Questions tagged [cooling]

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2
votes
1answer
24 views

Compressor melted hole in 5+ year old defrost drain pan, is compressor overheating a possible concern

It is quite possible that my defrost drain pan melting was just normal age/wear & tear but I wanted to double check that there is not possibly a larger issue with my compressor running too hot. ...
2
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2answers
42 views

Will replacing windows significantly reduce solar heat gain in summer?

A friend of mine is remodeling his 1980s house and was asking advice about keeping it cooler in the summer. The house currently has the original double pane windows, many of which have "popped&...
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0answers
36 views

Venting a hot garage, how much cooler can it get with an exhaust fan?

I life in Miami and the garage gets very hot in the summer and I am trying to cool it down so I can workout in it. The basics are: I'm looking at this product: iLiving - 10" Wall Mounted Exhaust ...
1
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1answer
26 views

What sort of device plugs in to this outlet?

I am looking to buy a window air conditioner. I would like the get the most powerful air conditioner my electrical system can support. I have this plug on my wall: I have never seen this plug before, ...
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2answers
45 views

can you build a house in a very hot climate with 600mm thick concrete interlocking blocks as walls?

Will thick concrete walls keep the house cooler in a very hot climate? Will have high ceilings to help with air flow.
1
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1answer
44 views

Evaporator Coil Cold, but Not Ice Cold

My temperature difference between my supplies and returns is only around 5 degrees F. I opened up my air handler to see if the evaporator coil was dirty, and it was clean -- but running the outside ...
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2answers
93 views

Is it possible to recharge a dehumidifier

I have an old Santa Fe dehumidifier capable of removing 110 pints of water per day. It has recently stopped working and the company diagnosed it over the phone as being low on R22. But they wouldn't ...
0
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0answers
6 views

Can a High Pressure lockout be caused by a bad unit or problems with heat rejection system?

I have a couple of Trane Axiom High Efficiency Console Water Source Heat Pumps which stop working with what seems to be a high pressure lockout. i.e. the compressor comes on, runs for a few seconds, ...
0
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1answer
29 views

16-year old Trane central AC one package unit is not cooling well?

My central AC is a 16-year old Trane one package unit on the roof top. However, it is not cooling very well. I brought contractors in and it seems that R22 freon is leaking. However, every contractor ...
0
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0answers
17 views

How to disable LG LT1216CER Thermistor

MY air conditioner's compressor keeps turning off before the desired temperature of the room is reached. I was told I could disable that feature by getting rid of the thermistor. Is this a safe ...
0
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1answer
45 views

HVAC blows fuse when cooling kicks on

I have Rheem HVAC system that is about 12-4 years old (its an R22 unit). Today it started blowing the fuse on the board when cooling kicks on. The tstat shows a message that says power failure, then ...
2
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0answers
70 views

Thermostat not getting power (Nest E74)

I replaced an old Honeywell thermostat about a month ago with a Nest thermostat. Friday Nest started displaying an E74 error. I have two furnaces and two outdoor units, one for upstairs and for ...
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2answers
45 views

Is moving a desk upstairs/downstairs for comfort twice a year a sign of poor insulation?

In a side-split on three levels, four including the basement, the heating and cooling unit is almost new (2 years), and the heating/cooling unit was only available at 35% more cubic feet capacity than ...
0
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1answer
57 views

Mr. Cool 24k mini split. Electrical install

I'm getting ready to install a mr. Cool 24k mini split. The Electrical in the instructions is pretty vague. Just want to double-check that I'm correct on how I'm going to install it. Inside my main ...
0
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2answers
52 views

Natural AC, Stream Powered heat exchange

I will keep this short and clear as I can. My home has a creek that runs through it about 20' from the side of the house. It is shaded and quite cool even in the summer heat. If I got say an ...
0
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1answer
88 views

Groundwater cooled heat exchanger - forced air

I have kind of a crazy idea I have been scheming - I live in Alaska, and have a private well - the groundwater here is very cold(40-45F) or so. The last couple of summers have been miserable hot up ...
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0answers
9 views

Bottom of fridge is freezing but top is not

I have a dual door refrigerator with the freezer on the bottom. The last few days, the bottom of the refrigerator, particularly the drawers for produce have been freezing, but the top shelves of the ...
9
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4answers
2k views

Heat dissipating materials for a wall that gets very hot?

