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2024

Last updated:

Best HVAC & Furnace Repair Services in Sunnyvale

Our Recommended Top 18

We did the research for you!

  • Licensing
  • User Reviews
  • Mystery Shopping Calls

Our goal is to connect people with the best local professionals. We scored Sunnyvale HVAC & Furnace Repair Services on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

52

Reviewed

38

Curated

18

Top Picks

Learn about our selection process.

Providers

featured provider = Featured Provider

Website
1752 junction ave suite B, San Jose, CA 95131
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Thermostats

Why choose this provider?

Hussey Bros. is a specialist in residential air conditioning repair services near Sunnyvale. The company's technicians can also repair a wide range of furnaces, boilers, and water heaters manufactured by the industry's biggest brands. The company is an Amana dealer, holding most of the brand's range of HVAC systems, as well as being a specialist in installing Mitsubishi's ductless mini-split systems. Its additional services include residential indoor and outdoor plumbing and electrical.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.5
Yelp
4.0 / 5 (45)
Google
4.9 / 5 (35)
HomeAdvisor
4.8 / 5 (30)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
2652 Research Park Drive, Soquel, CA 95073
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Boilers
  • 24/7

Why choose this provider?

Bellows Plumbing, Heating, & Air offers air conditioning repair services near Sunnyvale. Technicians focus on residential HVAC duties, such as replacing AC filters and maintaining existing machinery. Bellows installs and services heat pumps, radiant heating systems, air handlers, ductless mini-split air conditioners, and furnaces. The company also cleans air ducts and evaporator coils to improve system efficiency. The technicians install whole-home air purification systems that remove dust, bacteria, and mold from indoor air.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.8
Google
4.9 / 5 (789)
Yelp
4.5 / 5 (219)
HomeAdvisor
5.0 / 5 (55)

(+2 additional sources)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
71 Glenn Way, San Carlos, CA 94070
  • Air Conditioning
  • Furnaces
  • Duct Work

Why choose this provider?

Family-owned and operated Techpro Builders has provided heating and air conditioning services to the Sunnyvale area since 2005. Services include the repair and installation of mini-split systems and heat pump solutions. Techpro Builders is experienced in city codes, inspections, and permitting. It is HOA friendly and focused on sanitary practices. Technicians are trained, licensed, and insured. Additional services include pairing solar panels with heat pump options to provide an environmentally friendly solution.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.5
Yelp
4.5 / 5 (137)
Google
4.5 / 5 (24)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
3.8
Responsiveness
Friendliness
Helpfulness
Detail
––

Website
6122 Camino Verde Dr Ste 15, San Jose, CA 95119
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Duct Work
  • Carrier

Why choose this provider?

72 Degrees Cooper Brothers is a heating, ventilation, and air-conditioning contractor in San Jose that listens to the clients’ needs and “responding to them with passion.” The owner applies industry insights from his more than two decades of professional experience, and he and his team commit to respecting the law, the site, the customer, the community, and the environment. The crew consists of seasoned, background-checked, and drug-tested installation and repair personnel, and some of the tasks are indoor air quality inspection and enhancement, duct cleaning and sealing, furnace troubleshooting, and packaged A/C replacement. 72 Degrees Cooper Brothers gives money-back, “property protection,” and “no lemons” guarantees, and it runs a preventive maintenance program. The shop rewards customers who refer their family and friends, and its website contains information on the latest deals.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.5
Yelp
4.5 / 5 (108)
Facebook
5.0 / 5 (2)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
4.5
Responsiveness
Friendliness
Helpfulness
Detail

Website
Sunnyvale, CA
  • Air Conditioning
  • Furnaces
  • 24/7
  • Carrier
  • Trane

Why choose this provider?

Same Day Air Conditioning & Heating offers residential and commercial HVAC repair services in Sunnyvale. Its technicians provide air conditioning repair solutions for leaking refrigerants or frozen condenser coils, delivering 24-hour repair services. They also work on air conditioning installation in new construction and replacement of existing systems. The company offers air conditioning annual maintenance to remove dirt and debris that has built up. Same Day Air Conditioning & Heating also works on thermostat maintenance and installation.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.6
Google
4.3 / 5 (174)
Yelp
5.0 / 5 (124)
HomeAdvisor
4.8 / 5 (34)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
78 Dorman Avenue, San Francisco, CA 94124
  • Air Conditioning
  • Furnaces
  • Tune Up
  • 24/7

Why choose this provider?

