Sun Tech Air Conditioning
Trusted Korean-American HVAC Experts

Stay Cool. Stay Comfortable. Stay Local

Welcome to Sun Tech Air Conditioning, your friendly neighborhood HVAC pros serving LA County, Orange County, and San Bernardino County. We're a family-owned, Korean-American business that believes in honest work, fair pricing, and fast high quality service. No games, no upsell, just great HVAC work.
Cash, Checks, Cards accepted.

Whether your AC's blowing hot air, your heater's given up, or you've got an outdoor even that needs heating or cooling, we've got your back.

Why Choose Sun Tech?

35+ Years of Experience - We have years of experience to diagnose your issue
Licensed & Insured - Professionally backed
Bilingual Service (한국어) - Talk to us in Korean or English. Fluent in both
On Time - We show up on time and clean up after ourselves
Fair Prices - No nonsense. Good work, good prices

What We Do

Air Conditioning Installation & Repair - Central Air, Mini Splits, Ductless Systems
Heating System Services - Furnace repairs, replacements
Outdoor Event Cooling Rentals - Fans, Evaporative Coolers, and Heaters for weddings, church events, and school fairs

"I would use Sun tech again. Good prices. Good AC. Kind service."

- Joshua Park, Fullerton

Thank you for considering Sun Tech Air Conditioning for your heating and cooling needs