The exterior wall adjoining one of our rooms gets a lot of sunlight in summer, and I suspect heats up the room a lot, as the exterior wall continues to radiate heat well after sunset during peak ...
0
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3answers
51 views

Will fiberglass insulation grow mold? (Florida)

Followup to this question one of the comments says that fiberglass can trap moisture and lead to mold/mildew. I did some research myself and found other sources saying the same. This worries me -- ...
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2answers
122 views

Should I COMPRESS fiberglass OR use foam insulation?

I have a room made of hollowed concrete blocks that I framed by mounting 2x4s, wide side against the wall. This gives me a 1.5in depth cavity to fill with insulation. Should I use an r19 fiberglass ...
2
votes
1answer
110 views

Brand new AC unit makes whooshing sound and air “chokes”

My brand new AC recently started making a whooshing noise. It sounds kind of like a sudden gust of wind, but it repeats every few seconds. Another way I can think of to describe it: imagine a PC ...
1
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0answers
30 views

Whirlpool refrigerator (6 year old) stops cooling

My refrigerator stops cooling and I heard clicking and buzzing from the back of it. I then bought new start relay and capacitor and replaced the old ones. But the problem remains (clicking, buzzing, ...
1
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2answers
67 views

Do these swamp cooler pads need replacement or cleaned?

I know these pads are at least 4 summers old, but not sure how old exactly. As I was shutting the swamp cooler down for the winter, I saw that they seemed really dirty. The white material flakes of ...
0
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2answers
47 views

Refrigerator cools once but then doesn't start up again

We have a Whirlpool Side by Side refrigerator (GS6SHAXML00) that is about 15 years old and was working fine before a long-distance move. When we got to the new house and plugged it in, it seemed to ...
0
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2answers
161 views

How can I cool a small room without using more than 2kwh of energy per night?

I want cool a small room with something that uses less than 2kwh per night with more cooling effect than a simple fan. The room is on second ground with 2 windows and one door and is about 15m2. I ...
23
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7answers
19k views

Why does my house heat up, even when it's cool outside?

Summary The question pretty much says it all. It's probably a ridiculously easy one to answer. It's cool outside but I know that my house is heating up because my AC kicks on periodically. I've had ...
1
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3answers
65 views

Water/antifreeze radiator cooled work shop

An additional line of thought. Cooling radiators in summer? I found this having the same concept for cooling. I live in south louisiana, US where 95F is vary common turning tin boxes into a slow ...
0
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1answer
1k views

Hot Garage - Do Garage Door Vents Work?

My Garage gets hot in the summer! Outside temp might be 85 degrees Fahrenheit but in the garage it's over 110. If I leave the door open about 8 inches temperature equals out. Issues with leaving ...
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0answers
28 views

two separate systems controlled by one controller (wifi)

I have two separate systems with two separate thermostats, cooling on the second floor and heating on the first. Is there a way to have a "main" thermostat on the first floor and control the cooling ...
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0answers
24 views

domestic air condition needs restart for cool air

I have a new domestic air condition 9000btu in my room. I have the settings cool and 23 degree temperature and I noticed that when I turned it on for the first time of the day, it doesn't blow cool ...
0
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0answers
39 views

humidity vs cooling

Which is more efficient? The house is hot, but closed to keep humidity out. Should we open the doors to let cool air and humidity in or keep closed to keep humidity low, but temperature rises?
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2answers
545 views

Would adding ice to a ultrasonic humidifier help cooling in summer?

During summer it's way too hot for me to sleep well. I currently use a fan, but it's so hot that it's not enough. I had the idea of having a sonic humidifier in front of the fan as the fan would ...
1
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5answers
557 views

Can I cool my south facing wall by spraying it with water?

