Why is my AC not cooling my house? If your air conditioner will turn on, and your thermostat is set properly, but your system is not cooling you may have a dirty or blocked air condenser. Your first step is to check the outside unit and clean around and remove any debris or weeds that are blocking air circulation.

Why is my air conditioner running but not cooling the house?

If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home.

How do I reset my Lennox air conditioner?





First, turn off the AC unit on the thermostat. Now, you will need to locate the circuit breaker that controls the power to the Lennox air conditioner. Turn that breaker off for a minimum of 30 seconds before turning it back on. Once the breaker is turned back on, you can now turn the AC back on using the thermostat.

How do I fix my air conditioner that is not cooling?

The following are a few things to check when your air conditioner is not cooling your space.

  1. Check and reset the thermostat. …
  2. Replace the dirty filter. …
  3. Clear the clogged condensation drain. …
  4. Try to diagnose duct malfunctions. …
  5. Clear the area around the compressor.


Can hear air conditioner running but not cooling?

If the ductwork in your home is old, there is a chance that a leak has developed in the air duct. Leaky duct could be the reason for your air conditioner not cooling even though it’s running. A properly sealed ductwork system is important to make sure your cool air is not leaking into your attic space.

Why is my house so hot even with AC on?





Air leaks and poor insulation are a common cause for making your house feel hot, even when the AC is working, as they can allow the air your air conditioner has worked so hard to cool to escape, leaving your house hot. Humidity can interfere with your thermostat’s ability to track temperatures and also traps heat.

How do I check the Freon level in my home AC?

Quote from the video:
Quote from Youtube video: You would go outside to your compressor. Which is on the side of the house or in the backyard. And you'll find two black copper lines that are covered in insulation.

Where is the Lennox reset button?

Find the reset button



When removing the front panel of the furnace, look for a raised switch or a button on the side of the control panel area. The limit switch will house the reset button in the middle in many Lennox furnace models.

What is the average life of a Lennox air conditioner?

15-20 years



The average lifespan of your Carrier or Lennox or Trane air conditioner is between 10 and 15-years. Very few Trane, Lennox and Carrier central air conditioners go 15-20 years without needing repair, whether minor or major. There are potential issues worth considering.

Why is my Lennox AC not working?

If your air conditioner will turn on, and your thermostat is set properly, but your system is not cooling you may have a dirty or blocked air condenser. Your first step is to check the outside unit and clean around and remove any debris or weeds that are blocking air circulation.

Should I turn off my AC if it is not cooling?

So, if your air conditioner isn’t cooling, and you suspect a refrigerant leak, or if you’ve checked the air filter and thermostat to no avail, yes, you should shut your air conditioner off and call us right away.

How do you unclog an AC condenser?



Quote from the video:
Quote from Youtube video: So a very simple easy way to fix. This is to just take a rag or some tissues like I'm using here wrap. Them around the pipe. And what we're trying to do is just kind of close the gap with the vacuum.

How do you unclog a condenser coil?

Quote from the video:
Quote from Youtube video: Take take your water hose. Let what you really want to do is shoot your water down from the top down to the bottom. Okay going to the top. And you'll watch all the studs run down to the bottom.

How much does it cost to replace a condenser coil?

The condenser coil usually costs about $400 to $1,200 to replace. Most HVAC pros charge in the range of $50 to $150 per hour. Regional cost of living differences and the experience of the professional mean rates vary.

Is it OK to spray water on your air conditioner while running?

The good news is that you absolutely can spray water on your air conditioner if it needs a cleaning, and nothing bad will happen. Spraying water on your AC’s condenser also helps it run more efficiently. In fact, your condenser needs a regular spritzing in order to keep doing a good job.

How much does it cost to replace an air conditioner coil?



Condenser Coil Costs

Coil Capacity Part Only Installation Cost
1.5-2.0 ton $575 – $800 $475 – $650
2.5 ton $625 – $975 $535 – $750
3.0 ton $735 – $1,055 $600 – $835
3.5 ton $775 – $1,025 $775 – $985

How do I know if my AC coil is bad?

Signs of Damaged Evaporator Coil Components

  1. Air coming from the vents is warm.
  2. Air conditioner starts and stops frequently but doesn’t properly cool your home.
  3. Air conditioner does not turn on.
  4. Refrigerant leak near the indoor cooling system components.
  5. Unusual noises from the cooling system, such as banging or hissing.


How much does it cost to replace a Lennox evaporator coil?

Brand

Brand Evaporator Coil Replacement Cost
Lennox $200 – $2,000
ADP $200 – $1,000
Rheem or Ruud $300 – $1,300
Bryant $250 – $1,000

Is it worth replacing evaporator coil?



The efficiency of an AC unit is at its best for the first 10 to 12 years of its life. That said, if your AC is nearing 8 years old, replacing just the evaporator coil would be like putting a brand new engine into a dying car—it’s just not worth the money.

How do you access a Lennox evaporator coil?

To access the coils, remove the evaporator coil access panel. To remove the access panel, remove the metal tape that seals the panel. Next, remove the screws that secure the access panel of the evaporator coil to the air handler.

Where is evaporator coil located?

Inside the home, the evaporator coil, sometimes referred to as the cooling coil, is located on the air intake side of the fan coil or the outlet side of the furnace. Its job is to remove heat from indoor air so the blower fan can return cool, refreshing air to the home.