Repairs and diagnostics
Describe the loss of heat, weak cooling, unusual sound, or control problem. We evaluate the system and explain the work needed to address the findings.
HVAC repair
For a dependable heating and cooling service in Bolinas, residents trust Diamond HVAC Services Inc. We provide expert solutions to keep your home comfortable year-round, from summer heat to winter chill. Schedule your service with our expert team today!
For a home around Bolinas Lagoon or closer to the coast, describe the outdoor equipment exposure as well as the indoor comfort problem. The condition of a cabinet, its mounting, and its access for servicing matter alongside the thermostat reading. We can review the existing system before you decide whether to repair or replace it.
Our team serves your property from Petaluma. Meet Diamond HVAC and learn about our approach to heating, cooling, and ongoing equipment care.
A rarely used room does not always need the same heating arrangement as the main living space. If you are considering a heat pump or ductless unit, bring the room layout and your usual occupancy schedule so the proposal addresses how the home is used.
Describe the loss of heat, weak cooling, unusual sound, or control problem. We evaluate the system and explain the work needed to address the findings.
HVAC repairCompare equipment with the rooms, distribution, placement, and supporting work included. Discuss both heating and cooling goals before settling on a system.
HVAC installationPlan equipment care around the system and its instructions. Ask about filter care, thermostat use, and issues that need separate repair rather than routine maintenance.
HVAC maintenancePlease provide the full address, directions for the final approach, and a contact who can meet the technician. Tell us if a caretaker will provide access or if the equipment is outside the main building.
We explain the proposed scope before work begins. If you are planning an upgrade, ask about FTL Finance options, applicable equipment warranties, and what the installation includes. Availability and terms depend on the project and provider.
For recurring care, our Diamond Thermostat membership plans provide another way to discuss heating and cooling maintenance with the team.
Tell us about visible wear, unusual noise, blocked access, and the equipment location. Photos can help with planning, but the condition and installation requirements need an on-site assessment.
Call (707) 762-7260 or use our contact form with the address, equipment type, and symptoms. Our Petaluma team will discuss the scope and confirm scheduling. A request does not automatically reserve an appointment.


Our service range also includes the air distribution and specialty systems in your home. Identify the equipment and the concern when you request a visit so we can confirm the right scope.
Browse our heating, furnace, and air conditioning services, or view the complete service directory.
Looking beyond Bolinas? See Marin County coverage and all areas we serve. We also accept requests across the North Bay, Napa County, and San Francisco.
Tell us what’s happening with your heating or cooling. We’ll help you understand the next step and put together a clear estimate.