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Business Details
37 Years
experience
Emergency
services
Trusted HVAC Services in Benicia, CA
Cal Bay Service has been a trusted provider of HVAC solutions since 1989, serving residential and commercial clients across Solano, Contra Costa, Napa, Sonoma, and Marin Counties. Our team of certified technicians brings over 100 years of combined experience to every project, specializing in air conditioning, heating, ventilation, air purification systems, and wine cellar refrigeration. We prioritize same-day service, offering emergency repairs and installations with a commitment to quality and customer satisfaction. All work is backed by warranties, including a 1-year warranty on repairs and a 10-year warranty on new installations. Our family-owned business maintains full transparency with pricing, providing free estimates and flexible financing options.

We are licensed under #690694 and adhere to strict safety and quality standards, ensuring reliable service for every client. Our bilingual team speaks English and Spanish, catering to diverse community needs. With decades of local expertise, we focus on energy-efficient solutions that reduce costs and improve comfort. Customer testimonials consistently highlight our professionalism, affordability, and timely service. From routine maintenance to complex system designs, Cal Bay Service remains dedicated to delivering exceptional HVAC solutions tailored to each client's unique requirements.
Services
Air Conditioning Heating Systems Water Heaters Air Purification Duct Sealing HVAC Maintenance Wine Cellar Refrigeration System Design Emergency Repairs Energy Efficiency Upgrades
Details
  • Year established: 1989
Highlights and features
  • We offer same-day HVAC service and emergency repairs.
  • Our family-owned business has served the community since 1989.
  • All installations include 10-year warranties on parts and labor.
  • We provide free estimates for all HVAC replacements and upgrades.
  • Our bilingual technicians speak English and Spanish for convenience.
Associations and certifications
  • California Contractors
What people say
Professional manner Affordable pricing Timely service Expert technicians Satisfaction guaranteed
Services
Air Conditioning
We provide comprehensive air conditioning services including installation, repair, and maintenance for residential and commercial properties. Our certified technicians handle all makes and models, offering energy-efficient solutions that reduce utility costs. Customers benefit from same-day service, emergency repairs, and 10-year warranties on new installations.
Heating Systems
Our heating services cover furnace installation, repair, and maintenance with a focus on reliability and energy efficiency. We offer same-day diagnostics and repairs, backed by industry-leading warranties. Technicians are trained to handle both modern and legacy systems, ensuring optimal performance throughout colder months.
Air Purification
We install and maintain whole-home air purification systems that remove allergens, bacteria, and VOCs from indoor air. Our solutions include high-end filtration systems and air scrubbers that improve respiratory health and reduce asthma triggers. All installations come with free estimates and manufacturer warranties.
Duct Sealing
Our duct sealing and replacement services enhance HVAC efficiency by eliminating air leaks. We use industry-standard materials to improve airflow and reduce energy consumption. Technicians perform comprehensive inspections to identify leaks, offering both repair and full replacement options with lifetime warranties.
Water Heaters
We offer water heater sales, installation, and repair services for both tank and tankless models. Our technicians diagnose issues like inconsistent hot water or leaks, providing cost-effective solutions. New installations include energy-efficient models with extended warranties and financing options.
Questions
What HVAC services does Cal-Bay Service offer?
We provide air conditioning, heating, duct sealing, air purification, water heater services, and HVAC system design for residential and commercial clients.
Do you offer emergency HVAC repairs?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling issues with same-day service availability.
What areas do you service?
We serve Solano, Contra Costa, Napa, Sonoma, and Marin Counties with local technicians available in Benicia and surrounding areas.
Are your technicians certified?
All our technicians are licensed under #690694, factory-trained, and certified to work on all HVAC system types and brands.
What warranties do you offer?
We provide a 1-year warranty on repairs and a 10-year warranty covering parts and labor for new HVAC installations.
Do you offer financing options?
Yes, we offer flexible financing plans for new HVAC installations and major repairs to qualified customers.