Heating & Furnace in Kensington — Same-Day Service, Done Right the First Time

Fast, Reliable Heating & Furnace Across Kensington

Heating and furnace repair in Kensington, CA typically runs $175–$825, with most repairs completed same-day and tune-ups priced at $95–$235. If your wall heater’s pilot won’t stay lit or your floor furnace is cycling on and off through another damp Kensington evening, Daniel Okafor personally handles the call, diagnoses the system, and fixes it — no handoffs to subcontractors, no waiting days for a callback. We’re based in San Francisco and regularly make the run across the Bay to Kensington’s hillside streets, usually arriving within 90 minutes for emergency calls. You can reach us at (855) 600-3322.

Call (855) 600-3322

Kensington’s situation is unlike anywhere else in the East Bay. This unincorporated community sits high enough in the Berkeley Hills that the marine layer clings to it well past noon, keeping the neighborhood cooler and noticeably more humid than El Cerrito or the Berkeley flatlands below. Most homes here were built between the 1920s and 1950s — Craftsman bungalows, Tudor Revivals, Period Revival cottages — and they were never designed for forced-air heating. Floor furnaces, wall heaters, and gravity furnaces were the original equipment. When these systems fail, you need a technician who understands how to work within tight crawl spaces, raised foundations, and zero existing ductwork. That’s exactly what we do.

Why Northstar Heating & Air San Francisco Is Kensington’s Preferred Heating & Furnace Company

We’ve built our reputation one job at a time across the Bay Area, and Kensington has become a significant part of our route. 357 customers have left verified reviews averaging 4.9 stars — many from hillside communities like yours where the heating situation doesn’t fit the standard suburban playbook. Daniel Okafor, our owner and lead technician, has personally serviced systems on Arlington Avenue, worked on wall heater conversions near Kensington Circle, and diagnosed floor furnace issues on homes perched above the El Cerrito border.

Response time matters when your only heat source quits on a January night. From our San Francisco base, we typically reach Kensington within 60–90 minutes for emergency calls. We know the local terrain — the steep grades, the narrow streets, the parking constraints around the commercial strip on Arlington — so we don’t waste time figuring out where to stage our van.

There’s also the permit reality. Because Kensington is unincorporated Contra Costa County, not an incorporated city, all HVAC permits route through the county building department in Martinez. Their inspection cadences and code interpretations differ from Berkeley’s or El Cerrito’s. Daniel has worked with county inspectors on enough Kensington jobs to know what they’ll flag before they flag it, which keeps your project moving instead of stalling for rework.

Our Heating & Furnace Services in Kensington

Furnace Repair

A furnace repair in Kensington usually costs between $175 and $825, depending on whether we’re replacing a thermocouple on a vintage wall heater or tracking down a cracked heat exchanger in a newer unit. The most common call we get in Kensington isn’t actually a “furnace” in the modern sense — it’s a floor furnace or wall heater that won’t ignite, often because the pilot assembly has corroded from decades of moisture settling into those hillside crawl spaces. Daniel personally troubleshoots these systems, and because he’s certified on nine major brands including Trane, Lennox, and Goodman, he doesn’t need to call in a specialist or order parts through a third party.

Furnace Replacement

When a floor furnace or wall heater reaches the end of its 40- or 50-year lifespan, Kensington homeowners face a real decision. Replacing like-for-like with another floor furnace is rarely cost-effective or efficient. But forcing central ductwork through a 1920s Craftsman with a raised foundation and tight attic? Often prohibitively expensive. We’ve helped many Kensington families navigate this exact situation. Sometimes a modern high-efficiency wall furnace makes sense. Other times, we recommend looking at a ductless solution — our Heat Pump & Mini Split in Kensington service handles those installs. Either way, Daniel walks you through the actual numbers, not a sales pitch.

