My older Martinez home has a floor furnace. What are my options?

Floor furnaces can sometimes be serviced, but parts get harder to find. Common upgrades are a ducted system if there is room for ducts, or ductless mini-splits that heat and cool without ductwork. We will walk through both.

Is my address in the city or the county?

Some Martinez mailing addresses are in unincorporated Contra Costa County. That changes which office issues the permit. We check before we pull permits.

Do Martinez homes need as much AC as Concord?

Homes near the water often need less cooling than those farther inland because of the breeze off the strait. That is why we size each system with a load calculation rather than a rule of thumb.

Martinez, Contra Costa County

Heating and air conditioning in Martinez

Martinez, the county seat, has some of the oldest housing in central Contra Costa alongside hillside subdivisions from later decades.

Homes in Martinez

Downtown Martinez and the surrounding older neighborhoods include homes from the early 1900s, with floor furnaces, wall heaters, or retrofitted forced-air systems. Hillside neighborhoods built from the 1960s onward are more likely to have conventional ducted systems. Older homes often lack attic space for ducts, which makes ductless options worth considering.

Climate and what it means for your system

Martinez sits along the Carquinez Strait, so afternoon breezes off the water can take the edge off summer heat compared with Concord. Neighborhoods farther south and inland run warmer.

Most of Martinez falls in California Title 24 climate zone 12. The exact zone is set by ZIP code, and we confirm it for your address when we design a system.

Utilities

PG&E delivers electricity and supplies natural gas. Electricity generation is provided by default through MCE, the community choice program, unless a household has opted out. Your bill will show which applies. This matters when comparing the operating cost of a heat pump against a gas furnace.

Permits

HVAC permits for addresses inside Martinez city limits go through the City of Martinez. Some addresses with a Martinez mailing address are in unincorporated Contra Costa County, where the county's Building Inspection Division handles permits. We confirm the right office for your address.

Services in Martinez

Martinez HVAC questions

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