HVAC companies in Diamond Bar, CA 91765
4 HVAC companies, with local market data for this ZIP.
General contractors 18HVAC 4Roofing and exteriors 3Garage doors 2Remodeling 2Fences and decks 1Concrete and masonry 1Other construction trades 1Flooring and tile 1
Area profitability, HVAC70 / 100Strong market, balanced field
Typical home value$1,011,000+1.5% in the past year
New homes permitted, 202522,250Los Angeles County
Homeowners77.5%15,420 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Budget Air Conditioning & HeatingHVAC contractor · 1249 S Diamond Bar Blvd, Diamond Bar(626) 915-6661 · budgetairandheat.com
Honest Pro Air Conditioning & Heating - HVACHVAC contractor · 324 S Diamond Bar Blvd, Diamond Bar(909) 990-7996 · honestproair.com
Mike's Heat & Air ConditioningHVAC contractor · 22839 Dry Creek Rd, Diamond Bar(909) 396-4489 · mikesac.com
Service WizardsHVAC contractor · 516 N Diamond Bar Blvd, Diamond Bar(909) 614-4045 · diamondbarairconditioning.org
HVAC in ZIP 91765 at a glance
Local building angle: Los Angeles County permitted 22,250 new homes in 2025, including 10,633 apartment units. 4% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.