My Central Air Conditioner Will Not Come on, What Do I Do?

You might have found the problem but not installed the stat properly. Most new stats need a jumper between R and RC terminals. Most old stats only had the R terminal

· Other Questions

Are window air conditioners cheeper to use than central air conditioners?

no. exactly the reverse, usually. central a/c usually has 50% higher SEER energy efficiency rating.

this, however, must be offset against the cost to install central a/c, which in an existing home can easily run $5,000 or more.

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Poll: Do you have Air Conditioner in your bedroom?

every stinkin' room in my house recieves central air EXCEPT my bedroom :/ it's generally nice and warm in the summer and freezing in the winter (no heat :/) so to answer your question nope :)

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Is there a window air conditioner that when fan mode with the vent open, blows 100% outside air?

Because the outside air temp presents to large a air temperature differential to a window air conditioner they are not designed to use outside air. It is not even possible for a standard residential central AC unit to use 100% outside air

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i just built a new home with forced air have returns in all rooms except basement?

hvac instructor, contractor and tech with over 40 years.

yes I agree you don't need a return duct in all the rooms, UNLESS you plan on keeping all the doors closed. put a return air grill in the door as was stated or leave the door open.

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Its really hot where we live and the air conditioner died, how do I buy a new one?

Central air conditioning or window units? Get windo units from Walmart. Central Air, you must contact a contractor for installation.

You might be able to have the current one repaired much cheaper.

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Eastern and Central US survey: Have you put in your Air Conditioners yet?

AHH!

Lucky you! I live in New Haven, CT and it's 85 degrees and HOT AS HELL! No AC, my parents think the heat will die off in a couple of days.

It's like summer! Wtfff?

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100 fans or air conditioner(central air)?

A/C.of any kind. Central air or the window kind, who cares as long as it works.

I like it cold, so I can use my duvet. Fans, just don't cut it.

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why does the fan motor on a central air unit keep running when the air conditioning shuts off?

That fan also provides ventilation. Is your system set for that? Most fans run for a bit after cooling or heating cycles to make use of all the energy expended, cooling the heating coils in heat mode, and preventing condensation on a cold coil in cooling mode.

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We have central air conditioner, do we need dehumidifier.

Air conditioners are the least efficient dehumidifiers! While they do remove moisture, if you are in a humid climate, a dehumidifier in conjunction with your A/C would be best and reduce running costs and times of your A/C thus reducing electric costs

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Thermostat Needle for Central air not moving.

put another thermometer in the room.see what happens.if that reads the same.

o.k.if it dont.

and the air is doing it's job.use the second therm.as your source

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central air condition unit has ice freezeing on compressor lines what is the cause?

the air conditioner is over working itself. i would have to guess you have the thermostat set pretty low. Turn the unit off and allow it time to thaw out.

after it thaws turn it back on and raise the temp some

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What temperature should the air coming from my central air conditioner be?

the temperture of the air coming out of the vents should be somewhere between 15 to 25 degrees cooler than the room temperature.anything less than 15 degrees difference and it will not cool your home.

anything more than 25 degrees difference and your unit will freeze up very fast.

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where do you place an air filter for an air conditioner unit?

Obviously the first time you asked a question here.

Please try to be a bit more specific - - Central Air conditioner, or - Window unit, or - Forced air heating / air conditioning installation, or ? ? ?

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why does my central air conditioner freeze up and stop working?

This may be a simple maintenance issue, but it is probably more complicated than a simple filter. Dirty coils are often the problem.

Perform routine maintenance and clean the condesnser coils and the problem should go away

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Nashville air conditioning repair with payment plans?

At Kimbro you can rest assured that you are purchasing from heating and air equipment from a TVA Authorized dealer, a Mitsubishi Authorized (Diamond) Dealer, and an American Standard Authorized (Diamond) Dealer. http://www.

airmaxhvacla.com/

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SmileyCat's wonderin'.It's HOT!

Do you have.

its very hot here i have 3 window ac units, one in the front room,one in the kitchen and one in the bedroom, i plan on getting a bigger one for the bedroom when they go on sale at the end of summer

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If I turn my central air conditioner to 72, does that mean the room temp. is 72 and the conditioner turns on?

Here's an example of how an AC unit will function when in cooling mode. User Set Point 72 Degrees ( Thermostat Differential 1 Degrees ) Indoor Temperature 72 Degrees Set point 72 Degrees System is not running Indoor Temperature 73 Degrees Set point 72 Degrees System is running in Cooling Mode

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Central air conditioner is leaking water?

the water should drain into the drain pipe.

maybe the A/C unit is slanted the wrong way and the water is not running in the right direction. It is not a water leak,,,it is condensation,,,,,perfectly normal.

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If the outside Temperature is 95 degrees and a heat index of 110 will your Central air conditioner run all t?

Absolutely! It was 104 here this past Wednesday, 102 on Thursday and 99 on Friday. Our three ton central air system worked perfect.

It would be best to have an air conditioning person who installed it check it out.

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how to trouble shoot an air conditioner?

There is a fan in the heat exchanger in the attic or crawl space, or where ever your unit is located.

Look there first and trouble shoot the fan motor, and then the relay switch

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What is the average cost for replacing an air conditioner?

for a small house of 1500 sq.f its from $4000 and up to 9000 depending on the brand and installer.

So if you decide to go for a new A/C put some efforts in finding a good reliable HVAC company. Here is how: http://www.joetheplumbernet.

com/JTP_how_find1.html

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Do new apartment buildings/homes have central air conditioner? So far, it seems to me?

Yes, central a/c is rare here. We have it in our compound, but the unit outside is huge, and it runs almost all day long to keep the house cool. alhamdulillah we don't have to pay the electricity bill!

