Top Rated Hvac Contractors Serving Castro Valley, CA

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 Castro Valley including 94546 and 94552. These heating and air conditioning experts provide mini splits and indoor air quality, and they also work on HVAC repairs, ventilation systems and heating system installations. 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 Nov 20, 2023
148,521 people sourced companies in Heating & Air Conditioning
12,832 Verified Heating & Air Conditioning Customers Surveyed

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Service Champions

Service Champions is a leading provider of premier home services in Northern California. The company’s expertise includes heating, cooling, insulation...

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Main Services

Air Duct Cleaning

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Heating & Air Conditioning

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Air Quality - Indoor

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Insulation

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Additional Services

Furnaces and Air Conditioners, Ductwork, Electrical, Water Heaters, Water Filtration, Air Scrubbers, Air Filtration

Coverage Areas

East Bay, South Bay, Sacramento Areas

Residential Only

Weekend Hours

Free Estimates

Live Phone Call Answers

Diamond Certified Video Profile

Diamond Certified Company Report

owner Name

Kevin Comerford, Owner

Expert Contributions

3574
Rating Surveys

33
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(888) 292-8914

Hours CLOSED NOW

License:

817040

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Moore Mechanical Heating & Air Conditioning

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

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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

Coverage Areas

Contra Costa County, Alameda County

Established in 1985

Residential & Commercial

Weekend Hours

Appointments Available

Diamond Certified Video Profile

Diamond Certified Company Report

owner Name

Jesse Casey, Regional Manager

Expert Contributions

491
Rating Surveys

11
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(925) 517-6222

Hours CLOSED NOW

License:

1085045

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AIS Heating & Air Conditioning

AIS Heating & Air Conditioning installs and repairs all types of HVAC systems for residential and commercial clients in Santa Clara, San Mateo, Contra...

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Main Services

Heating & Air Conditioning

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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

Brands

Bryant

Coverage Areas

The Greater Bay Area

Family Owned

Established in 2008

Residential & Commercial

Free Quotes & Consultations

Diamond Certified Video Profile

Diamond Certified Company Report

owner Name

Daniel A. Sojkic, Owner

Expert Contributions

250
Rating Surveys

10
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 431-2768

Hours CLOSED NOW

License:

919756

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Hassler Heating & Air Conditioning, LLC

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

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Home Energy Auditor

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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

Carrier , Amana

Coverage Areas

Alameda County, Contra Costa County, Marin County

Family Owned

Established in 1999

Residential & Commercial

Financing Available

Diamond Certified Video Profile

Diamond Certified Company Report

owner Name

Tim Hassler, General Manager

Expert Contributions

238
Rating Surveys

28
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 400-5759

Hours CLOSED NOW

License:

770180

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Hometown Heating & Air Conditioning

Hometown Heating & Air Conditioning provides repair and maintenance work on all central heating and air conditioning units. The family-owned and opera...

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Main Services

Air Quality - Indoor

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Heating & Air Conditioning

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Additional Services

Installation, Maintenance & Repair of HVAC Systems, Electrostatic Filtration, Safety Inspections & Energy Audits, Dryer Vent Cleaning, Smoke & Carbon Monoxide Detectors

Brands

American Standard , Bryant , Carrier , Honeywell , Lennox , Payne , TLC , Trane

Coverage Areas

Contra Costa County Alameda County, Solano County

Family Owned

Emergency 24/7

Residential Only

Appointments Available

Diamond Certified Video Profile

Diamond Certified Company Report

owner Name

Brian Waskow, Owner

Expert Contributions

432
Rating Surveys

32
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 456-0082

Hours CLOSED NOW

License:

1005143

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Perfect Star Heating and Air Conditioning

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

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Air Quality - Indoor

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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

Coverage Areas

Alameda County, Contra Costa County

Family Owned

Emergency 24/7

Senior Discount

Residential Only

Diamond Certified Video Profile

Diamond Certified Company Report

owner Name

Chris Donzelli, Owner

Expert Contributions

321
Rating Surveys

13
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 244-4356

Hours CLOSED NOW

License:

1022101

Learn how to choose a Heating & Air Conditioning and more…

Diamond Certified Hvac Contractors Serve These Castro Valley ZIP Codes

94546, 94552

Diamond Certified Hvac Contractors In Castro Valley

Diamond Certified hvac contractors serving Castro Valley are rated an average of 4.5 out of 5 stars based on 5357 reviews of 78 rated hvac contractors.
Diamond Certified hvac contractors in Castro Valley Avg. Star Rating.

article photo

Castro Valley was founded in 1857, and today, your 63,948 neighbors enjoy go-karting, oyster shucking, walking tours, beach outings and rock climbing. Castro Valleyans use Diamond Certified HVAC contractors for ductless heating and cooling systems, HVAC repairs, heating, HVAC installation, heating system installations, and more.

Frequently Asked Questions for Heating & Air Conditioning in Castro Valley, CA

Q: What are clients of Diamond Certified hvac contractors saying about contractors in Castro Valley, CA?

A: Verified Service Champions Customer, one of 2575
"They got everything done quickly. The pricing was good." -Jennifer H.
All Survey Responses for Service Champions
Verified Hometown Heating & Air Conditioning Customer, one of 432
"They provide regular servicing and always do a good job. They are very prompt and clean." -Jim N.
All Survey Responses for Hometown Heating & Air Conditioning
Verified Moore Mechanical Heating & Air Conditioning Customer, one of 491
"They were very polite, helpful, did a very nice job and were pleasant and smart. I would recommend them to anyone. Very polite and knowledgeable" -Lila M.
All Survey Responses for Moore Mechanical Heating & Air Conditioning
Verified Hassler Heating & Air Conditioning, Inc. Customer, one of 238
"They delivered on time and they were reasonable. They had excellent service and recommendations for what to do. Their customer service was very good." -Susan C.
All Survey Responses for Hassler Heating & Air Conditioning, Inc.
Verified AIS Heating & Air Conditioning Customer, one of 250
"They do a good job. They came in and they did what they said they would do. That is really all I look for when someone comes in to do a job." -Michael B.
All Survey Responses for AIS Heating & Air Conditioning

Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Castro Valley residents?

A: Diamond Certified hvac contractors use top-quality brands like Trane, American Standard, LG Electronics, Bryant and Panasonic.

Q: What types of HVAC repairs do hvac contractors offer?

A: HVAC contractors typically offer a variety of indoor air quality services, such as furnace and air conditioner maintenance, duct cleaning and sealing, air purification systems, dehumidifier and humidifier installation, and air balancing. These services help to improve indoor air quality by reducing airborne contaminants, controlling humidity, and increasing airflow. Additionally, HVAC contractors can install and maintain whole home air purification systems to help reduce the amount of pollutants like mold, bacteria, pollen, and dust.

Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get mini splits in Castro Valley?

A: Yes, Diamond Certified HVAC contractors can work with Carrier products and similar items to install mini splits in Castro Valley.

Q: What did people search for when they wanted to find the best quality hvac contractors in Castro Valley?

A: Heat Pump Repair
Heating System Installations
Air Conditioning
Hvac Replacement
Hvac Upgrades

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