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AC Replacement

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AC Replacement

You deserve fast, affordable service you can trust. Our friendly, trained, licensed, and insured HVAC technicians are available 24/7 across the Greater San Antonio area to restore your heating and cooling systems.

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If your air conditioner can’t keep up with the Texas heat, it may be time for professional AC replacement in San Antonio, Texas. Homeowners throughout San Antonio and the surrounding counties trust experienced HVAC professionals for reliable, energy-efficient air conditioning replacement services. When your system is more than 10–15 years old, needs frequent repairs, or causes high energy bills, replacing your AC unit can improve comfort and lower monthly utility costs.

We specialize in residential AC replacement in San Antonio and nearby areas, including Bexar County, Comal County, Guadalupe County, Wilson County, and Kendall County. Our licensed technicians install high-efficiency central air conditioning systems, heat pumps, and complete HVAC system replacements designed for South Texas homes. Whether you need a full HVAC replacement or just a new AC unit, we provide customized solutions based on your home’s size, insulation, and cooling needs.

We offer free in-home estimates, transparent pricing, and flexible financing options to make upgrading your system simple and affordable. Our team removes your old equipment, installs your new high-efficiency air conditioner, and ensures everything is optimized for maximum performance and long-term reliability.

Upgrading to a modern energy-efficient AC system can improve indoor air quality, reduce breakdowns, and increase your home’s value. We work with leading HVAC brands and ensure every installation meets local building codes and manufacturer specifications.

Don’t let an outdated air conditioner leave you sweating. Contact us today for expert AC replacement services in San Antonio, TX and surrounding counties. Stay cool with dependable air conditioning installation you can count on all summer long.

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Luis T.
Luis T.
My wife called on a Sunday night, and we had a tech over within the next couple hours. With the intense TX heat, we caught a break after calling a few 24 hr AC companies who couldn't see us until the following afternoon. With a 3 and 7 year old in the household as well, delaying the repair just was not an option. Tech was quick, friendly, and has this family enjoying the cool air once more! Thank you!
Dave C.
Dave C.
All Star Heating and Air Conditioning installed a new air conditioner in my home and I was very pleased with their price and service. Install was only a few hours and they cleaned the entire area when complete. The best thing was my electric bill. My new bill was only about 1/3 of what it had previously been. I was shocked at how low the electric bill was now. I highly recommend these guys.
Kylee G.
Kylee G.
Glenn was truly a godsend today! He arrived quickly and diagnosed why our entire AC system had shut down—on one of the hottest days, no less! He was incredibly knowledgeable and took the time to walk us through everything step by step, explaining not only what went wrong but also how to prevent it from happening again. I highly recommend Glenn and AllStar Heating and Air Conditioning to my family and friends and anyone who wants the best service in this line of work. Their prices are fair, and their customer service is hands down the best I’ve experienced in years. I'm truly grateful! God bless! 🥰
Jonnie S.
Jonnie S.
Called All Star today because our air conditioning unit was clunking and stop putting out cold air. I don't know anything about air conditioning repair but my cool air is on and that's what makes me happy. The reason for my review is because when I called they were very courteous over the phone and were on-time. The serviceman was respectful, clean and organized which I like to see in a company. I will use them again in the future for sure!
Rebecca D.
Rebecca D.
All Star maintained my aging AC unit for 4 years until it broke down, then replaced with a new system. They're an honest, hard-working local company. The repair charges always seemed reasonable. In other words, never felt they added extra items to bring up the bill. They responded quickly. Repairs were made within 24 hours. When I needed a new system All Star they were extremely helpful with information, and diligent in efforts to find a system to meet my house and budget needs. Finally, they pulled out all the stops to install the new system with one day's notice, as I had to leave town for emergency family care. I can't say enough about All Star's integrity, work ethic, knowledge and skill.
Meryl K.
Meryl K.
We just replaced the whole shebang (inside and outside units and furnaces). Lonnie and his crew were total professionals and got the job done for $7,000 less than what other folks quoted. We were totally impressed with the level of service we got and feel so fortunate we found them after having 3 other companies out for quotes and speaking to several others on the phone.
Dana K.
Dana K.
Best Air Conditioning Contractors in all of San Antonio! We called All Star out on one of the hottest days in summer when our A/C wasn't working. We thought for sure we were calling for an air conditioning installation of a new unit but Lonny came out and did an expert air conditioning repair which saved us a lot of money! Other companies would have given us a hard sell and tried to turn our predicament into a new air conditioning sales deal but All Star were honest, helpful and informative. Thanks guys, when the time does come for a new AC unit, we will call you for sure!
Eric D.
Eric D.
Unfortunately in the last week, I have had issues with my upstairs unit and then 5 days later my downstairs unit. I had used other Boerne based AC companies in the past but have found their wait times to be unbearable. Luckily, this time I found All Star. Gerald came out on the first trip within a few hours of the call and got our upstairs unit back up and working almost before the sun came up in the morning. Then today (a Sunday) the capacitor blew in the downstairs unit and he was here and the unit was blowing cold air probably within an hour of my call into them. I now have his cell number programmed into my phone and will be using All Star from this point forward.
Ronee G.
Ronee G.
I have used this company for about 3 years now and they have always promptly assisted me - good thing they are available 24/7 because it seems I always need assistance with my air conditioner at night. I replaced my a/c unit with them and so glad I did. They provide quality workmanship and courteous service. The techs are professional, very friendly and explain everything clearly. In addition, they are respectful of your property. I highly recommend this company to anyone needing a/c service.
Shelly G.
Shelly G.
We call All Star whenever we need AC work done. Lonnie and his crew are professional and courteous. We have several rentals and can count on All Star to show up promptly and send pictures of the problem and before and after photos! If no major repair is needed, it is not sold to us, and so I have and will continue to recommend them to others. When you find an Honest AC repair company, it is priceless!

The All Star Experience Starts Here

All Star Heating and Air Conditioning are San Antonio’s go-to experts for HVAC repair, installation, and maintenance services. Families, veterans, and local businesses depend on us to be professional, on-time, efficient, and reliable in keeping their homes and workplaces comfortable year-round—including evenings, weekends, and holidays.

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Real, Honest People

Talk with a human, not a robot. Call for a fair, honest, no-obligation quote from us before we start any work. And always, we will respect you and your property.

Fast, Same Day Service

We know how important it is to get your HVAC system up and running as soon as possible. That's why we're available 24/7 for professional assistance—even on holidays.

Licensed & Insured

We're proudly licensed and insured by the State of Texas. In addition to being highly-rated, trained technicians, we also offer warranties on parts, labors, and repairs.

Commitment to Quality

As a leading HVAC company in San Antonio, we set the bar for building long-term customer relationships, using premium brands and tools, and offering affordable prices.

Value You Can Trust

  • Local San Antonio HVAC Company
  • Serving Families & Businesses Since 2010
  • 24/7 Repair Services–No Extra Charge
  • Professionally Trained Expert Technicians
  • Fully Licensed & Insured
  • Exceptional Customer Satisfaction
  • Fast, Same Day Service Available
  • No Hidden or Unexpected Charges
  • No Bait & Switch Tactics
  • Hablamos Español
  • Financing Available
  • A+ BBB Certified

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