
HVAC Services in San Antonio
Same-Day Heating & Cooling
20+ Years Family-Owned | Flexible Financing Options | 10-Year Warranty
At Air 1st Heating & Cooling, your comfort and trust come first. With 20+ years of family-owned expertise, we guarantee fast, reliable HVAC service—done right the first time, or you don’t pay.
"Great company to work with, very affordable and worth every penny of it in exchange for very responsive and great service. Air 1st gives us priceless peace of mind. " - Heralder O.
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
All-in-One HVAC Service Provider
HVAC Services in San Antonio
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"Technician was very professional and very knowledgeable and very good. I recommend this company."
- Gary P.
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"They were my hero, it's been a lil' over a month and we're just loving our new AC system."
- Arlene P.
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"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.
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"In less than 24 hours I scheduled a replacement and they came in and completely replaced my unit."
- IB.
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) 880-2214


HVAC Repair & Maintenance Services San Antonio
HVAC Servicing
Keep your system running at its best. Our professional HVAC servicing prevents breakdowns, boosts efficiency, and extends the life of your equipment—saving you time, stress, and energy costs all year long.
"The repair specialist did a great job getting the air working again. He was very professional. Fernando is one of the best repair professionals I ever dealt with."
- Fredrick J.
Residential HVAC Services San Antonio
Residential HVAC
Comfort starts at home. Whether it’s heating, cooling, or routine maintenance, our certified technicians deliver dependable HVAC service to keep your home cozy in the winter and cool in the summer—without breaking the bank.
"Air1st has fair pricing and great work!! Rolando is thorough and caring!! Great people to have work for you"
- Gloria D.


Commercial HVAC Services San Antonio
Commercial HVAC
Reliable climate control for your business. From office buildings to retail spaces, we provide efficient, cost-effective HVAC solutions tailored to your commercial needs. Keep your team and customers comfortable year-round with expert service you can count on.
"Mike and Homer provide friendly service with smile. Taking care of customers just in one call. I am very happy to work with Air 1st heating & cooling."
- Mike P.

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.
Why Choose Air1st Heating and Cooling?
We Provide An Unbeatable Service
✅ Honest HVAC Pricing
Premium service without premium prices—exceptional value tailored to your budget.
✅ No Hidden Fees
No surprises here. The price we quote is the price you pay—plain and simple.
✅ 24/7 Emergency Support
Your comfort can’t wait. We’re on-call day and night, ready when you need us most.
✅ Expert Technicians
Certified pros who get it right the first time—with a friendly, respectful approach.
✅ Hablamos Español
Clear communication, no barriers—our bilingual team proudly serves our Spanish-speaking community.
✅ Flexible Scheduling
We’ll work with your schedule, offering flexible service windows that fit your life.
Get in Touch
5312 Rittiman Road, San Antonio
Texas, 78218
(210) 880-2214
"Great work and very thorough. Micheal is very knowledgeable and explains what he is doing and what I need to keep my air conditioner efficient."
- Martha G.