Cabrillo Plumbing, Heating and Cooling was founded in 1961 to provide heating and air conditioner repair services near Sunnyvale, operating every hour of every day for residential customers throughout the surrounding cities. The company's technicians routinely repair an array of furnaces, air conditioners, and other parts of HVAC systems designed by companies such as Carrier and Trane. They also maintain systems to ensure they always operate efficiently and install most of the systems offered by the major brands.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Facebook
5.0 / 5 (26)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
261 Moffett Boulevard, Mountain View, CA 94043
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Duct Work
  • Central Air

Why choose this provider?

Calvey Heating & Air is a family-owned and operated business that specializes in air conditioner installation services near Sunnyvale and the greater Bay Area. The company's technicians are trained to install the HVAC systems of six of the country's biggest brands, including Trane, Bryant, and Honeywell. They're also experienced in maintaining most brands' systems and carry quality parts in their vehicles to replace broken parts that they can't repair, such as evaporator coils and thermostats.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Yelp
5.0 / 5 (352)
Angi
4.9 / 5 (26)
Google
4.8 / 5 (22)

(+1 additional source)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
2536 Pulgas Avenue, East Palo Alto, CA 94303
  • Air Conditioning
  • Furnaces
  • Boilers
  • 24/7

Why choose this provider?

Palo Alto Plumbing Heating Air is a family-owned and operated business that has provided 24-hour HVAC and furnace repair solutions to its residential and commercial customers in Sunnyvale since 2000. Its experts troubleshoot humidifiers, heat pumps, and gas furnaces for damage, and then fix or refurbish them. The company's scheduled maintenance services include duct cleaning and system tune-ups. The staff at Palo Alto Plumbing Heating Air also installs new air purifiers, thermostats, and ductless systems.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.0
Yelp
4.0 / 5 (146)
Google
3.9 / 5 (33)
Facebook
4.6 / 5 (15)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
San Jose, CA 95118
  • Air Conditioning
  • Tune Up
  • Thermostats
  • Boilers

Why choose this provider?

Best HVAC Repair Service is a reliable provider of heating and cooling solutions in San Jose that caters to commercial and residential customers throughout the city. The company helps transform interior spaces into comfortable and eco-smart living and working environments, and it also enhances the indoor air quality to eliminate health risks borne by dust, pollen, animal dander, and similar particles. Best HVAC Repair Service is a factory-authorized dealer of superior Carrier products, although it handles all makes and models, and it offers convenient financing terms and generous discounts. The shop is a licensed, insured, and bonded establishment, and it holds a United States Environmental Protection Agency approval. All installation, troubleshooting, and maintenance personnel have years of combined professional experience, as well as North American Technician Excellence certifications.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.8

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
1872 Latham Street, Mountain View, CA 94041
  • Air Conditioning
  • Furnaces

Why choose this provider?

Your Appliance Repair has offered residential and commercial customers in the Sunnyvale metro area HVAC and other appliance repair services since 2010. It specializes in fixing existing equipment, and its experienced technicians can repair all makes and models of heating and cooling systems. The company services a wide range of brands, including Amana, General Electric, Admiral, and LG. Your Appliance Repair provides multiple warranty options and accepts all major credit cards.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.5

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
2.8
Responsiveness
Friendliness
Helpfulness
Detail
––

Website
2225 East Bayshore Road, Palo Alto, CA 94303
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Duct Work

Why choose this provider?

Attic Crew is a family-owned business with many years of experience in air conditioner installation services near Sunnyvale and the wider area. The company is an authorized dealer of Bryant and Mitsubishi Electric HVAC systems, ensuring that its technicians are factory trained to install and maintain the brands' entire range of products. The technicians also repair HVAC systems manufactured by other industry leaders and specialize in insulating cavity walls and clearing attics of rodents.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Yelp
5.0 / 5 (320)
HomeAdvisor
4.9 / 5 (15)
Thumbtack
4.7 / 5 (9)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
3.8
Responsiveness
Friendliness
Helpfulness
Detail
––

Website
1661 Industrial Road, San Carlos, CA 94070
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Thermostats
  • Duct Work
  • Trane

Why choose this provider?

