My AC is not cooling properly. It continues to run all day. I had freon added a couple of times before but every summer is the same reoccurence of improper cooling. Could you please help?
Rita T
My 20 yr old York AC /gas furnace just stopped working. It is the basement unit. There is an attic unit for the upstairs. Both units are 3 ton, 70,000 BTU. I would like to replace the basement unit with something with a higher SEER rating, and a 2 stage furnace. Later this year I will probably replace the attic unit.
Linda R
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Air Conditioning - Air Conditioning Questions
1.50Where are the air conditioners in high rise apartment buildings and skyscrapers in the USA?
Q.I'm living in Shenzhen, People's Republic of China. I live on the 9th floor of our 34 floor apartment building, and just had to have our external air conditioning serviced. I was alarmed and amazed as our air conditioning technician tied a rope around himself, and then went out the window to the external air conditioning unit to give it a dose of freon (as I held the rope!). My gf asked, what do they do in the USA?
A.In the USA buildings have central Air-Conditioning and the equipment is usually located on the roof of the building.
(No Chosen Answer)
1.50What is involved in installing Air Conditioning in a single family home?
Q.We live in an old 1950's house and currently have central heating, which my husband installed in our home a few years ago. Is it possible to add air conditioning, as well.
Can anyone help out with advice or how it would work and what the cost would be?
Real answers, please...no trolls!
A.You want to start with what you have that is very familiar to you but you haven't described it enough. Is it a forced hot air system with duct work and is the duct work insulated? If this is the case then the process is to install an "A" coil above the furnace and below the plenum that distributes air to the various ducts. This is connected to a condensate drain, and two refrigeration lines that are also insulated. The refrigeration lines connect to an outside unit called a condenser. The condenser has to have electrical power attached to it. The refrigeration lines must be vacuumed out with a vacuum pump and then the refrigerant has to be transferred to the appropriate levels in the now closed system.
The cost for this work will vary depending upon where it is done and the going rate in that location. The cost of the equipment will be more static but depend upon the capacity of the unit and this depends upon the size of the house.
(No Chosen Answer)
1.30Home thermostat not working!?
Q.I replaced a fully functional home thermostat with a new digital thermostat from Honeywell. Now neither my heating nor my air conditioning works. I have 5 wires white (W), red (R), green (G), blue (C) and yellow (Y). When I cross a wire with red nothing powers up, so its not the thermostat: for example, crossing red with white should turn on the heating. My breaker box shows all the breakers are enabled. I see no breakers or switches on or near the heating or air conditioning units. I've also reset all the GFCI outlets. What could I be missing? I hate to have to call an HVAC expert out here to kick a breaker or something silly. This has to be something simple. HELP!!
More... The furnace is in the attic; Its difficult to work with. I prefer to test with the air conditioning that is just outside the door. Tests for just the furnace don't seem to explain why the air conditioning does not work either.
Much more... The house was built in 2004.
Much much more... I found the furnace documentation nailed to a 2x4 in the attic; actually its more of a crawl space: a real pain and dangerous to get to and move around. Yes, I was incorrect, all wiring for the air conditioner (AC) appears to go through the furnace, so I can not just test the AC. I now believe that I was working with a live wire (R); I tuned off breakers marked "AC", but there is no breaker or breakers marked "Furnace". Based on the documentation, its likely I blew out the fuse on the furnace circuit board, a 3 amp, 32 vac fuse. I will go buy a new fuse today and climb up into the attic tonight to change it out. Thanks for the hints on the fuse; I'll look around for another breaker box too.
Conclusion.... I picked up a fuse at the local auto part store; Home Depot didn't carry the type specified by manufacturer. Once I figured out how to open the second part of the door, there was the purple fuse. I pulled it and saw that it was burned out. I replaced it, went down to the new thermostat and started-up the furnace. A whole lot of drama for a 50-cent fuse. Thanks everyone!
A.Open up your furnace and see what wires go where. The R and W on the board are for heat, but they don't always set it up colour coded like that. Check for an auto style fuse on the board, usually a 3 or 5 amp (purple or yellow). You may have blown that if you put the C (common 24 volt) wire in the wrong place or crossed it with something else.
Add on: If your fuse in the furnace is blown, it won't relay the signal to the AC. Nothing will work. You have to check it. If you didn't power down the furnace while replacing the stat, chances are you crossed the 24 volt with something and popped it.
