HVAC Services and Designs

Over 100 Years of Combined Experience | Discounts for New Customers | Warranties Available

Over 100 Years of Combined Experience
Discounts for New Customers
Warranties Available

Get Exceptional HVAC Services from Cal-Bay Service

Are you looking for reliable HVAC services? Look no further. Cal-Bay Service, Inc provides a full range of mechanical services including: commercial and residential air conditioning, heating, ventilation, air purification systems, wine cellar refrigeration, and much more. Backed by years of experience in HVAC services, designs, and installations, you can expect quality same-day service from our knowledgeable technicians. We service a wide area including Solano, Contra Costa, Napa, Sonoma, and Marin Counties to name a few. Contact our office today for more information or to book an appointment for your free estimate!

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Air Conditioning Services

Are you interested in upgrading to or installing an energy-efficient AC unit for your house or office? Get in touch with Cal-Bay Service's AC specialists today to discuss options for your home. Don't forget to ask about what DISCOUNTS we offer on new installations!
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Heating Services

Whether you're loooking for a repair on your existing heating system or to upgrade with a more energy-efficient one, Cal-Bay Service has you taken care of. Speak to our expert technicians now to learn about options for your home's heating.
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Water Heaters

Whether your existing water heater is on the fritz or you're looking to install an energy-efficient model, turn to Cal-Bay Service for all your water heater sales, installation, and repair needs.
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Air Purification, Filtration, and Humidifiers

Prevent dust buildup, keep your HVAC system clean, and live pet-dander free with a high-end air filtration system. Call us for a free estimate on replacements and new installations!
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Duct Sealing and Replacement

Improve the overall air purification in your home with the duct sealing and replacement services that we offer. We received accreditation from California Contractors. Request a call back or contact us today!
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Maintenance

Do you require dependable HVAC maintenance? Cal-Bay Service, Inc offers a full range of HVAC maintenance services. Contact our office today for more information or to schedule your free estimate!
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