Areas served: Berkeley, CA and surrounding East Bay communities including Albany, Kensington, Oakland, and Emeryville
Berkeley's Mediterranean climate creates unique HVAC demands, with mild winters requiring efficient heating systems and increasingly warm summers driving cooling needs. The city's older housing stock, including many pre-1950 homes, often requires specialized knowledge for retrofitting modern HVAC systems while preserving historical character. This directory covers licensed HVAC contractors serving Berkeley and the East Bay, evaluated on technical expertise, energy efficiency certifications, and familiarity with local building codes and permit requirements.
Connolly Heating and Air Conditioning is a family-owned HVAC contractor serving the Pacheco area and surrounding communities. They specialize in heating and cooling system installation, repair, and maintenance for residential properties. With a strong reputation for reliable service and customer satisfaction, they provide professional solutions to keep homes comfortable year-round.
3rdGen Building Systems is a Bay Area commercial HVAC and design-build mechanical contractor specializing in VRF systems, heat pump installations, tenant improvement HVAC, and full electrification retrofits for both commercial and residential projects. Founded on principles of disciplined execution and performance-driven solutions, they handle complex mechanical scopes including system design, load calculations, installation, and commissioning across San Francisco, Oakland, Berkeley, Marin, Walnut Creek, and the Peninsula. They excel at coordinating mechanical work with general contractors and project teams, offering everything from indoor air quality solutions to whole-home mechanical system upgrades.
Hometown Heating and Air Conditioning is a family-owned and veteran-owned HVAC contractor serving Contra Costa, Alameda, and Solano Counties from their Concord, CA base. They provide comprehensive residential heating and cooling services including air conditioning installation and repair, heating systems, heat pumps, ductless mini-split systems, indoor air quality solutions, water heater installation and maintenance, and home performance energy efficiency assessments. With EPA-certified technicians and a 100% satisfaction guarantee, they're known for honest, integrity-driven service backed by seven consecutive years of Diamond Certified recognition.
Perfect Star Heating, Cooling, & Electrical is a locally owned family business with over 30 years of experience serving Alameda and Contra Costa County. They specialize in HVAC services including furnace repair, air conditioning, ductless mini-split installation, ductwork, and indoor air quality solutions, plus electrical repair and installation, and solar installation. As a Lennox Premier Dealer, Daikin Comfort Pro dealer, and Diamond Certified company, they're recognized for excellence and community involvement.
Cabrillo Plumbing, Heating & Air is a full-service HVAC, plumbing, and electrical contractor serving the San Francisco Bay Area since 1961. They offer comprehensive heating and cooling solutions including AC repair, heat pump installation and repair, ductless mini-splits, and indoor air quality services, alongside complete plumbing services from fixture installation to sewer and drain cleaning using camera inspection technology. The company differentiates itself through job-based pricing rather than hourly rates, the Cabrillo Guarantee backing their work, and a maintenance program offering annual inspections and priority service.
AIS Heating & Air Conditioning is a family-owned HVAC contractor serving Fremont and Livermore since 2008. They provide comprehensive heating and cooling services including installation, repair, replacement, and maintenance for all HVAC brands, plus indoor air quality solutions like air purification, humidification, and duct sealing. Their certified technicians offer transparent pricing, performance guarantees, and emergency repair services to keep Bay Area homes comfortable year-round.
Atlas Heating and Air Conditioning is a full-service HVAC company serving the Oakland area with installation, repair, and maintenance of heating and cooling systems. They specialize in both residential and commercial HVAC solutions, offering emergency repair services and maintenance plans to keep systems running efficiently year-round. With decades of experience, Atlas is known for reliable service, transparent pricing, and expert technicians.
TECHNO HVAC and Refrigeration is a full-service HVAC company in Pleasant Hill specializing in heating, cooling, and refrigeration systems for residential and commercial properties. They handle installation, repair, maintenance, and emergency service calls with a focus on prompt, reliable service. Their high customer satisfaction rating reflects their commitment to professional workmanship and customer care.