Alternative HVAC Solutions offers commercial and residential air conditioning repair services near Sunnyvale. The company's technicians are factory-trained in an assortment of products manufactured by leading brands, such as Carrier and Trane. For both business and home settings, the contractors specialize in selecting the best system design to suit the space. Commercial jobs may take place in retail malls and office buildings. General HVAC services include system design, testing, preventative maintenance, installation, and upgrades.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.0
Yelp
4.0 / 5 (44)
Google
4.1 / 5 (12)
Facebook
5.0 / 5 (1)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
Sunnyvale, CA 94085
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Thermostats
  • Duct Work
  • Central Air
  • 24/7

Why choose this provider?

Around the Clock Services is one of the most revered providers of HVAC and plumbing solutions in Sunnyvale. The firm is a local business that has been satisfying Bay Area customers since 1968, and it lives up to its name by delivering quality repairs 24/7. The team promotes environment-friendliness by advising clients how to make their homes and offices eco-smart without sacrificing comfort, and it also helps with indoor air quality enhancement to keep interior environments safe from dust, smoke, pollen, and similar health hazards. Around the Clock Services gives senior discounts, and it welcomes inquiries about parts and labor warranties, maintenance packages, financing plans, and seasonal deals. Some of the tasks are checking furnaces for gas leaks, adjusting the burner assembly, replacing disposable air-conditioning unit filters, cleaning ducts, and unclogging drains.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.3
Yelp
4.0 / 5 (36)
Google
4.6 / 5 (26)
Angi
4.3 / 5 (20)

(+1 additional source)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
P.O. Box 24899, San Jose, CA 95154
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Central Air

Why choose this provider?

Shepherd's Plumbing, Heating & Air Conditioning is a small business founded in 2015 to assist people in need of air conditioner repair services near Sunnyvale. The company exclusively serves residential customers and deals with repairs to most makes and models manufactured by the leading brands. Its technicians also carry a wide range of parts in their vehicles to replace those that can't be repaired. Additionally, they install and maintain an array of HVAC systems, including gas log and radiant floor systems.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Google
5.0 / 5 (79)
Yelp
5.0 / 5 (5)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
San Carlos, CA 94070
  • Air Conditioning
  • Furnaces
  • Boilers

Why choose this provider?

10x Repair Services offers residential and commercial HVAC repair services to communities in the greater Sunnyvale area. Its technicians use cutting-edge equipment and techniques during the diagnosis, repair, and replacement of various brands and models of heating and cooling equipment, including furnaces, air conditioners, and water boilers. They also assist with the complete installation of new units and preventative maintenance. Plus, 10x Repair Services handles air duct cleaning and refrigeration repairs.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.7
Thumbtack
4.8 / 5 (112)
Yelp
4.5 / 5 (111)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
442 Cirrus Avenue, Sunnyvale, CA 94087
  • Furnaces

Why choose this provider?

MYC Appliance Repair provides residential customers with air conditioning and heating services in the Sunnyvale area. The company's certified technicians repair all types of air conditioning units, including window, mini split, packaged, and portable systems. They handle furnace repairs and repairs of heat pump, wall, central warm air, modulating, and single- and two-stage systems. MYC Appliance Repair has same-day appointments available. The company also services refrigerators, microwaves, cooktops, and other household appliances.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Yelp
5.0 / 5 (150)
Google
5.0 / 5 (19)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
Sunnyvale, CA 94087
  • Air Conditioning
  • Furnaces
  • Tune Up
  • Boilers
  • Carrier
  • Trane

Why choose this provider?

A&A Plumbing is one of the most revered mechanical contractors in Sunnyvale. The firm is an insured, bonded, and state-licensed business that has been helping the community and local industry thrive since 1947, and it has the resources to provide a complete satisfaction guarantee to residential and commercial clients throughout the southern part of the San Francisco Bay Area. The company strives to do the job right every time, and it commits to paying attention the clients’ specific goals and requirements. The crew consists of competent and trustworthy professionals, and some of the tasks are indoor air quality enhancement, geothermal and ground source energy system installation, and plumbing repairs. A&A Plumbing has maintenance options, and it can prepare Title 4 heat loss calculations and reports. The staff gives senior discounts.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.0
Yelp
4.0 / 5 (100)
Facebook
5.0 / 5 (1)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
4.8
Responsiveness
Friendliness
Helpfulness
Detail

Website
386 Gerald Circle, Milpitas, CA 95035
  • Air Conditioning

Why choose this provider?

