Four decades of Bay Area comfort.
Delcon HVAC started in 1986 with one truck and a simple promise: keep you warm in the winters, cool in the summers, and always be there when you need us. Nearly forty years later, that's still the whole job description.
1986
Serving the Bay
22
Cities covered
24/7
Emergency dispatch
100%
Upfront pricing
How we work
Straight answers
We tell you what's actually wrong, what it costs, and what can wait. No scare tactics, no surprise line items.
Craft over speed
Load calculations, sealed ductwork, proper commissioning. The invisible work is what makes a system last twenty years.
There when you need us
Nights, weekends, holidays. A no-heat call in January doesn't wait for business hours, and neither do we.
Neighbors, not accounts
Most of our work comes from people who've had us out before, or from someone they told about us.
From one truck to the whole Bay.
1986
The first truck
Delcon opens as a two-person furnace and sheet metal shop serving Bay Area neighborhoods one referral at a time.
1990s
Cooling comes home
Air conditioning goes from luxury to necessity across the Bay. We build out our residential install crews.
2000s
Commercial & refrigeration
Grocery, restaurant, and cold storage clients bring us into rooftop systems, walk-ins, and refrigeration specialties.
2010s
Efficiency & air quality
Heat pumps, duct sealing, filtration, and smart controls become the core of how we modernize older Bay Area homes.
Today
Design. Build. Maintain.
One team covering planning through lifetime maintenance, from Sacramento to Merced, San Francisco to Modesto.
Year-round care for $34.99 a month
A simple membership that keeps your system clean and your air fresh — and puts you first in line whenever you need us.
- Coil cleaning & filter changes, twice a year
- Duct cleaning before allergy season and before winter
- Priority service calls, day or night
- Member discounts on large repairs and replacements