Hassler Heating and Air Conditioning has been serving the East Bay since 1999 with comprehensive HVAC services including heating, cooling, heat pump installation, water heaters, and home performance upgrades. They specialize in energy-efficient solutions and home electrification, helping customers navigate rebates and incentives to maximize savings—the company has helped customers save over $5 million in rebates since 2015. Their team of skilled technicians handles everything from routine maintenance to complex installations, with a focus on personalized comfort solutions tailored to the region's unique climate.
California HVAC is a licensed and insured HVAC company serving Oakland and a 75-mile radius with 35 years of experience. They offer comprehensive residential and commercial climate control services including HVAC repair and maintenance, emergency 24/7 support, kitchen hood installation, and walk-in cooler/freezer services. As a Google Guaranteed company, they specialize in tailored heating, cooling, and commercial refrigeration solutions designed for both comfort and efficiency.
Smart Heating and Air Conditioning is a full-service HVAC company serving Concord, Pittsburg, and surrounding areas in Contra Costa and Alameda counties. They offer comprehensive heating and cooling services including AC and furnace maintenance and repair, new equipment installation, and indoor air quality solutions for both residential and commercial properties. With certified technicians, transparent pricing, flexible scheduling, and 24/7 emergency availability, they focus on reliable home comfort with a 100% satisfaction guarantee.
Breathable is a general contracting and manufacturing company based in Oakland that specializes in creating custom ventilation and indoor air quality solutions for residential and commercial spaces. They design and install systems that improve air circulation, reduce moisture, and enhance overall home comfort. Known for their technical expertise and attention to detail, Breathable helps homeowners and businesses breathe easier with tailored HVAC and ventilation upgrades.
Oakland Furnace Heat & Air Conditioning is a local HVAC contractor serving the Oakland area with comprehensive heating and cooling services. They specialize in furnace installation, repair, and maintenance, as well as air conditioning system work for residential customers. With a strong reputation built on reliable service, they're a trusted choice for keeping homes comfortable year-round.
Ariston Heating and Cooling is a full-service HVAC contractor serving the Pacheco area and surrounding communities. They specialize in heating and cooling system installation, repair, and maintenance for both residential and commercial properties. With expertise in modern air conditioning and heating solutions, Ariston is known for reliable service and quality workmanship.
Bell Brothers is a full-service home systems company serving the Sacramento area with electrical, plumbing, heating, and air conditioning services. They handle everything from routine maintenance and repairs to new installations and system replacements across all four trades. With decades of experience and a focus on quality workmanship, Bell Brothers is known for fast response times, transparent pricing, and comprehensive solutions for homeowners.
Service Champions is a full-service home repair and maintenance company serving the Pleasanton area with plumbing, electrical, and general contracting services. They handle everything from emergency repairs to planned upgrades and renovations, backed by their team of licensed professionals. Known for responsive service and quality workmanship, they serve both residential and commercial clients throughout the region.
Galaxy Heating & Air Conditioning is a full-service HVAC company serving the Pleasant Hill and greater East Bay area. They specialize in heating and cooling system installation, repair, and maintenance for residential and commercial properties. With expertise in heat pump technology and emergency service capabilities, Galaxy delivers reliable climate control solutions backed by professional installation and responsive customer support.
Next HVAC and Appliance Repair is a full-service HVAC and appliance repair company serving the San Francisco Bay Area. They specialize in heating, cooling, and ventilation system repairs alongside major appliance servicing, offering same-day emergency repairs and comprehensive maintenance plans. With a focus on quick response times and expert technicians, Next HVAC provides both residential and commercial solutions.
ABC Cooling, Heating & Plumbing is a full-service HVAC and plumbing contractor serving the Hayward area with expertise in air conditioning, heating, and plumbing repairs, maintenance, and installations. The company offers emergency service availability and maintenance plans to keep systems running efficiently year-round. Known for reliable, professional service across both heating and cooling needs, ABC Cooling, Heating & Plumbing is a trusted choice for homeowners needing comprehensive climate control and plumbing solutions.