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How do I troubleshoot my central air conditioner that no longer blows cold air?

Sounds like you do need to call an HVAC tech. You can try to rent a central air gas pressure gauge.

See if this link helps http://search.yahoo.com/search?

phowtotestforfreoninacntralairunit&frush-ans&ygmasrchbtnWebSearch

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Air Conditioner turns off before temperature is reached?

There is a short in your wiring causing the power to drop going to the thermostat. The flashing is what normally happens when power is restored to the thermostat and the thermostat goes into a 'delay' mode represented visually by the flashing 'cool' signal.

The problem is in the wires

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Why does the central air conditioner coil and fins in my furnace leak water to the floor?

Sweat condensation is produce by the cold surface -- then drips down into a "catch pan" -- then drains out through a pipe to a outside area. The drain pipe is plugged up --causing the pan to overfill The pan itself is leaking There is no catch pan

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central air cost & size?

too many variables to answer your question properly (e.g., your location, your cooling needs, what features are important to you).

contact three HVAC vendors and ask for a quote. when dealing, with vendors, ask for the SEER (seasonal energy efficiency rating).

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can black mold grow on my central air conditioner vent?

Mold regardless of type can take up residents anywhere the conditions are moist. It can be removed with water soap and disinfect and the usual protective gears (respirator, gloves). Also remember to get lot of fresh air and seal of vent to prevent airborne mold spores from moving around the house.

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Does a landlord have to provide some sort of air conditioning?

If your lease says you are provided with Central Air then it should be there, but in most states a landlord does not have to provide A/C. They are only required to provide a working heat

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is such thing as an air conditioner that doesn't go in a window?

yes you can use minisplits they don't go on windows! you can buy them in air conditioning stores in any place you want! you can go to the A-S-S machine its a store where you buy minisplits!

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Can I turn on my central air conditoner without an air filter?

yes you can run the unit just for tonight'but you need to get a filter tomorrow,the filter keep the evaporator coil clean and keep trash from enter the space that need cooling

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the air conditioner smells like skunk. what can i do to keep my pets safe from the fumes until it gets fixed?

It's not harmful. The only thing you can do is find the dead skunk. You do realize that the air coming out has been sucked in by the compressor outside?

There's a dead skunk somewhere

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What is wrong with my central air conditioner?

Either the blower motor has failed or the blower wheel has fallen apart, you need to go check it out with the power off. turn the blower wheel by hand and see what is up

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Air conditioner doesn't always cut on.

Take the cover off of the thermostat and see if it has a mercury bulb in it.If it does the stat must be level.It could have gotten loose over the years.

But stats do wear out

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Air Conditioner problem. please help!?

Thb fan outside keeps the condenser cool, if it starts over heating , it will build up head pressure on the compressor, I would turn it off until I could get it checked out or have the fan replaced**************

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When an air conditioner is purchased out of the box, is the compressor already have freon?

if it's a window unit, then yes just plug it in and go. for central air units, then no it has to be added after all the connections are made

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What is the cost in running the central air conditioner vs just the fan?

Fan is just going to blow the hot air around the house. AC activates the compressor and the fan and will be much more expensive to run than just the fan. You can save some money by keeping the thermostat at 78 degrees or higher.

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about central air conditioners and air conditioners?

Air conditioner cools one room, usually installed in a window. Central a/c cools entire living space using the heating ducts, often installed near the central heating unit or in the yard

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POLL: What do you have?

In my townhouse, I have a air conditioner upstairs and downstairs. Once I graduate from Nursing school my fiance and I are going to get married and buy a house with Central Air.can't wait til I get my house 2 fans as well

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Central air conditioner water drain noise?

I would have this checked by a qualified person. It may be ok but units installed over conditioned areas should have a secondary drain that would take over if the main drain line gets plugged. This may be why your hearing it now and not previously.

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Can you get central air when you have baseboard hot water for heat?

No you can not You need a forced air unit for central air If that is not an option, you can install room conditioners in certain rooms, they do not sit in windows, but have to vented out a window

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Air Conditioners -- when were they first being sold?

Mechanical refrigeration came after WWII, about 1950 However there was cooling systems, way before that Ice was used and an electric ventilating system was used to distribute the cool air.

Hope this properly answers your question

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Can I remove a central air conditioner myself?

elhigh has you covered, but to simplify what he said, hire an HVAC contractor to evacuate the system and THEN it is totally yours to do with as you please. My vote for best answer will go to elhigh.

Al

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If your water is shut off, can your central air work?

Yes, water has nothing to do with central air. The water you see coming from the central air unit is humidity that is being taken from the heat in your house.

Your air conditioner doesn't run on water, it runs on electricity.

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Where do you live and do you own an air conditioner?

Alabama.

I have central airconditioning. It would be virtually unbearable in the summer without it. It gets really hot and humid here in the South.

I worship the person who invented the a/c.

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Fish smell coming from central air conditioner?

Is it possible that someone removed a vent grate and poured a can of sardines into it?

Don't laugh, I know someone whose room mate did that when they moved out.

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who knows about air conditioners? help please!

?

it depends if it is running constantly, if it is shutting off before it is reaching the desired temp, then your thermostat is bad, other possibilities would be low freon, clogged coils, clogged air filter

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my central air conditioner "freezes up" near the unit outside my home. What is the cause and what is the cure?

a couple things may cause this, a dirty air filter or dirty coil inside,,,check this first, if it is ok, than you are probly low on freon, you have a leak, the leak would need fixed and freon added to the proper amount,

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air conditioner question central heat and air?

cheaper to leave it on at 80 because it will run a little bit and not allow humidity to build in your home.if you tunr it off it will have to run a lot harder to remove the heat and humidity and it will get above 80 on really hot days