The thermostat does not need 24 v to work if it has batteries in it, and a furnace from 2004 will more than likely NOT burn out the transformer. The transformer will pretty much out last any other component in a furnace.
(No Chosen Answer)
1.30What is a reasonable price range to have refrigerant service done to a 2.5 ton air conditioning unit?
Q.Unit is only 5 yrs. old, not sure if I'm quoting right I had about 5lbs. of pressure they took it up to 60-70 I believe.
A.Average range $175- $250. unless there is a leak on the line. than it's more.
(No Chosen Answer)
1.20What is the reason for a slow or stopped central air conditioning outside cooling fan with a loss of cold air?
Q.The recent problem seems to be related to the outdoor cooling fan. The air conditioning system seems to be working properly, but there is a loss of cooling of the air coming from the indoor air conditioning vents. I inspected the outside unit, and yesterday the cooling fan was stopped with a humming/grinding sound. The capacitor looked good (no bulging), but I'm not an electrician and I have no way (or the knowledge) to test voltages and amperages and such. Anyway, I blew on some dust/dirt/cobwebs around some of the wires, and started the system back on and the fan moved at normal speed and the system worked and cooler air came out.
However, today, the indoor temperature wasn't maintained and I went outside and the cooling fan was running much slower (but it was running). After I turned off the system, I felt the metal cover of the outside unit, and it was very hot, and it seemed that the source of the heat came from directly above the cooling fan motor.
Please contact me!
A.Replace your outdoor fan and while your at it replace the capacitor and everything will be fine. But turn your unit off untill you get it fixed or you'll be changing a compressor or buying a new unit.
(No Chosen Answer)
1.20Who should I call to install an exhaust fan in my bathroom? And electrician or an air conditioning company?
Q.We desperately need an exhaust fan installed in our upstairs bathroom. There is one tiny window, which is not enough to expel all of the moisture (esp. living in FL!)... and no air conditioning vent. The bathroom is located on an exterior wall so I wouldn't think it would be too complicated. I just don't know who I should call to do it.
A.Actually, either one can do this job. When building new houses the electrician sets the fan housing and runs the wires, then the AC man runs the duct work when he roughs in his AC unit. Since there's gonna be a switch involved, I'd call an electrician first.
(No Chosen Answer)
1.20Anyone have an EXPERT opinion on attic fans?
Q.Thinking about having one installed. Thoughts on cost to install, operating costs vs using the air conditioning? What about leaks around the installation site...hear that from a lot of people that have had them. Thanks for the help!
A.If you need an attic fan and have a vent at one end of a peaked roof, you can have a fan installed there.
I did something else too. One fan in the attic blows air down into the house. Another at the other end of the house blows air into the attic. On a cool day, but with a warm attic because of sun load, I circulate air from the attic through the house. Thermostats in the attic and in the house circulate air only when the house is 70 degrees or less AND the attic is at 75 degrees or more. Also I can switch off the one that blows air into the house. On hot days, after sundown, I can blow air out of the house, sucking it in from the cooler air outside.
(No Chosen Answer)
1.10How can I improvise some air conditioning for a couple of days ?
Q.The central air conditioning in my apartment is getting repaired and won't be working for 4 or 5 days.
I want to improvise something. Maybe taking a fan and pointing it a a bag of ice. Heck.. I don't know... Any tips ?
A.Use the principle of evaporation. Depending on the humidity, it can work wonders. Lightly soak and wring out a sheet before bed, and have a fan blow across you. You will be comfortable enough to get to sleep. Some people get a large amount of ice, put it in a shallow pan, and have a fan blow over it. Another is to fill an ice chest with 70% ice and 30% water, take a hand towels, soak and wring out, then place over head and breathe the cold air. Do it once more but this time leave on your wrists for a couple of minutes. As for a whole house fix, there is no other DIY method I know of. The ice cold towel on the head is really amazing relief even though temporary.
(No Chosen Answer)
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We make finding a Providence AC company quick and hassle free. We are Providence's number one resource for air conditioning contractors, and help home and business owners find licensed and insured AC contractors when they need help installing and repairing their air conditioner. Our database of highly qualified professional air conditioning contractors come with many years of experience in the HVAC services business, in and around Providence. They have all the skills necessary to install and repair air conditioners in accordance with Providence's unique climate needs. With our system, you can have an air conditioning contractor showing up at your door within a few hours from now! 