HVAC Service Area: Berkeley, the East Bay & North Bay
Aarvaks serves 140 communities across Alameda, Contra Costa, Marin, Napa, and Solano counties. Residential and commercial HVAC — installation, repair, and maintenance. CSLB #1146520.
East Bay
Residential and commercial HVAC throughout the East Bay and North Bay — installation, repair, and maintenance across all brands.
Alameda County 20 communities
Also in Alameda County: Ashland, Cherryland, Emeryville, Fairview, Newark, San Leandro, San Lorenzo, Sunol, Union City
Contra Costa County 49 communities
Also in Contra Costa County: Acalanes Ridge, Alamo, Alhambra Valley, Bay Point, Bayview, Bethel Island, Blackhawk, Byron, Camino Tassajara, Castle Hill, Clyde, Contra Costa Centre, Crockett, Diablo, Discovery Bay, East Richmond Heights, El Sobrante, Hercules, Kensington, Knightsen, Martinez, Montalvin Manor, Moraga, Mountain View, Norris Canyon, North Gate, North Richmond, Orinda, Pacheco, Pinole, Port Costa, Reliez Valley, Richmond, Rodeo, Rollingwood, San Miguel, San Pablo, Saranap, Shell Ridge, Tara Hills, Vine Hill
North Bay
Heat pump, mini-split, furnace and AC installation in Marin, Napa and Solano counties, at the same posted prices.
Marin County 49 communities
Also in Marin County: Alto, Bel Marin Keys, Belvedere, Black Point-Green Point, Bolinas, Burdell, California Park, Corte Madera, Dillon Beach, Dogtown, Fairfax, Fallon, Greenbrae, Hamlet, Ignacio, Inverness, Inverness Park, Kentfield, Lagunitas-Forest Knolls, Larkspur, Las Gallinas, Los Ranchitos, Lucas Valley-Marinwood, Marconi, Marin City, Marshall, Mill Valley, Muir Beach, Nicasio, Olema, Paradise Cay, Point Reyes Station, Ross, San Anselmo, San Geronimo, San Quentin, Santa Venetia, Sausalito, Shafter, Sleepy Hollow, Stinson Beach, Strawberry, Tamalpais-Homestead Valley, Tiburon, Tocaloma, Tomales, Woodacre
Napa County 11 communities
Also in Napa County: American Canyon, Angwin, Calistoga, Deer Park, Moskowite Corner, Oakville, Rutherford, Silverado Resort, St. Helena, Yountville
97 Years in the Bay Area
Aarvaks has been a Berkeley HVAC company since 1929. Family-owned and operated — not private equity. When Jason Hanson acquired Aarvaks in November 2025, he brought the technicians who had spent years building service standards at Hassler Heating, one of the most respected HVAC companies in the East Bay.
The service area has expanded over nearly a century of operation. Aarvaks holds CSLB License #1146520, C-20 HVAC classification, covering residential and commercial work throughout Alameda, Contra Costa, Marin, Napa and Solano counties.
HVAC Services Throughout the East Bay & North Bay
Installation, repair, and maintenance for all residential and commercial HVAC systems. All brands serviced. $79 residential diagnostic fee throughout the coverage area.
Heating
Furnace installation, repair, and tune-up throughout the East Bay and North Bay. Gas furnaces and wall heaters. All brands serviced. Furnace installation starting at $7,500.
Air Conditioning
Central AC installation, repair, and tune-up. AC installation starting at $10,000. $79 diagnostic fee. $129 tune-up. Carrier Authorized Dealer — factory warranty on every installation.
Heat Pumps & Mini-Splits
Heat pump and ductless mini-split installation and repair. Single-zone heat pump installation starting at $17,000. Mini-splits from $6,500.
Frequently Asked Questions
How far does a Berkeley HVAC company typically travel for service calls?
Service areas vary by company. Aarvaks serves 140 communities across Alameda, Contra Costa, Marin, Napa, and Solano counties: in the East Bay from Fremont and Livermore to Richmond and Antioch, and in the North Bay from Sausalito and Novato to Napa, Vallejo and Fairfield.
Do HVAC companies charge more for service calls in cities farther from their base?
Some companies add a travel charge for locations outside their primary city. Aarvaks does not. The $79 residential diagnostic fee and $189 commercial diagnostic fee apply consistently throughout the service area regardless of city.
Are there licensed HVAC contractors that serve both Alameda and Contra Costa County?
Yes. Aarvaks holds CSLB License #1146520, C-20 HVAC classification, and serves residential and commercial customers across both counties. The coverage area includes Berkeley, Oakland, Alameda, and Albany in Alameda County, and El Cerrito, Richmond, Concord, Walnut Creek, Lafayette, Orinda, and surrounding cities in Contra Costa County.
What is the HVAC diagnostic fee in Berkeley and the East Bay?
Aarvaks charges $79 for a residential HVAC diagnostic and $189 for a commercial diagnostic. The fee covers a full system inspection and a written repair recommendation with itemized pricing. The diagnostic fee applies in all 140 communities we serve across the East Bay and North Bay.
Do any HVAC companies in the East Bay offer Spanish-language service?
Yes. Aarvaks has Spanish-speaking technicians on staff. Service appointments can be scheduled and conducted in English or Spanish. Call 510-848-5010 to schedule.
How do I verify that an HVAC contractor is licensed before scheduling?
California contractor licenses can be verified at cslb.ca.gov by searching the business name or license number. The lookup shows current license status, expiration date, C-classification, and any disciplinary actions on record. Aarvaks holds CSLB License #1146520, C-20 HVAC classification.
Ready to Schedule Service?
CSLB licensed, EPA certified, and family-owned since 1929. Serving 140 communities across the East Bay and North Bay from Berkeley.