All Heating and Air Conditioning has been serving homeowners in Sunnyvale and the surrounding communities since 2000. It is a family-owned and family-operated enterprise offering furnace repair services, whether the equipment is operated by electricity, gas, oil, wood, or is wall-mounted. Its technicians also fix air-conditioning systems, including units that won't turn on or off, are not producing cold air consistently, and have poor wirings. All Heating and Air Conditioning is a Lennox-authorized dealer.

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.4
Google
4.7 / 5 (105)
Yelp
4.1 / 5 (105)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
4.8
Responsiveness
Friendliness
Helpfulness
Detail

Frequently Asked Questions

  • How do residential HVAC systems work?

    Central HVAC systems use ductwork and mechanical blowers to deliver heating and cooling across a home’s primary living areas. Refrigerant-based systems, such as heat pumps and air conditioners, use pressurized gas that raises or lowers the temperature by absorbing heat. Their principal components include the evaporator coil, compressor, condenser coil, and blower. Furnaces generate heat by burning fuel, such as oil, propane, or natural gas. Energy from the burners is captured by a heat exchanger, and a flue exhausts combustion byproducts outdoors. Nowadays, homeowners can choose between dual-fuel systems, ductless heat pumps, and variable-speed models that provide enhanced comfort and efficiency.

  • How often do I need to schedule HVAC service for my system?

    Central heating and cooling systems should be serviced annually in the spring and fall. Air conditioners should be inspected every spring; furnaces should be tuned up in the fall, and heat pumps need to be serviced twice per year. Scheduling maintenance early in the season can help homeowners prevent breakdowns and avoid the rush.

  • Why do HVAC systems need regular maintenance?

    Preventive maintenance for HVAC equipment is just as important as an oil change for a car. Regular service visits increase the system’s efficiency, prevent unnecessary wear and tear, and detect problems before they worsen. For optimal results, technicians inspect all electrical and mechanical components. This type of maintenance extends the system’s lifespan, prevents safety hazards, and helps homeowners enjoy long- and short-term savings.

  • What’s the best way to care for an HVAC system in a multifamily investment property?

    HVAC maintenance helps landlords retain quality tenants and control their ownership costs. For best results, centralized and decentralized heating and cooling systems should be serviced in the spring and fall. Technicians can lubricate moving parts, measure refrigerant levels, clean the coils, and check the belts and bearings. Landlords should also consider supplying new air filters to tenants to prevent unnecessary wear and tear, and unit breakdowns related to restricted airflow.

  • What are the signs of a broken HVAC system?

    Heating and cooling systems contain hundreds of parts, which means that almost anything can go wrong. Some warning signs are obvious. For example, if the air conditioner is blowing hot air or if the furnace won’t shut off, it’s time to call a professional. Other malfunctions can cause subtle decreases in comfort and efficiency. Regardless of the problem, responding quickly is generally the best way to avoid more significant repairs and expenses. Homeowners can protect themselves by recognizing the following warning signs:

    • Unusually high energy bills
    • Excessive mechanical noise
    • Starting difficulties
    • Sudden shutdowns
    • Continuous airflow
    • Temperature imbalances
    • High humidity
    • Unpleasant odors
    • Ice buildup on the coils
    • Leaks or water damage

  • Does a home warranty cover HVAC repairs?

    Yes, many home warranty companies pay for HVAC repairs. This type of coverage may be standard or included as an optional add-on. In most cases, homeowners are responsible for an initial service fee. If the unit cannot be repaired, the company may pay for a replacement.

  • Will replacing the HVAC system increase my home’s value?

    While most homeowners only recoup 35% to 50% of their installation costs, a new HVAC system can be a major selling point that attracts potential buyers and results in a faster sale. The benefits depend on the local climate, the type of market, and the condition of the existing system. Aging or poorly maintained equipment may encourage buyers to submit lower offers, especially if problems are revealed during an inspection.

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