Serving San Antonio since 1982 with 40+ years of excellence. Expert AC repair, installation, and heating services your family can trust.
Years Experience
Happy Customers
Star Rating
Emergency Service
Complete heating and cooling solutions
Fast diagnostics and repair for all AC brands. Same-day service available.
Energy-efficient systems with professional installation and warranties.
Furnace repair, heat pumps, and heating installation for winter comfort.
Preventive maintenance to extend system life and improve efficiency.
Air purifiers, duct cleaning, and humidity control for healthier air.
Round-the-clock emergency service when you need it most.
Since 1982, Mr. Erwin has been San Antonio's trusted name in HVAC. Four decades of experience means we've mastered every system and situation.
Fully licensed, bonded, and insured for your protection.
Four decades of trusted service to the San Antonio community.
Upfront pricing with no hidden fees. Free estimates on all work.
Based on 2,000+ reviews
"Been using Mr. Erwin for 15 years. The best in San Antonio!"
— Robert M., San Antonio
"Fast, professional, and fair pricing. Highly recommend!"
— Lisa T., Alamo Heights