San Antonio's HVAC Providers
Air1st Heating and Cooling
Welcome to Air 1st Heating & Cooling—your trusted, family-owned HVAC company proudly serving the community with care and dedication. With over 20+ years of industry experience, we understand the importance of reliable, personalized service. Our mission is to keep your home or business comfortable year-round, with honest workmanship, fair pricing, and unmatched professionalism. Whether it’s the peak of summer or the chill of winter, your comfort is our priority.
Give us a follow.
4.9 Stars
We take pride in providing our customers top-quality service.
20+ Years
We are a local family-owned service that takes pride in our work.
Same-Day
Same-day services, promotions, and 10-Year Warranty
SERVICE AREAS
✔️ BOERNE, TX
✔️ BLANCO, TX
✔️ CASTROVILLE, TX
✔️ CONVERSE, TX
✔️ HELOTES, TX
✔️ LA VERNIA, TX
✔️ LYTLE, TX
✔️ PLEASONTON, TX
✔️ SEGUIN, TX
✔️ SAN MARCOS, TX
✔️ SOMERSET, TX
✔️ San Antonio, TX
✔️ NEW BRANFUELS, TX
Don't see your city? Call us to find out if we offer services in your location.
Call Us at: (210) 661-3215
What We Do
Providing HVAC Excellence.
We offer a full range of heating and cooling services tailored to your needs. From new system installations and seasonal maintenance to fast, reliable repairs and full replacements—our certified technicians are committed to delivering top-quality work and exceptional customer care every time. No shortcuts, no hidden fees—just trusted HVAC solutions built to last.
"The only company I use for new construction, remodelling, and at my own house. I recommend them to my friends and family as well. Mike is an awesome technician and great to deal with." - Matt H.
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"Technician was very professional and very knowledgeable and very good. I recommend this company."
- Gary P.
"They were my hero, it's been a lil' over a month and we're just loving our new AC system."
- Arlene P.
"Mike was so helpful and explained so much about what was going on with our house. We really appreciate his attention to our home."
- Andrea R.
"In less than 24 hours I scheduled a replacement and they came in and completely replaced my unit."
- IB.
We Offer Accessible Pricing
Worried About Costs?
We believe comfort should be accessible to everyone—that’s why we offer flexible financing options to fit your budget. We’re also proud to support our community with special discounts for military personnel and seniors, helping you save while staying comfortable year-round.