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AC Installation & Replacement
1-800-Plumber +Air of North County San Diego

We know there's nothing worse than your A/C giving out on a hot day. Fortunately, we're always here to help. Using only trusted brands, our technicians can replace your air conditioner with a unit that's built to last. We offer a range of options, including traditional split systems, ductless mini-splits, and heat pumps. We can also help you decide which size unit is best for your space, taking into account factors such as square footage and insulation. Read our guide below on common AC problems:


  1. Your AC is working but not cooling

  2. The air conditioner isn't turning on at all

  3. The outside air conditioner is operating, but inside is not coming on
  4. The air conditioning is not blowing air
  5. Which HVAC Unit is best?

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Common AC Problems

AC is Running BUT…. Your House is Still Hot

The following AC problems are fairly common and are by far the most common questions that are asked by our customers. Let's start with the first one. If your air conditioning appears to be cycling on, but your home never cools off, it can be the sign of a small issue that may become large. The first issue is that maybe you may have an incorrectly sized unit; it is vital to ensure your A/C unit is sized your house. If it is too small, it will not function for the entire space. If it is too large, it will overwork which will result in frozen coils.

Another issue is that your air conditioner may be aging, and therefore it may be time to get yourself a new AC unit vs. repairing one that may have. This will save you money on parts, time, and labor. The AC that can't cool down your home may have;

  • Some clogged filters

  • A thermostat that doesn't work correctly

  • Damaged motor

  • Cracked Ducts

  • Low levels of freon

Great preventive maintenance can prevent you from constantly replacing your unit. 1-800-Plumber +Air of North County San Diego can assist in ensuring your unit is working properly.

HVAC Unit is not Turning On

If your AC isn't coming on at all, the problems can range from a circuit breaker to a blown fuse. Every once in a while, there's a clogged air filter that many people don't know needs to be cleaned regularly. This can cause problems if you wait too long between cleanings. At times, dirty evaporator coils can be the main reason in which your unit will not cycle on.

Everyday life brings about much more air debris than we expect and most of it can find its way into your condenser or filter that lives within your air conditioner. When the components have a build-up of debris it will eventually result in a broken AC unit. Dirty condenser lines can mold with algae over a period of time. Using a wet/dry vacuum will help clean out the debris inside of your condenser unit.

You may have a refrigerant leak; before you go out and try to replace it, make sure you contact a technician. Our service team at 1-800-Plumber +Air of North County San Diego can assist you in adding additional fluid if necessary. If your AC motor stops working or is producing odd noises, you may need to have a capacitor tested to ensure it is properly working.

Your outside unit works but…. The inside does not

When you're outside, the air conditioner is performing well without a problem, but you notice that air is not blowing through your vents. This is typically one of easier AC issues to diagnose because it usually means the fan may have blown or burnt out and will require a service technician to fix it. This is why it is extremely important to ensure the filters within your house are regularly changed.

The reality is that you will have A/C issues! Unfortunately! However, when you do have issues, it is extremely important to have a reliable A/C company to assist you. There are many AC issues that can occur but if you catch them in time it will help prevent serious damage. When you're able to solve AC issues on the front end, sometimes you don't have to have such expensive bills on the back end by having to get your whole AC unit replaced.

The Air Conditioner Is Not Blowing Air

If your air conditioner isn't blowing cool air, it may be time to check your thermostat. A simple thermostat replacement sometimes fixes the AC issue that you think will cost you significant money. A simple replacement of a thermostat may result in your air conditioner fixing itself. Contact our team if you need assistance replacing, installation, or repairing your existing thermostat.

Before jumping on YouTube and attempting to DIY the maintenance on your HVAC unit, contact our team at 1-800-Plumber +Air of North County San Diego. We are licensed and trained to come out, identify the issue, provide you with a fair and reasonable quote, and a timeline to when service will be rendered.

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Which HVAC unit is best? 

You need to make sure you have the best HVAC unit to cool your house without negatively impacting your electricity bill. Every air conditioner expends energy and the insulation factor impacts every energy bill in your house. An air conditioner that has an excellent SEER rating will also save you energy, which in turn saves you money on your energy bill.

The more energy-efficient your air conditioner the better the SEER rating. That means at the end of each month you can save on your energy bill while having one of the coolest summers you've ever had the pleasure of going through in North San Diego, TX

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I was very impressed with Nick and that he was very professional. This was the first time we had used 1-800 Plumber and it wont be the last. Nick went above and beyond. read less

Satisfied Customer

Very professional, friendly, and on time.

A M.

They were very professional and clean. Also did a great job on my air conditioning my house feels great.

Satisfied Customer

EMANUEL REYES IS GREAT!!!!!!!!!!!!!!!!!!!!!!!!!!

Kathleen E.

friendly, knowledgeable, helpful and courteous

Satisfied Customer

Joey was fantastic. Really great service!

Kathy C.

Alex was just wonderful. He explained everything did a great job and was friendly and courteous. Very professional in every way.

Satisfied Customer

Mason with 1-800-Plumber first listened to my issues and past experiences with other plumbing companies. He did a thorough diagnosis of the problem and found a solution, the correct solution which wasn't the most expensive solution. Thanks for your honesty Mason.

Carolyn P.

Kyle provided excelleent service as he always does. I have had some tricky plumbing problems and he has always solved the problem with efficient service and winning personality. He did a beautiful job on my pipe. He takes a lot of pride in his work .

Ruth L.

I think there the best

Michael D.

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By submitting this form and signing up for texts, you consent to receive marketing text messages (ie, appointment reminder, booking requests, promos, etc.) from Twilio autodialer. Consent is not a condition of purchase. Msg. & data rates may apply. Msg frequency varies. Unsubscribe at any time by replying STOP or clicking the unsubscribe link (where available). Privacy Policy