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10 Best HVAC Companies in Sunnyvale, CA

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Written By Bradford Cuthrell

Last Updated February 2024

If you're like the typical American homeowner, more than half of your energy bill (55%, according to the Department of Energy) goes toward heating and cooling. It's important to make sure the temperature control systems in your Sunnyvale home are working properly, so that you don't spend more than you need to.

Browse our guide to the top HVAC companies in Sunnyvale to find the right one for you and your home. Our topic contractors can help you stay comfortable while reducing your bills.

Top 10 Best HVAC Companies in Sunnyvale

Comfort Energy, Inc.

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1465 N Milpitas Blvd, Milpitas, CA 95035 (408) 560-4050 comfortenergy.com

Prompt service delivery

Clear pricing policy

Informative resources

Reliable customer support

Free quote

Services Offered

Duct cleaning
Maintenance
Furnace repair
Boiler installation
Filtration
Furnace installation
Ac repair
Ductless
Ac installation
Indoor air quality
Boiler repair

Sandium Heating and Air Conditioning

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1045 N 10th St, San Jose, CA 95112 (408) 894-9072 sandium.com

Reliable customer support

Prompt service delivery

Clear pricing policy

Free quote

Informative resources

Services Offered

Duct cleaning
Indoor air quality
Maintenance
Ac installation
Furnace repair
Emergency services
Ventilation
Ac repair
Furnace installation

All Heating & Air Conditioning

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386 Gerald Cir, Milpitas, CA 95035 (408) 892-6555 upgradehomeservices.com

Clear pricing policy

Informative resources

Prompt service delivery

Free quote

Reliable customer support

Services Offered

Maintenance
Ac repair
Ventilation
Ac installation
Indoor air quality
Furnace installation
Duct cleaning

Residential Heating and Air Conditioning, Inc.

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65 Cristich Ln, Campbell, CA 95008 (408) 377-4073 residentialheating-ac.com

Prompt service delivery

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

Maintenance
Indoor air quality
Furnace installation
Radiant heating
Filtration
Inspection
Ac installation
Duct cleaning

Cold Craft, Inc.

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181 Lost Lake Ln, Campbell, CA 95008 (408) 374-7292 coldcraft.com

Prompt service delivery

Clear pricing policy

Free quote

Reliable customer support

Informative resources

Services Offered

Ac installation
Boiler installation
Ductless
Furnace repair
Emergency services
Ventilation
Filtration
Inspection
Furnace installation
Radiant heating
Maintenance

Nur HVAC

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1078 Wentworth St, Mountain View, CA 94043 (408) 471-6171 nurhvac.com

Prompt service delivery

Informative resources

Reliable customer support

Free quote

Clear pricing policy

Services Offered

Maintenance
Zoning systems
Ductless
Furnace installation
Furnace repair
Ac installation
Ventilation
Ac repair
Radiant heating

Finest Heating & Air

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2100 Geng Rd Suite 210, Palo Alto, CA 94303 (650) 223-2028 finestheatingnair.com

Prompt service delivery

Free quote

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Furnace repair
Furnace installation
Ac installation
Ductless
Maintenance
Indoor air quality
Ac repair

Hussey Bros., Inc.

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1620 Oakland Rd D205, San Jose, CA 95131 (408) 343-3185 husseybros.com

Free quote

Prompt service delivery

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Inspection
Emergency services
Furnace installation
Maintenance
Indoor air quality
Ac repair
Ac installation
Filtration
Furnace repair
Ductless

IRBIS HVAC Inc

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2210 Lundy Ave, San Jose, CA 95131 (408) 419-1365 irbishvac.com

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Maintenance
Furnace repair
Indoor air quality
Inspection
Duct cleaning
Ac installation
Furnace installation
Ac repair

Valley Heating, Cooling, Electrical and Solar

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1171 N 4th St, San Jose, CA 95112 (408) 294-6290 valleyheating.com

Prompt service delivery

Clear pricing policy

Informative resources

Free quote

Reliable customer support

Services Offered

Furnace installation
Ductless
Ac installation
Filtration
Maintenance
Duct cleaning
Ac repair
Indoor air quality
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your HVAC system is faulty or getting near the end of its lifespan, it likely needs servicing or replacement from an HVAC company. Watch for these indicators your system needs service:

  • Poor air circulation or uneven heating/cooling
  • Frequent breakdowns and need for repairs
  • Refrigerant leaks
  • Unusually high energy bills
  • Cracking, corrosion, or rust
  • Temperature control issues or thermostat malfunctions
  • Strange noises when the system turns on
  • An HVAC system that's over 15 years old

If you notice any of these HVAC issues, have a technician inspect your system. A local professional can diagnose problems and determine whether fixing or replacing your HVAC unit is the correct solution.

