10 Best HVAC Companies in Novato, CA

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Last Updated: February 25, 2025

If you're like the average American, over half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. It's important to make sure the cooling and heating systems in your Novato home are functioning optimally, so you can avoid spending more than you need to.

A talented HVAC contractor can get your system into shape for a reasonable price, letting you keep your home comfortable while still saving money. That's why we've put together this guide to the best HVAC companies in Novato.

Top 10 Best HVAC Companies in Novato

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Ongaro & Sons

Ongaro & Sons Logo

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2995 Dutton Ave, Santa Rosa, CA 95407 (707) 579-3511 ongaroandsons.com

Free quotes

Informative resources

Clear pricing policy

Services Offered

Indoor air quality
Boiler installation
Ductless
Boiler repair
Furnace repair
Inspection
Ac repair
Ac installation
Duct cleaning
Maintenance
Furnace installation
Smart home integration

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

Free quotes

Informative resources

Clear pricing policy

Reliable customer support

Prompt service delivery

Services Offered

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

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

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

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

Comfort Energy, Inc.

Comfort Energy, Inc. Logo

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

Clear pricing policy

Informative resources

Prompt service delivery

Reliable customer support

Free quotes

Services Offered

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

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

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

Clean Air HVAC

Clean Air HVAC Logo

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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

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

Ariston Heating and Cooling

Ariston Heating and Cooling Logo

Our Rating

User Rating

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

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

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

Dale Heating Cooling & Sheetmetal, Inc.

Dale Heating Cooling & Sheetmetal, Inc. Logo

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User Rating

3015B Coffey Ln, Santa Rosa, CA 95403 (707) 526-5709 dalehcs.com

Clear pricing policy

Free quote

Prompt service delivery

Reliable customer support

Informative resources

Services Offered

Emergency services
Ventilation
Ac installation
Inspection
Ductless
Maintenance
Smart home integration
Furnace installation
Indoor air quality
Furnace repair
Filtration

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

Clear pricing policy

Informative resources

Prompt service delivery

Reliable customer support

Free quotes

Services Offered

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

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

Free quotes

Informative resources

Prompt service delivery

Reliable customer support

Services Offered

Emergency services
Ventilation
Inspection
Maintenance
Duct cleaning
Furnace installation
Indoor air quality
Filtration
Ac repair
Ac installation
Furnace 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 malfunctioning or past its lifespan likely needs professional attention for maintenance or replacement. Watch for these indicators that your system needs service:

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

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

Cost of HVAC Installation and Maintenance in Novato

What you spend on HVAC installation or maintenance is determined by your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home's ductwork isn’t suited for a central HVAC system, you likely have a split or mini-split system. Split systems have internal units in each room to control temperature; these indoor units all connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions very similarly to a standard split system. It has the benefit of being able to utilize either gas or electricity for power.
  • Heat pump: Heat pumps exchange warm and cool air between your home and the outdoors. They don't generate their own heating and cooling, so they work more efficiently in more mild climates.
  • Packaged heating and air: Packaged HVAC systems work well in smaller houses. They consist of a single combined air conditioner and heating unit, commonly located in a basement or attic. This unit is typically small, energy-efficient, and straightforward to maintain.

HVAC expenses vary based on the work needed. HVAC systems are complex and may need a number of types of maintenance. Prices for common jobs are as follows:

HVAC Unit TypeCost
Split$2,091-$5,330
Hybrid Split$4,236-$7,805
Heat Pump$3,280-$33,425
Packaged Heating and Air$274-$457

Ways to Save Money on HVAC Costs

It’s important to make any essential HVAC fixes or replacements as needed, 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.

  • Change the position of your blinds seasonally. Leaving your blinds open during the winter allows passive solar heating to warm your home. Closing the blinds during the summer helps prevent the heat from getting inside. Doing both helps reduce the demand on your HVAC.
  • Monitor for potential problems. Monitoring your system for issues — for example, by checking your thermostat and energy bills routinely — helps you catch issues before they get too expensive.
  • Keep your system clean. Keeping your ductwork, indoor evaporator coil, grills, and condenser fan blades clean helps your HVAC system function properly and lowers your risk of mold. The National Air Duct Cleaners Association recommends cleaning your home's HVAC system when you notice things starting to get dirty.
  • Change filters regularly. Air flows best through your HVAC system when you change out or clean the filters every 1–3 months. Also avoid letting debris pile up on the external sections of your HVAC.
ServiceCost
Filter Replacement$69-$183
Condensor Cleaning$1,372-$4,117
Thermostat Repair$91-$229
Ductwork Cleaning$439-$1,098

How To Choose a Local HVAC Company

It's important to know what makes a good HVAC company. A properly licensed contractor with the right experience will give you confidence that they can fix your system, providing you with effective air conditioning and heating for your home.

Compare Multiple Bids

Get quotes from three or more HVAC providers. Describe your issues and ask if technicians can inspect your system in person. Review each provider's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid providers that pressure you or demand payment before work.

Check Credentials

Look for an HVAC company that employs qualified technicians with the necessary training and licenses. HVAC contractors in all states must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for any individual who helps "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors 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 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 are required to have four years of experience and to be bonded, and contractors with employees must also meet insurance requirements. You should also read reviews and complaints on sites like Yelp, the Better Business Bureau (BBB), and Google Reviews. Choose a company with positive reviews and testimonials about fantastic customer experiences.

Understand Work Details

It’s important to understand what the work process is going to look like. For HVAC repairs, the company should list the exact parts that need replacement and why. Confirm that your technician will clean and test your system afterward to ensure proper functioning. When replacing your HVAC system, ask your installation company to provide details on the new features, model, estimated installation time, brand, and energy efficiency. Before signing a contract, make sure you understand how your provider will properly size the new unit for your home and what the cost will be.

Compare Warranties

Good HVAC companies offer warranties on service and installations. The more complete the coverage, the better. Review warranty details between providers and pick the one that offers the best protection for a fair price.

Get Quote in Writing

Always get quotes for HVAC service in writing before work begins. A comprehensive quote should cover both labor and materials. Make sure you understand all terms before signing a contract.

Frequently Asked Questions About HVAC in Novato, CA

Typically, you should have your HVAC system inspected twice a year. After an inspection, your HVAC technician will tell you what, if any, services are required. You should also have your system inspected and serviced if you notice any new 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 an HVAC inspection are during the spring and fall. Technicians are less busy during these times, making it easier to get an appointment. This also helps get your system ready for the summer and winter, the times of the year when it sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain your home's temperature. During all seasons, keep your thermostat as close to the outside temperature as possible, and try to adjust it only a few degrees at a time. You could also consider getting a smart thermostat.

It takes roughly one to three days to have an HVAC system installed or replaced. If you need just a furnace or a single air conditioning unit, this may take anywhere from a few hours up to two days. This timeline will be determined by the size of your house, how easily accessible your system is, and any new issues your technician discovers.

For a 2,000-square-foot home, look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units).

For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with between 2.5 and 5 tons of capacity. Typically, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.

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

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 to keep the temperature indoors as close to the outside temperature as is comfortable.
  • When replacing part of your system, see if there are Energy Star-certified or similar environmentally friendly options.

Other Novato, CA Home Services

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