I've been researching options for cooling a south facing exterior wall on my house. One thing I've been thinking about is what if I just spray the wall with water and let it evaporate? The wall is ...
1
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3answers
325 views

Is my Outdoor Mini Fridge Doomed? Wont get cold

I'm having issues getting my Bull Mini Fridge to cool. It was not working when we bought the house, but we never really needed to use it. I have been trying to figure out why it doesn't cool. The ...
0
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1answer
487 views

Direct Wiring (bypass thermostat) of heatpump cooling

Last September my CT80 radiothermostat would not signal cooling despite the measured temperature exceeding the temperature setpoint. It would be nice if a relative could manually switch the cooling ...
0
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2answers
32 views

Heat proofing Rented Top floor , Direct sun-rays facing house in India

How to keep a rented house on Top floor (11th floor) sun and heat proof during extreme summer in India, If I close the windows it became like a furnace if I keep the windows open the house will heated ...
1
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1answer
73 views

How can I keep a hanging cloth hydrated?

As the summers are approaching, it kinda gets hot in my room. I make it cooler by dipping a bed-sheet in water and then hanging it on the curtain rod next to the window. This cools down the air that ...
2
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3answers
40 views

Premium for heatpump inverter technology

My understanding is that a variable speed compressor permits greater efficiency and reduce wear & tear. Assume application is in Florida, not NYC. Is there a range for the cost premium for such ...
1
vote
2answers
190 views

Can I connect my two HVAC systems?

My house has two HVAC systems. One is in the attic and has supply and returns in the ceiling of the second floor. The other is in the basement with supply and returns at the floor of the first floor. ...
2
votes
2answers
53 views

Curtains for a non-air-conditioned apartment in the tropics

We live in Mumbai - West coast of India, tropics. Summers are from March to July with temperatures reaching early 40 degree Celsius and a lot of humidity. It rains from July to September with ...
1
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1answer
55 views

re-wiring/retro-wiring a Carrier 40MVC024 ductless A/C for external thermostat: guidance

My server room has two air-conditioning units, with acutely counterproductive controls. I want to rewire them for external thermostats. Can I simply splice a traditional thermostat inline with the "...
2
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6answers
205 views

AC Strategy for Energy Efficiency

For environmental and cost reasons, I'd like to use my AC unit less. In situations where passive cooling is not practical, I am trying to determine the most efficient way to do this. (I believe the ...
1
vote
3answers
165 views

Home not cooling at night

Recently, we've started using the AC less for cost and environmental reasons. When it gets below 82 degrees (F) at night, we open the windows. My understanding is that the cool air from outside ...
1
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3answers
1k views

Compensate inadequate exhaust vents for whole house fan by installing a power vent in attic?

I would like to install a whole house fan in my 2400 sf house. However, with only three 1 ft x 2 ft gable vents, I'm looking at an NFVA of only 3 sf of exhaust vent when taking into consideration that ...
0
votes
1answer
45 views

How to improve my air cooler?

I recently grabbed a cheap (as in 70€) air cooler to chill a room (45m³). Expectedly the inner workings of the cooler are quite basic, a pump circulates water from a reservoir through some kind of ...
2
votes
4answers
4k views

How to diagnose and fix apartment AC that makes intermittent whooshing noise

My AC recently (I think, it's pretty new, possible I just didn't notice before) started making a whooshing noise. It sounds kind of like a sudden gust of wind, but it repeats every few seconds. ...
1
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0answers
64 views

Inexpensive ways to cool the house as a renter

I am renting a house with a few other people. The house is fairly old and the leasing company refuses to do any expensive renovation and it would be inconvenient to everybody living in the house ...
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0answers
73 views

What's the best method of insulating windows against solar heat?

(TL;DR at the end ;) ) I live in Western New York, and while it's pretty uncommon to reach temperatures over 95-100, it still gets pretty hot here, and we typically have 70-90% humidity on top of it. ...
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2answers
27 views

Air conditioner venting

What about venting a portable air condtioner into the cold air return of the furnace? Good idea or not? Trying not to go through a waal and no window access Thanks
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0answers
2k views

LG Bottom Freezer French Door Refrigerator not cooling

I have an LG Bottom Freezer French Door Refrigerator that is not cooling. I plug the refrigerator in after sitting for a few hours. Inside the refrigerator the temperature controls read 4 for both ...