HVAC companies in San Marcos, CA 92078
4 HVAC companies, with local market data for this ZIP.
General contractors 32Roofing and exteriors 10Remodeling 9Other construction trades 6Concrete and masonry 6Flooring and tile 5Carpentry, drywall and windows 4Electricians 4HVAC 4Garage doors 3Fences and decks 2Painting 2Excavation and demolition 1
Area profitability, HVAC76 / 100Strong market, balanced field
Typical home value$1,040,000+0.5% in the past year
New homes permitted, 202511,707San Diego County
Homeowners72.0%18,327 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Home Run Heating and AirHVAC contractor · 1219 Linda Vista Dr, San Marcos(760) 290-4554 · homerunair.com
Mark Curry - We Care Heating & Air Comfort AdvisorHVAC contractor · 445 Ryan Dr, San Marcos(760) 571-0861 · wecareteam.com
Oak Island Heating & Air ConditioningHVAC contractor · 445 Ryan Dr Unit 101, San Marcos(760) 334-5747 · oakislandac.com
Sherlock Heating & Air Conditioning, Inc.HVAC contractor · 1355 Grand Ave Ste 100, San Marcos(760) 295-5014 · sherlockair.com
We Care - San MarcosHVAC contractor · 445 Ryan Dr # 101, San Marcos(760) 798-3665 · wecareteam.com
HVAC in ZIP 92078 at a glance
Local building angle: San Diego County permitted 11,707 new homes in 2025, including 7,311 apartment units. 46% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.