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HVAC Installation

San Diego HVAC Installation

Best in San Diego County

Whether you are looking to replace an old unit or install a new one, THA Heating, Air, & Plumbing, Inc. has the right solution for you. Our National City HVAC technicians are licensed, insured, and NATE-certified to install a wide range of equipment. We can help you find the right system for your needs and budget.

What Size Unit Do I Need?

Determining the right size unit for your home can be challenging. If your system is too small, it may not be able to keep your home comfortable. On the other hand, an oversized system will cost more to operate and may wear out faster. To ensure your unit is the right size, our technicians can help you calculate the correct BTU rating for your home.

Calculating the correct BTU rating for your home:

  1. Multiply the length of your home by its width to get the square footage of your home.
  2. Add 10% to the square footage of your home to account for the area of your home that is not heated.
  3. Divide the square footage of your home by 43,560 to get the approximate number of BTUs your furnace or boiler should have.

After determining the correct BTU rating for your home, our technicians can help you find a system that fits your needs. We can explain the options available and help you compare different models to find the most efficient system for your home. We can also help you calculate the estimated yearly cost of each unit to ensure you get the most cost-effective system for your needs.

Do I Need to Replace My System?

As your heating equipment ages, it may become less efficient and costlier to operate. If your system is old and showing signs of wear, you may want to consider replacing it. You may also want to replace your system if it is failing to keep your home comfortable or if repairs are becoming too expensive.

Some signs you may need to replace your system:

  • Your system is more than 10 years old
  • Your energy bills are increasing
  • Your system fails to keep your home comfortable
  • Your system requires frequent repairs
  • Your system makes loud noises when it operates

If you are considering replacing your unit, our technicians can help you choose a new system that is the right size for your home and provides the level of comfort you desire. We can explain the options available and help you compare different models to find the most efficient system for your home. We can also help you calculate the estimated yearly cost of each unit to ensure you get the most cost-effective system for your needs.

For expert heating and air conditioning services, call (858) 648-5090 or contact us online today!

Why Choose THA Heating, Air & Plumbing?

What Makes Us Different

Serving San Diego, CA Since 1992

  • Backed by a Warranty
    Get peace of mind with our warranty-backed services.
  • Licensed & Insured
    We make it easy for you to have confidence in the team you call.
  • Financing Options Available
    Our flexible financing options support you however you'd like to pay.
  • Available for Emergency Help
    Heating and cooling emergencies can't wait. Call for immediate help.

Hear From Our Happy Customers

Reviews & Testimonials

At THA Heating, Air & Plumbing, your satisfaction is our priority! See for yourself what people have to say about working with us.

    “She will definitely call this company for future help.”
    “He was prompt, professional, friendly, and reasonable. She will definitely call this company for future help.”
    - Tish Remsnyder
    “He was on time despite a busy schedule.”
    “Very professional and nice, explained everything he was doing and possible outcomes. I would definitely use THA again, but hopefully my daughter won't flush any more toys down the toilet.”
    - Brittini Boots
    “Positive: Professionalism”
    “Great experience, I would recommend this company to anyone looking for a professional, knowledgeable plumbing service!”
    - Monica Albrecht

Contact THA Heating, Air & Plumbing!

We Are Ready to Help

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