If you really care about choosing a quality hvac contractor, we’re here for you. Here’s your access to the best hvac contractors serving Fremont including 94536, 94538, 94539, 94555 and 94537. These heating and air conditioning experts provide cooling system installations and AC tune ups, and they also work on HVAC ductwork, HVAC repairs and heat pump repair. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.
Last Updated Feb 18, 2025
148,521 people sourced companies in Heating & Air Conditioning
16,331 Verified Heating & Air Conditioning Customers Surveyed
AIS Heating & Air Conditioning installs and repairs all types of HVAC systems for residential and commercial clients throughout the Greater Bay Area. ...
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Main Services
Heating & Air Conditioning
Air Quality - Indoor
Additional Services
Heating and Air Conditioning Installation, Service, and Maintenance, Indoor Air Quality, Energy Audits, Heat Pump Systems, Heat Pump Water Heater Maintenance and Repair
Hassler offers full HVAC services including maintenance, repairs, water heaters, ductless, full system replacements, and heat pump conversions. Starti...
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Main Services
Heating & Air Conditioning
Home Energy Auditor
Additional Services
Central Ducted Heat Pump, Ductless Mini-Split Heat Pump, Water Heater (Standard, Tankless, Heat Pump, Electric Resistance), Furnace, and A/C Installations and Repairs, Home Energy Assessments and Home Energy Score (HES) Assessments, Energy Upgrade Measures (Building Shell)
Brands
Bosch, Carrier, Mitsubishi, Navien, Rheem Water Heaters
Hometown Heating & Air Conditioning provides repair and maintenance work on all central heating and air conditioning units. The family-owned and opera...
Moore Mechanical Heating & Air Conditioning provides a wide range of HVAC services for residential and commercial clients in Alameda and Contra Costa ...
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Main Services
Heating & Air Conditioning
Heat - Radiant
Additional Services
Heating & Air Conditioning System Replacements & Repairs, Radiant Heating, Ductless Mini Split Repairs & Installations, Ductwork Design Services, Repairs & Installations, Home Performance Evaluations, Annual HVAC Maintenance Programs, Commercial HVAC Repairs & Installations, Indoor Air Quality Diagnostics & Upgrades, Ventilation System Repairs & Installations, Whole House Fan Installations, Attic Ventilation Systems, Air Purification Systems, VRF Systems, Combustion Appliance Zone (CAZ) Tests, Residential & Commercial Heat Pump Water Heaters, Backup Residential Generator Installations, Electrical Panel Upgrades, Including Span Panels, New Residential Electrical Circuit Installations, Including Hot Tubs, Pool Pumps & Electric Vehicle Charging Stations, Generators & Generator Transfer Switches
Brands
Carrier, Rheem, Mitsubishi, York, Ruud, Bryant, Bradford White, SANCO2, Harvest Thermal, Noritz, Navien, American Standard, A. O. Smith
Perfect Star Heating and Air Conditioning is a locally owned and operated family business that provides a wide range of HVAC services for residential ...
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Main Services
Heating & Air Conditioning
Air Quality - Indoor
Additional Services
Indoor Air Quality, Heating and Air Conditioning Repair, Maintenance, Replacement, and Installation, Ductwork Repair, Sealing and Installation, Perfect Star Membership Maintenance Program (Members Receive Priority Service), Zoning, Air Filtration Installation
Brands
Lennox, Daikin, Amana, American Standard, Bryant, Carrier, Honeywell, Trane
Service Champions is a premier provider of home services in Northern California. The company's expertise includes heating, cooling, plumbing, electric...
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Main Services
Air Duct Cleaning
Heating & Air Conditioning
Air Quality - Indoor
Insulation
Additional Services
Furnaces and Air Conditioners, Ductwork and Insulation, Electrical, Plumbing, Water Filtration, Air Filtration
Diamond Certified Hvac Contractors Serve These Fremont ZIP Codes
94536, 94538, 94539, 94555, 94537
Diamond Certified Hvac Contractors In Fremont
Diamond Certified hvac contractors serving Fremont are rated an average of 4.5 out of 5 stars based on 5524 reviews of 78 rated hvac contractors. Diamond Certified hvac contractors in Fremont Avg. Star Rating.
Fremont was founded in 1956, and today, your 235,000 neighbors enjoy comedy shows, pickleball, mud baths, painting and karaoke. Fremontians use Diamond Certified HVAC contractors for air conditioning, HVAC troubleshooting, air filtration, thermostat installation, HVAC ductwork, and more.
Frequently Asked Questions for Heating & Air Conditioning in Fremont, CA
Q: What are clients of Diamond Certified hvac contractors saying about contractors in Fremont, CA?
Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Fremont residents?
A: Diamond Certified hvac contractors use top-quality brands like Panasonic, Goodman, Napoleon, Daikin and Armstrong Air.
Q: What types of heating system installations do hvac contractors offer?
A: HVAC contractors offer a variety of upgrades, including replacing old units with more energy-efficient models, installing new thermostats, and adding zoning systems to adjust the temperature in certain areas. They can also install ductless systems, air purifiers, and ventilation systems to improve the air quality in your home. Finally, hvac contractors can also inspect and maintain existing systems to ensure they are functioning properly.
Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get cooling system installations in Fremont?
A: Yes, Diamond Certified hvac contractors in Fremont can work with Carrier products and similar items to provide cooling system installations.
Q: What did people search for when they wanted to find the best quality hvac contractors in Fremont?
Fremont is our home and we love it! Here you’ll find the best spots to revisit, the Fremont events schedule, local social media links, stories of our Fremont area unsung heroes and much more. Connect with your neighbors and share what you love about our hometown. Plus, join us as a Fremont Diamond Certified Preferred Member (always free).
This view from the Fremont Hills shows Fremont’s cityscape at sunset. Photo: Feng
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