10 Best HVAC Companies in Oakland, CA

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Last Updated: February 25, 2025

On average, 55% of energy use in American homes goes toward heating and cooling, according to the U.S. Department of Energy. You want to be comfortable in your Oakland home, but you also don't want to be wasting your money on ineffective cooling and heating.

Use our guide to the top HVAC companies in Oakland to find the best one for you and your home. Our topic contractors can help you reduce your bills while still staying comfortable.

Top 10 Best HVAC Companies in Oakland

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Precision Air Solutions

Precision Air Solutions Logo

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User Rating

1090 Adams St Suite A-1, Benicia, CA 94510 (707) 741-1993 precisionhvacco.com

Reliable customer support

Informative resources

Prompt service delivery

Free quotes

Clear pricing policy

Services Offered

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

Baker's Heating and Air Conditioning

Baker's Heating and Air Conditioning Logo

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User Rating

751 Hoffman Ln, Brentwood, CA 94513 (925) 420-0400 bakerhvac.com

Prompt service delivery

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

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

Comfort Energy, Inc.

Comfort Energy, Inc. Logo

Our Rating

User Rating

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

Informative resources

Clear pricing policy

Free quotes

Prompt service delivery

Reliable customer support

Services Offered

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

Contra Costa Heating & Air Conditioning

Contra Costa Heating & Air Conditioning Logo

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User Rating

14670 Wicks Blvd, San Leandro, CA 94577 (510) 343-9841 contracostaheating.com

Informative resources

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

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

Ariston Heating and Cooling

Ariston Heating and Cooling Logo

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User Rating

111 Center Ave Suite M, Pacheco, CA 94553 (925) 421-0888 aristonheatingandcooling.com

Free quotes

Informative resources

Clear pricing policy

Reliable customer support

Services Offered

Indoor air quality
Ductless
Furnace installation
Maintenance
Filtration
Furnace repair
Ac repair
Smart home integration
Ac installation

Clean Air HVAC

Clean Air HVAC Logo

Our Rating

User Rating

428 N Buchanan Cir #1, Pacheco, CA 94553 (925) 689-7017 cahvac.com

Informative resources

Reliable customer support

Clear pricing policy

Services Offered

Maintenance
Zoning systems
Furnace repair
Emergency services
Indoor air quality
Ductless
Furnace installation
Ac installation
Filtration
Boiler installation
Ac repair
Ventilation

AC Heating and Cooling Service Inc.

AC Heating and Cooling Service Inc. Logo

Our Rating

User Rating

945 Taraval St Suite 177, San Francisco, CA 94116 (415) 333-9903 acheatingandair.net

Prompt service delivery

Clear pricing policy

Informative resources

Reliable customer support

Free quotes

Services Offered

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

AC Heating & Cooling Services Inc

AC Heating & Cooling Services Inc Logo

Our Rating

User Rating

3500 Clayton Rd, Concord, CA 94519 (925) 521-1807 acheatingandair.net

Clear pricing policy

Reliable customer support

Free quotes

Prompt service delivery

Informative resources

Services Offered

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

Hassler Heating and Air Conditioning, LLC

Hassler Heating and Air Conditioning, LLC Logo

Our Rating

User Rating

1537 S 56th St, El Cerrito, CA 94530 (510) 296-3231 hasslerheating.com

Reliable customer support

Free quotes

Clear pricing policy

Informative resources

Services Offered

Ac repair
Maintenance
Furnace installation
Indoor air quality
Ductless
Furnace repair
Ventilation
Inspection
Ac installation
Filtration

Carol Flynn Heating & Cooling

Carol Flynn Heating & Cooling Logo

Our Rating

User Rating

200 Valley Dr Ste 50, Brisbane, CA 94005 (650) 697-1535 carolflynn.com

Informative resources

Clear pricing policy

Reliable customer support

Free quote

Services Offered

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

An HVAC system that's broken or old likely needs professional attention for maintenance or replacement. Watch for these indicators that your system needs service:

  • Higher than normal energy bills
  • Refrigerant leaks
  • Frequent breakdowns and need for repairs
  • Cracking, rust, or corrosion
  • Odd noises when turning on
  • Temperature control issues or thermostat malfunctions
  • Uneven heating/cooling or poor air circulation
  • An HVAC system that's over 15 years old

If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can pinpoint problems and determine whether repair or full HVAC replacement is the best course of action.

