HVAC companies in Ontario, CA 91761
11 HVAC companies, with local market data for this ZIP.
General contractors 95Other construction trades 27HVAC 11Roofing and exteriors 11Remodeling 9Concrete and masonry 8Carpentry, drywall and windows 6Painting 6Electricians 6Garage doors 5Flooring and tile 5Fences and decks 5Excavation and demolition 3
Area profitability, HVAC75 / 100Strong market, balanced field
Typical home value$679,000−1.0% in the past year
New homes permitted, 20256,240San Bernardino County
Homeowners69.3%17,807 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Air Control SpecialtiesHVAC contractor · 1609 S Grove Ave Ste 116, Ontario(909) 947-0535 · aircontrolspecialties.com · 1 driver, 1 truck
Air Control SystemsHVAC contractor · 1940 S Grove Ave, Ontario(909) 786-4230 · aircontrolsystems.com · 6 drivers, 6 trucks
Amcot Cooling Tower Co.HVAC contractor · 350 N Ponderosa Ave, Ontario(909) 390-2598 · amcot.com
Attic ControlHVAC contractor · 3045 S Archibald Ave, Ontario(888) 959-6421 · atticcontrol.com
Diamond Air ServicesHVAC contractor · 1630 E Francis St, Ontario(909) 713-6644 · diamondairhvac.com
MacawesomeHVAC contractor · 4375 E Lowell St Ste N, Ontario(909) 333-4004 · myairsystem.com
Macawsome Heating & CoolingHVAC contractor · 4375 E Lowell St Ste N, Ontario(909) 333-4004 · macawsome.com
Magnison and Moen, Inc.HVAC contractor · 1701 S Vineyard Ave, Ontario(909) 947-3187 · magnisonandmoen.com
My Air System Heating & Air ConditioningHVAC contractor · 4035 E Guasti Rd #304, Ontario(909) 333-4004 · myairsystem.com
NexGen HVAC & PlumbingHVAC contractor · 1428 S Grove Ave Unit B, Ontario(909) 487-5060 · nexgenairandplumbing.com
Polar TechnologyHVAC contractor · 747 E Francis St, Ontario(909) 673-0535 · refrigerantauthority.com
Rsd Total ControlHVAC contractor · 1933 S Vineyard Ave, Ontario(909) 930-5552 · rsd.net
HVAC in ZIP 91761 at a glance
Local building angle: San Bernardino County permitted 6,240 new homes in 2025, including 2,349 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.