Central Air Conditioner Does Not Work.?

IT REALLY DEPENDS ON EXACTLY WHAT IS WRONG.

1. Central air conditioner surging all the lights in my house?

Your compressor is on it's way out, very shortly you will get a smell like cable burning and it will stop working. Consider of buying a new unit as the repair cost it's almost the price of a new one

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

Could be the condesate drain pan is cracked, or if it's an older unit, the metal drain pan is rusted through. The dissimilar metals react & rust out the pan. I've seen this many times. Sometimes you can get a replacement pan, but usually you are forced to replace the entire evaporator coil which has the pan integrated onto it. The upside is that the new style pans are plastic, so they will never rust. Access the coil & pour water in the pan & observe where it goes. If you see it running down through the pan & not the drain, time to call a licensed pro, as the refrigerant must be removed from the system to replace the coil, definately not a DIY project! Hope this was helpful, good luck!!

3. Central Air Conditioner Compressor Replacement Cost Guide 2021

Like the old joke about what time it is if an elephant sits on your fence, we could ask, "What time is it when your AC compressor fails?" It might be time to get a completely new AC/heat pump unit, not just a replacement compressor. However, repair might be the answer if the AC is less than 10 years old and if the unit is under warranty. This AC compressor repair cost guide has all the details plus our pro recommendations for air conditioner repair vs. replace scenarios. Note: This compressor cost guide applies to heat pumps too. The compressors are the same. Warranties differ on compressors, so it's important to know what coverage you have. If you do not have information on your warranty, it can be found online from the manufacturer. The most common options are: 5 years: Cheaper ACs and base models from leading brands like the Lennox Merit Series. 10 years: The most common coverage for ACs from most leading brands. 12 years: Compressor warranties on some models from American Standard, Trane, Maytag and a few others. Lifetime warranty: Some Goodman and Amana ACs in current use have lifetime compressor warranties. Unit replacement warranties: Most warranties cover just the compressor. Heil, Tempstar and other ICP brands, Rheem, Ruud and a few other brands cover the compressor with a complete unit replacement guarantee. If the compressor fails, the entire outdoor unit, called a condensing unit, will be replaced. Labor warranties are separate. Labor to replace the part probably wo not be covered if your unit is more than two years old and there is no extended warranty on it. By the way, we do not recommend buying an extended warranty. See why in the section on warranties in our Trane vs. Carrier vs. Lennox AC guide. If labor is not covered, you will pay the labor cost of removing the old compressor and installing the new one. That fact must be considered when deciding whether to repair or replace the AC, a topic addressed in detail below. That's why we list parts and labor separately in the table below before giving a total installed cost For more info, you can read our HVAC Warranty Ultimate Guide For Homeowners. The compressor is the part responsible for circulating refrigerant through the system. The refrigerant picks up heat inside your home, in the evaporator coil in or connected to your furnace. The refrigerant cycles outside where it sheds heat in the condenser coil located in your AC. Compressor problems mean limited or no cooling at all. The table shows a broad range of costs. Where your heat pump or AC compressor replacement costs fall on these ranges depends on these factors. Warranty coverage: If the compressor is still under warranty, the part will be provided at no cost. You will pay installation costs only. Type of compressor: Compressors are available in three performance levels. They are single-stage ($$), two-stage ($$-$$$) and variable-capacity ($$$$). Your AC requires the same type of compressor it was manufactured with. Upgrades of the compressor are not possible. Unit size: The more capacity the unit has, the larger its compressor will have and the more refrigerant will be needed to fill it. Brand or Generic: Some ACs and heat pumps require brand-specific replacement parts, and they cost more than generic/universal replacement parts that can be used with most AC brands. Cost of living: Where on the cost spectrum your estimates will depend on the relative cost of living in your area. Replacing a compressor or the entire unit takes 4-6 hours. The total cost for installation includes more than just the labor. These extras will be factored into the AC compressor replacement cost estimate: Removing any remaining refrigerant from the system and disposing of it Disconnecting, removing and disposing of the old compressor Installing the new compressor plus required fittings Adding refrigerant and testing the system for the proper refrigerant charge Sometimes it makes more sense to put your money toward a new central air conditioner or heat pump instead of having it repaired. We recommend replacing the entire AC or heat pump if: The unit is no longer under warranty and has already had repair issues. You would prefer a more efficient AC/heat pump to lower your energy use and cost. You want to upgrade to a two-stage or variable-capacity model for improved temperature balance and climate control. Our Trane AC Guide includes a section on Repair or Replace that applies to any brand AC or heat pump. It's worth a look here. Using Our Free Estimate Tool to Compare Repair and Replacement Cost By using our free estimate tool, you can get at least 3 quotes (both repair and replacement) in minutes from your local contractors. Then you can compare and decide if you need to replace the whole unit according to the above guideline. For further research on central air conditioners and heat pumps, see our comprehensive guides that include an explanation of efficiency and performance options with costs for each:

