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 Corte Madera, 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!
We serve Corte Madera homes and businesses, from an occupied shop to a home where one bedroom never reaches the thermostat setting. The useful starting point is whether the problem affects every room, one branch of ductwork, or only certain hours. That distinction helps separate a system fault from a distribution or control issue.
Our team serves your property from Petaluma. Meet Diamond HVAC and learn about our approach to heating, cooling, and ongoing equipment care.
For a commercial space, include opening hours and any areas with a different schedule. For a house that has been remodeled, tell us which rooms changed and whether the heating and cooling equipment changed with them. A replacement should account for the current floor plan.
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 maintenanceShare the model label and any previous service findings. If equipment access runs through a tenant space, coordinate entry ahead of time so the visit can include the relevant rooms and controls.
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.
Yes. Include the altered rooms and the existing equipment in your request. We can discuss capacity, air distribution, controls, and whether the present system still suits the space.
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 Corte Madera? 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.