Comfy Heating & Air Conditioning Inc. is a full-service HVAC provider serving San Leandro and surrounding areas, specializing in air conditioning installation, repair, and maintenance for residential properties. With over a decade of experience, the company delivers prompt, reliable service backed by a strong reputation for customer satisfaction. They offer emergency repairs, preventative maintenance plans, and new system installations with transparent pricing and professional workmanship.
Precision HVAC Heating & Air Conditioning is a full-service HVAC contractor serving Hayward and the surrounding Bay Area. They specialize in heating and cooling system installation, repair, and maintenance for residential properties. With a focus on quality workmanship and customer service, Precision HVAC handles everything from emergency repairs to system replacements and preventative maintenance plans.
Mitch & Sons HVAC is a family-owned HVAC contractor serving San Francisco and the Bay Area with comprehensive heating, cooling, and ventilation services. They handle installation, repair, and maintenance of residential and commercial HVAC systems, drawing on years of local expertise. Known for reliable service and customer satisfaction, they're a trusted choice for homeowners and businesses needing dependable climate control solutions.
Albert Nahman Plumbing, Heating, and Cooling is a full-service plumbing and HVAC company serving the Berkeley area for decades. They handle everything from routine plumbing repairs and water heater installation to heating and cooling system maintenance, repair, and installation. Known for responsive service and skilled technicians, they're a trusted local contractor for both emergency calls and planned upgrades.
Air Flow Pros Heating and Air Conditioning is a full-service HVAC provider serving San Francisco with expertise in heating, cooling, and air quality solutions for residential and commercial properties. They offer installation, repair, and maintenance services for furnaces, air conditioners, heat pumps, and ductwork. The team is committed to reliable, efficient climate control solutions tailored to the Bay Area's unique climate challenges.
Harry Clark Heating and Air Conditioning is a full-service HVAC company serving the Oakland area with installation, repair, and maintenance for residential heating and cooling systems. With decades of experience, they provide expert diagnostics and reliable service to keep homes comfortable year-round. The team is known for prompt, professional work and transparent pricing.
Connolly Heating and Air Conditioning is the top-ranked HVAC provider in the Berkeley area with a Lantern Score of 85.41/100 and 5-star rating from 264 reviews. They specialize in heating and cooling system installation, repair, and maintenance for homeowners in the Pacheco area and surrounding communities.
3rdGen Heating & Cooling (Lantern Score: 85.10/100) specializes in heat pump installations and full electrification retrofits, making them ideal for homeowners upgrading to efficient heat pump systems. Hassler Heating and Air Conditioning (Lantern Score: 83.91/100) also focuses on heat pump installations and home electrification projects with rebate savings.
3rdGen Building Systems (Lantern Score: 85.10/100) specializes in commercial HVAC with VRF systems, tenant improvement HVAC, and design-build mechanical services. Atlas Heating and Air Conditioning (Lantern Score: 83.94/100) also serves commercial clients with maintenance and installation for multiple buildings.
AIS Heating & Air Conditioning (Lantern Score: 83.99/100) offers emergency HVAC service and has served the region since 2008 with 4.9-star rating from 756 reviews. Next HVAC and Appliance Repair (Lantern Score: 82.09/100) also specializes in urgent HVAC repairs across the San Francisco Bay Area.
Perfect Star Heating, Cooling, & Electrical (Lantern Score: 84.10/100) is a locally owned family business with over 30 years of experience offering HVAC, plumbing, electrical, and solar services. Cabrillo Plumbing, Heating & Air (Lantern Score: 84.04/100) provides integrated HVAC, plumbing, and electrical solutions serving the entire Bay Area since 1961.
Hometown Heating and Air Conditioning (Lantern Score: 84.10/100) is family-owned and veteran-owned, serving Contra Costa, Alameda, and Solano Counties with 4.9-star rating from 2,553 reviews. They specialize in comprehensive heating and cooling repairs, replacements, and energy-efficiency upgrades.