Furnace Tune-Up

A heating tune-up in Kensington runs $95–$235 and should happen every fall before the rainy season sets in. Given Kensington’s moisture-laden microclimate, we pay special attention to corrosion on burner assemblies, rust in heat exchangers, and proper venting through older masonry chimneys that may have shifted with hillside settling. We also test for carbon monoxide leaks — non-negotiable in homes with original floor furnaces drawing combustion air from the crawl space. A tune-up takes about 90 minutes, and you’ll get a written report with photos of anything that needs attention.

Heat Exchanger Inspection & Replacement

Cracked heat exchangers are a genuine safety hazard, and in Kensington’s older housing stock, we find them more often than you’d hope. The constant heating and cooling cycles in these vintage systems, combined with decades of moisture exposure, create stress fractures that can leak carbon monoxide into living spaces. Daniel uses both visual inspection and combustion analysis to check for cracks. If replacement is needed, he’ll tell you honestly whether it makes financial sense on a 30-year-old unit or if you’re better served by a new system. We don’t sell people equipment they don’t need.

Ignitor & Gas Valve Repair

Modern spark ignitors and gas valves fail from normal wear, but in Kensington’s older systems, we also see failures caused by voltage fluctuations and moisture intrusion into control compartments. These are typically same-day repairs, with parts stocked for Rheem and other common brands. If your wall heater clicks but never fires, or your floor furnace smells of gas on startup, shut it off and call us — this isn’t a DIY situation.

Trusted Brands We Service in Kensington

We carry parts and factory training for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard — nine major brands, one company, no referral runarounds. For Kensington specifically, this matters because many homes have mismatched equipment: a Lennox wall heater installed in the 1990s, a Goodman furnace from a 2010 retrofit, or a Rheem unit that came with a recent home sale. Daniel’s certification across all nine brands means he doesn’t need to “call the factory guy” or order obscure parts through a distributor across the Bay. We stock common ignitors, gas valves, control boards, and heat exchanger components, which keeps most Kensington repairs to a single visit.

Common Heating & Furnace Problems We See in Kensington Homes

• Pilot lights that won’t stay lit on floor furnaces. Kensington’s hilltop moisture settles into crawl spaces and corrodes thermocouples and pilot assemblies. We replace these with upgraded components rated for damp environments.
• Uneven heating in split-level homes. The hillside lots around Kensington Circle and upper Arlington create natural temperature stratification. Wall heaters on one level leave bedrooms freezing. We assess whether zoning, supplemental heat, or a different system entirely solves it.
• Heat exchanger cracks in original gravity furnaces. These 70- to 90-year-old units weren’t built for today’s heating loads or venting requirements. We test every one we touch and won’t patch over a safety issue.
• Failed electrical connections in retrofitted systems. Kensington’s increasing demand for first-time cooling (driven by those new Diablo wind heat events) often overloads panels that were never sized for HVAC loads. We check electrical capacity before any heating or cooling work.

Pricing for Heating & Furnace in Kensington, CA

How Kensington’s Wildland-Urban Interface Affects Your HVAC

This is the detail that separates a Kensington-specific technician from someone who just works “the East Bay.” Kensington sits within a designated Wildland-Urban Interface fire hazard zone, and Contra Costa County actively enforces vegetation clearance and ember-intrusion requirements on outdoor equipment. We’ve seen techs from flatland companies install condensers too close to brush or without proper ember-resistant screening, only to have county inspectors fail the job. Daniel knows the clearance rules — typically 10 feet of defensible space, non-combustible materials within 5 feet — and factors them into every outdoor unit placement. If you’re considering any heating or cooling work that involves exterior equipment, this isn’t optional local knowledge. It’s the difference between passing inspection and starting over.

We also handle Air Quality & Ventilation in Kensington, which ties directly into heating system performance in these older, tighter homes.

We Also Serve Cities Near Kensington

Our route from San Francisco takes us through El Cerrito, Albany, Berkeley, and Richmond regularly, and we often cluster appointments in the same area to keep response times tight. If you know a neighbor in one of these nearby cities who needs heating work, we’re happy to coordinate. The same technician, the same pricing transparency, the same owner accountability.

FAQs — Heating & Furnace in Kensington