Cost of HVAC Installation and Maintenance in Sunnyvale

HVAC installation or maintenance prices change depending on your system. Common HVAC unit varieties include the following:

  • Split or mini-split: If your home lacks the ductwork for central air or heating, you probably have a split or mini-split system instead. Split HVAC systems have interior units in each room to manage temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions much like a standard split system, but has the capacity to draw on either electricity or gas for power.
  • Heat pump: Heat pumps exchange warm and cold air between your home and the outdoors. They don't make their own heat or AC, so they work best in moderate climates and may not be as effective during Sunnyvale's hot summers.
  • Packaged heating and air: Packaged HVAC systems are a great choice for smaller houses. They have a single cooling and heating unit, normally in a basement or attic. This unit is often space-saving, cost-effective, and easy to maintain.

HVAC costs differ based on the services needed. HVAC systems are complicated and may need several types of maintenance. Costs for common jobs are as follows:

HVAC Unit TypeCost
Split$2,049-$5,224
Hybrid Split$4,152-$7,650
Heat Pump$3,215-$32,762
Packaged Heating and Air$269-$448

Ways to Save Money on HVAC Costs

It’s important to take care of HVAC repairs and replacements when they are required, though they can be expensive. The good news is that homeowners have ways to reduce gradual wear and tear and reduce the frequency of breakdowns.

  • Keep your system clean. Keeping your grills, indoor evaporator coil, condenser fan blades, and ductwork clean helps your system run and reduces the chance of mold growth. The National Air Duct Cleaners Association recommends cleaning your HVAC system when it starts to look dirty.
  • Change filters regularly. Replacing or cleaning your air filters every 1–3 months helps air flow efficiently through your system. You should also try to keep debris away from the outdoor portions of your HVAC system as much as possible.
  • Monitor for potential problems. Monitor your system for issues, for example by consistently checking your thermostat and energy bills. This enables you to address problems before they get too expensive.
  • Change the position of your blinds seasonally. Keeping your blinds closed in the summer helps block out passive solar heat. Keeping them open in the winter helps you take advantage of this same heat. Both of these measures help reduce the frequency with which you need to run your HVAC.
ServiceCost
Filter Replacement$67-$179
Condensor Cleaning$1,345-$4,036
Thermostat Repair$90-$224
Ductwork Cleaning$430-$1,076

How To Choose a Local HVAC Company

Knowing what makes a trustworthy HVAC company is vital for a smooth installation or repair. An experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.

Compare Multiple Bids

Request estimates from at least three HVAC providers. Explain your issues and ask if specialists can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid contractors that pressure you or demand payment before work.

Check Credentials

It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. In all states, HVAC contractors have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, contractors must pass an exam (the type of exam depends on the kind of equipment they intend to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled on a state-by-state basis.

In California, HVAC contractors must be licensed by the Department of Consumer Affairs Contractors State License Board (CSLB). HVAC contractors are considered specialty contractors by the CSLB. All contractors must have four years of experience and be bonded, and contractors with employees must also meet insurance requirements. Checking reviews on the Better Business Bureau (BBB), Yelp, Google Reviews, and similar sites can aid your decision as well. Choose a company with stellar reviews and stories of positive customer experiences.

Understand Work Details

Make sure you know the details of any project before it begins. When getting HVAC repairs, have your provider detail which parts require replacement and why. Get confirmation that your technician will clean and test the system after the repair to ensure that everything works. When replacing your HVAC, have the contractor explain the new features, brand, model, energy efficiency, and estimated installation time. Before signing paperwork, be sure you understand how your provider will determine the right system size for your home and what the price will be.

Compare Warranties

Reputable HVAC companies stand behind their work with warranties. Compare warranties from different companies, remembering that more comprehensive coverage is better. Look for the company that provides the most coverage for a reasonable price.

Get Quote in Writing

Get a written quote before HVAC work starts. A full quote includes both materials and labor costs. Make sure you understand and agree to all terms before signing the contract.

Frequently Asked Questions About HVAC in Sunnyvale, CA

Typically, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what services are required. You should also have your system inspected and serviced if you start to notice any issues, such as leaks, strange noises, or unusual smells. If you have ductwork in your home, it should be serviced every few years.

The best times to have your HVAC system inspected are the spring and fall. Technicians are generally less busy during these times, making it easier to get an appointment. This also helps get your system ready for the summer and winter, when it typically gets the most use.

You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Set your thermostat as close to the outside temperature as you comfortably can, and avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any window or door leaks to help keep cool air in. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.

It takes roughly one to three days to have your HVAC system installed or replaced. If you only need an air conditioning unit or a furnace, this may take between half a day and two days. This timeline can be affected by the size of your home, how easily accessible your system is, and any issues your technician uncovers.

For a 2,000-square-foot home, you'll want a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Sunnyvale, you may be able to make do with a furnace on the lower end of this range.

For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with around 2.5 to 5 tons of capacity. In Sunnyvale, you'll likely look for something on the higher end of this range. Typically, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

Normally, HVAC financing is through a third-party lender. If your HVAC company doesn't offer these options, you may consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to learn what options are available and appropriate for your situation.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Make sure your air ducts remain clean, and clean or change your air filters on a regular basis.
  • Schedule regular inspections to take care of problems as they come up.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping your inside temperature as close to the outside temperature as you can.
  • When you need to replace part of your HVAC system, see if there are Energy Star-certified or similar environmentally friendly options.

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