatures exceeded 83 degrees (target temp). Afternoon temperatures climbed despite the AC being on 5 hours straight (4-9PM). ...
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0answers
19 views

How to choose a good brand of heat pump? [closed]

I'm going to be installing a couple of heat pumps in my house mainly for cooling in the summer (I'm in the UK, and our summers are getting hotter). As far as I can tell there are several major ...
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1answer
50 views

In an old NYC apartment building built in the 50s. Would wires catch on fire if using a high powered AC?

I live in an old NYC apartment built in the 50s. I currently use a 1500-2000 watt portable AC unit and I feel the power cables are very hot during use. I'm afraid of the wires catching on fire in ...
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1answer
19 views

What is required to recharge refrigerant in a built in ICE CAP Air conditioner that cannot be moved?

My apartment has a built in air conditioner unit. The brand is ICE CAP and it doesn't look like there is any way to remove it as its built into the cabinet frame that has an external exhaust outside. ...
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0answers
10 views

Troubleshoot air conditioner that may have fixed itself

I've had some trouble with my air conditioner, and I'm trying to troubleshoot it. Here's what I've got: The air conditioner was not blowing cold air. The air was cooler than the outside air, but ...
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0answers
21 views

Adding a “C” wire to an A/C unit with no circuit board [duplicate]

I have an old thermostat with only 4 wires and no "C" wire or Comm wire. I started fresh and bought 18/5 wire and wired everything up to my old thermostat still leaving out the C wire.Everything is ...
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1answer
21 views

Interior vs. exterior A/C insulation

I recently got a new central a/c system with ducts included. PROBLEM: The ducts had interior insulation that gave off maple syrup odor. The contractor replaced the ducts with more interior insulation,...
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1answer
39 views

Is it necessary to replace a furnace when replacing the air conditioner?

When replacing a central Air Conditioner is it also necessary to replace the furnace,which is part of a forced air system. Thanks
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1answer
213 views

How to install a 4-wire a/c & fan thermostat with only 3 wires

My home currently has a central a/c unit which is controlled from an 3-wire old mercury switch thermostat. I want to replace it with a newer Honeywell that requires 4 wires. The existing thermostat ...
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1answer
39 views

What is the best position to put my Air Conditioner?

I have a problem. I have no idea where I should put the air conditioner to maximize it's effect. Here's a floor plan: I'd love if the AC could cool down the whole floor, but that's not going to be ...
0
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1answer
28 views

Extend dryer termination away from condensing unit

How can I extend my dryer's exhaust vent away from my A.C. condensing unit using the existing outlet? It currently looks like the picture below. I don't know if the vent going through the wall is ...
0
votes
2answers
49 views

Why is my A/C drain line not draining at all?

I have a unit that is installed in the attic and is about 10 years old. My problem is I normally have to go up and empty the drain pan every month or so, but lately it's been every 3 days. I have ...
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2answers
39 views

AC tripping power breaker

My central AC is dripping power breaker What I have checked Filters are clean I cleaned outside unit with water I put in a new capacitor It cools fine it just trips middle of night like 4am
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0answers
15 views

Central Air Conditioner coil cleaner

What is the best way to clean Air Conditioner could I bought two cans of web cool cleaner foamy thing http://m.homedepot.com/p/14-oz-Condenser-Coil-Cleaner-WCOIL/100351663 So I ended up using two ...
0
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1answer
41 views

How to wire A/C Thermostat given different wiring conventions

I've just moved to a new apartment in which I'd like to replace the current central A/C thermostat with a new one with WIFI control. I hope it's possible! I have basic diy electric skills but no ...
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1answer
24 views

How can I install an air conditioner in a window with a very deep exterior ledge?

Our NYC apartment building has very deep exterior ledges, extending around a foot beyond the window, but 2-3" below the window frame, so a window AC can't rest flat on it. How do we appropriately ...
0
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1answer
33 views

AC Coil Corrosion?

I looked at my outdoor AC unit yesterday and it looks like the coils are starting to deteriorate. I looked online and it looks like it's some kind of corrosion. Is this fixable at this point? Or is ...
4
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2answers
105 views

How can I check the refrigerant level in my air conditioner?

What kind of device do I need to check the refrigerant level in my home AC? Can I buy something like Mountain MTN8205 R134a Brass Manifold Gauge Set With Couplers? Please suggest if I am on the ...
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1answer
11k views

Air conditioner that keeps turning off

My air conditioner unit outside keeps on turning off and the fan in the house keeps on running. When I switch the circuit breaker off, then on the outside unit works again. Do you know what might ...
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1answer
43 views

Why might a thermostat refuse to switch from Heat mode to Cool mode?

I have this Honeywell RTHL2410C programmable thermostat and typical Florida electric AC system. Starting this Spring, it has started behaving strangely when switching from Heat to Cool mode. The ...
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0answers
205 views

Yellow wire connected to C terminal, blue wire connected to Y terminal at furnace

I'm trying to install a new smart thermostat the requires a C wire. My old thermostat operated on batteries. The pre-existing wiring system of the old thermostat looked normal (ie. red wire to Rc, ...
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2answers
9k views

How do I replace a condenser fan motor in a central air unit?

The condenser fan motor on my central air unit has seized up (tried like crazy to turn it it, but no go). I'm not sure how old the motor is but I'm guessing it's original, so about 12 years old. I ...
0
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1answer
62 views

How to install a window ac in a room with improper window provision

I have a window ac that I used it earlier. Recently shifted my premises and my bed room has a window with two wood doors that open oppositely and a lengthy wood stick in the middle. Window is ...
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1answer
1k views

Inverter air-conditioning units or non-inverter air-conditioning units?

I want to purchase new 8-9 units of air-conditioning for my new house. For the hall, kitchen and all the bedrooms. Some people say inverter air-conditioning is only suitable if you are using more ...
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vote
1answer
199 views

Can I use a portable air conditioner with a casement window?

My apartment has windows like this, where they rotate out upon a vertical hinge. I live in Seattle, so I can't rely on an evaporative A/C unit because the humidity is too high. And all the portable ...
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2answers
39 views

My split A/C unit doesn't drain much water

My split A/C unit used to drain much water when it was new. Now, the unit drains much less water than before. I checked the drain line and it isn't clogged. Also, the cooling efficiency is slightly ...
1
vote
1answer
1k views

Can I replace this Airwell thermostat?

I am in market to replace my simple A/C control unit with one that integrates with home my z-wave based home automation system. However, before I make the splash and buy a compatible thermostat, I ...
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2answers
45 views

A/C unit cycles on and off

My outside compressor / condenser is cycling on and off, even though the thermostat is calling for A/C. The blower in the house still runs, and the thermostat is working properly. ( I opened up the ...
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3answers
2k views

Leaking portable air conditioner

We have a portable air conditioner that we used pretty heavily over the weekend. When I woke up this morning, it has leaked water all over the living room floor. Any ideas of why? Thanks!
0
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1answer
45 views

My Air conditioner suddenly became defective after a power outage

So, these are the symptoms: 1] The big fan outside is taking a lot longer to start. 2] Within 2 minutes of start-up and cooling, it makes a growling/ rattling sound and 3] The power switch to start ...
0
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1answer
43 views

Can AC fan or motor be upgraded?

My AC blows cold air, so I assume my compressor outside works OK. Please correct if that's an incorrect assumption. The problem is, there is very little cold airflow that comes out of the floor ducts....