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Central Air Conditioner Does Not Cool Or Heat, but Air Blow and Motor Works?
If all the motors are working, but no cold air, then most likely low on refrigerant (freon). The freon do not just disappear. Unfortunately the system might have a leak. If you had your unit serviced by someone prior to this happening, the technician could have put in not enough freon. Hope this is the case. Otherwise you will have to find a good hvac technician to find and fix the leak. During hot season, hvac service charging method is very differ from company to company. One quick tip you might be able to perform yourself. In sufficient air flow caused by dirty air filter or condensing coils leads the hvac problems. Please check them and clean them if they are in need. Good Luck!1. what does it mean when your central air conditioner is leaking water?I just noticed that my HVAC unit (on the roof of my house) is dripping water down the side of the roof (it's a pitched roof) it seems to be working ok and I do not see any leaks inside the house - as I say, I just noticed some water dripping down from the unit off the roof. Is this ok or do I have to find a 1/2 a million dollars somewhere to have a tech come and look at it...?2. Can grass and other debris in the fan outside affect the central air conditioner inside the house?Yes, the debris definitely can affect your air conditioner. According to the blog from American Home Water and Air: "If you suspect the debris has made its way inside the unit, you will need to have a professional open it up safely. First, however, brush away any debris yourself with a small-handle broom and give the coils a good cleaning with water and coil foam cleaner." Apparently, it is a very common problem with AC units.3. My central air conditioner works fine for about 15 hours. Then the compressor turns off.?I think it would depend a little on just how hot a climate you live in, but generally the engine will run a little hotter as the air conditioner operates. Air conditioners use a system of heat exchanging coils, and the coil that dissipates the heat is usually directly in front of your car's radiator. If the air conditioner is operating that coil will be hotter and some of that heat will transfer to your radiator. It probably wo not overheat your engine, but it will tend to make it cool a little more slowly. Also, if that system is set to turn on when you start your car you will add to the load on your electrical system as well as increase the work your engine and starter have to do. If you plan to keep the vehicle for a long time it's generally best to go a little easy on the systems that make it work. Leaving the AC on probably wo not damage the vehicle but it may make it wear out more quickly4. Central air conditioner is leaking water?Are you sure that the collection pan/drain pan is level? Is the water clear and not full of dust etc? A little bleach will keep it clear. I had a bad experience with an unlevel pan. Ceiling fell in.5. How long should a central air conditioner/heater last?I would be in no hurry to replace the whole system. If it has a leak, then the leak should be found and repaired. A good tech would automatically look for the obvious signs of a leak (oil residue), and if it's not easily found, they may have to tear into the evaporator, which will take a bit of time, but is still a lot cheaper than system replacement. Most parts that may fail are fairly inexpensive, with the fan motor being a bit more, but as long as the compressor runs, I would keep the old system going, but if it goes, then it may be worth changing the whole system, ...especially if you can get a tax credit for upgrading. I have a system that I take care of that was started in July of 1969, still with the original compressor. New systems will be more efficient, but it will take a long time for them to pay for themselves in energy savings. Hope this helps
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