Top-Rated HVAC Installer in San Antonio
Comfort All Year Round Starts with the Right HVAC System
Enjoy reliable comfort in every season with professional HVAC installation done right the first time. Our expert team ensures your new system is perfectly sized, efficiently installed, and built to last—maximizing performance while keeping energy costs low. From helping you choose the right unit to providing ongoing support, we make sure your home stays comfortable year-round without the hassle.
"Air 1st installed units 9 years ago in our new construction and serviced them ever since. Rarely more than same-day and always less than 24 hours. Prices are always fair and reasonable. So far same technician for years with great knowledge of our units." - John K.
Made In
San Antonio
Established in 2007
25,000+
HVAC Systems Installed/Repairs
4.9 Stars
164+ reviews on Google
HVAC Installation Services in San Antonio
HVAC Installation You Can't Beat
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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.
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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.
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
Is It Time To Intall a New HVAC System?
At Air1st Heating & Cooling, we specialize in professional HVAC installation to keep your home comfortable year-round. Whether you’re upgrading an old system or installing a new one, our certified technicians ensure your HVAC is sized, installed, and calibrated for maximum efficiency and reliability.
You might need a new HVAC installation if:
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Your current system is old, inefficient, or frequently breaking down
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You’re building a new home or addition
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You want lower energy bills with a high-efficiency system
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Your home has uneven heating or cooling
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You need modern controls like a smart thermostat
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You’re ready to replace a system that’s beyond repair
Don’t wait to improve your comfort— call now to schedule a HVAC installer: (210) 880-2214
Technician was very professional and very knowledgeable and very good. I recommend this company.
Gary Perez
2025-07-15
Very professional and friendly technician who went over everything with me about my 10 year old HVAC unit inside and out I definitely recommend this company
Yolanda Holmes
2025-06-28
It was 95 degrees in my house. I called Airfirst, and they put me on their schedule that same day. Their technicians were informative, professional, and got my ac back up and running! I highly recommend them for your AC needs
Kandice Lauderdale
2025-06-28
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.
✅ Licensed Experts
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.
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.