Cost of HVAC Installation and Maintenance in Oakland

The price of HVAC installation or maintenance varies depending on the type of unit you have. Common types of HVAC units include the following:

  • Split or mini-split: Homes without ductwork for central heating and cooling often have split or mini-split HVAC systems. These systems consist of internal units in each room to control temperature, which all connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but is able to utilize either electricity or gas as energy sources.
  • Heat pump: Heat pumps transfer warm and cool air between your home and outside. These systems don't make their own heat or AC, so they work more effectively in moderate climates and may not be as effective during Oakland's hot summers.
  • Packaged heating and air: Packaged HVAC systems are a practical choice for smaller homes. These systems have a single heating and cooling unit, normally located in an attic or basement. They're compact, energy-efficient, and easy to maintain.

HVAC expenses vary based on the work needed. HVAC systems are complicated and may need multiple types of maintenance. Costs for common jobs are as follows:

HVAC Unit TypeCost
Split$2,094-$5,338
Hybrid Split$4,243-$7,817
Heat Pump$3,285-$33,475
Packaged Heating and Air$275-$458

Ways to Save Money on HVAC Costs

It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Luckily, there are steps you can take to reduce wear and tear on your system.

  • Keep your system clean. Regularly cleaning ductwork, condenser fan blades, grills, and indoor evaporator coil helps keep your HVAC system running efficiently and reduces the risk of mold. The National Air Duct Cleaners Association recommends cleaning your HVAC system when it starts to look dirty.
  • Change the position of your blinds seasonally. Leaving your blinds open during the colder months helps warm your home with passive solar heating. Closing the blinds in warmer seasons helps prevent the same heat from getting inside. Doing both helps lessen the strain on your HVAC system.
  • Monitor for potential problems. Monitor your system for issues, for example by consistently checking your thermostat and energy bills. This enables you to address issues before they get out of hand.
  • Change filters regularly. Replacing or cleaning your air filters every 30–90 days helps air flow efficiently through your system. Also try to keep debris away from the outside areas of your HVAC system as much as possible.
ServiceCost
Filter Replacement$69-$183
Condensor Cleaning$1,375-$4,124
Thermostat Repair$92-$229
Ductwork Cleaning$440-$1,100

How To Choose a Local HVAC Company

Finding the right HVAC company is crucial for a smooth installation or repair. An experienced, credentialed HVAC contractor gives you confidence your system can provide consistent heating and air conditioning year-round.

Compare Multiple Bids

Get quotes from at least three HVAC providers. Explain your issues and ask if technicians can inspect your system in person. Review each contractor's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid companies that pressure you or demand payment before work.

Check Credentials

When looking for an HVAC provider, choose one with technicians that have the right training, licenses, and experience. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled by the state.

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

Understand Work Details

It’s important to understand what the work process will look like. For HVAC repairs, the company should list the particular parts that need replacement and why. Get confirmation that your technician will clean and test your system afterward to ensure proper functioning. When replacing your HVAC system, have the provider describe the new features, model, brand, estimated installation time, and energy efficiency. Before signing a contract, ask about the process your provider will use to properly size the new system for your home and how much it will cost.

Compare Warranties

Reputable HVAC companies back their work with warranties. Look at warranties from different companies, while remembering that more comprehensive coverage is better. Look for the provider that offers the most coverage for a fair price.

Get Quote in Writing

Always get estimates for HVAC service in writing before committing to a provider. A comprehensive quote should cover both materials and labor. Make sure you understand all terms before signing a contract.

Frequently Asked Questions About HVAC in Oakland, CA

Generally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what services are needed. You should also call a technician if you notice any new issues, like unusual smells, leaks, or strange noises. If your home has ductwork, it should be serviced every few years.

The best times to have your HVAC system inspected are the spring and fall. Technicians are less busy during these times, which makes it easier to get an appointment. This also ensures that your system is ready for the summer and winter, the times of the year when it gets the most use.

You can save energy during the summer by reducing the amount of power your HVAC system uses to keep your home cool. Set your thermostat as close to the outside temperature as is comfortable, and try to avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any window or door leaks to avoid letting cool air escape. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.

For a 2,000-square-foot home, you should look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Oakland, 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 look for an air conditioning unit with around 2.5 to 5 tons of capacity. In Oakland, you'll likely look for something on the higher end of this range. Generally, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.

Your HVAC company might provide financing options via a third-party lender, or you may be able to obtain your own loan. It's smart to discuss payment options with a financial advisor and your HVAC company to make sure that you're choosing the best option for you.

There are several ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and clean or change your air filters on a regular basis.
  • Have regular inspections to take care of issues as they come up.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping the temperature indoors as close to the outside temperature as you can.
  • When it comes time to replace any part of your system, see if there are Energy Star-certified or similar environmentally friendly options.

Other Oakland, CA Home Services

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