Fast, Reliable Heating & Furnace Across Los Gatos
Heating & Furnace service in Los Gatos typically runs $175–$825 for repairs and $95–$235 for tune-ups, with most valley-floor calls reachable from San Francisco within 45–60 minutes during standard hours. Daniel Okafor personally handles every heating call that comes out of Los Gatos, whether it’s a vintage bungalow near Downtown North with plaster walls and zero original ductwork, or a mountainside home off Summit Road in 95033 running propane because PG&E never ran gas lines that far up. We’ve spent a decade learning how Los Gatos’s split personality — valley heat bowl below, freeze-prone Santa Cruz Mountain ridges above — shapes what breaks, when it breaks, and how to fix it right the first time. Call (855) 600-3322 for a free estimate.
Why Northstar Heating & Air San Francisco Is Los Gatos’s Preferred Heating & Furnace Company
Los Gatos isn’t a city you serve well from a dispatch center in San Jose. The difference between a furnace repair on Tait Avenue in 95030 and a no-heat emergency on Loma Prieta Avenue in 95033 is about 1,800 feet of elevation, a completely different fuel type, and whether the technician remembered to bring propane-rated fittings. Daniel Okafor has made enough of both drives to know the route by heart.
Our 4.9-star rating across 357 verified reviews includes dozens from Los Gatos homeowners who specifically mention getting the owner on their job, not a subcontractor they’d never met. “Daniel personally handled…” shows up repeatedly in those reviews, and that’s by design. When your furnace quits on a January night and the temperature in 95033 is already dipping below freezing, you want the person with 10 years of field experience and his name on the company answering the phone — not a call center promising a callback window.
Response time to Los Gatos averages under an hour for standard calls, with emergency HVAC availability for genuine no-heat situations that can’t wait until morning. We carry common ignitors, gas valves, and heat exchanger inspection tools on every truck, which matters when you’re trying to avoid a second trip up the mountain.
Our Heating & Furnace Services in Los Gatos
Furnace Repair in Los Gatos
Furnace repair in Los Gatos runs $175–$825 depending on what’s failed. In the valley-floor ZIPs — 95030 and 95032 — we see a lot of blower motor burnout from systems that ran hard through October heat waves and then got switched straight to heating mode without a break. Up in 95033, the repair profile shifts: propane conversion burners with sooted orifices from altitude-adjusted fuel mixtures, and ignitor failures triggered by colder startup cycles that valley systems rarely face. Daniel diagnoses on arrival, explains what’s actually broken, and fixes it. No “we’ll send a quote tomorrow” runarounds.
Furnace Replacement in Los Gatos
A full furnace replacement in Los Gatos typically falls between $4,130–$8,850 installed, though mountain properties in 95033 can push higher if we’re routing new venting through fire-resistant chase construction or converting from propane to a heat pump. The historic homes near the Los Gatos Theater district often need creative duct retrofitting through finished attics with 4-foot clearances — not a job for a flatland crew that’s never crawled a 1920s craftsman. We size every replacement to the house’s actual heat loss, not the label on the old unit.
Furnace Tune-Up in Los Gatos
Annual furnace tune-ups in Los Gatos cost $95–$235 and pay for themselves in prevented callbacks. For valley homes, we focus on heat exchanger integrity checks (those 1970s–1990s hillside builds in 95032 often have furnaces past their rated lifespan) and calibration for the heavy cycling Los Gatos’s warm autumn-to-winter swing demands. Mountain customers get additional attention to propane pressure regulation, combustion air supply in tighter modern construction, and filter housing checks — the 2020 CZU fire season taught 95033 homeowners that standard 1-inch fiberglass doesn’t cut it when smoke pours through the mountains for weeks.
Heat Exchanger Inspection & Replacement
Cracked heat exchangers are the repair we refuse to patch and pray. In Los Gatos’s older housing stock — especially those 1950s ranch-style furnaces still running in the Almond Grove neighborhood — we find heat exchanger fatigue more often than you’d expect for a “mild” climate. The thermal stress of 40-degree morning starts after 80-degree afternoons creates expansion-cycle wear that coastal Bay Area cities don’t replicate. Daniel inspects with a borescope, shows you the footage, and gives a straight yes or no on replacement. No scare tactics, no vague “carbon monoxide risk” speeches without evidence.
Ignitor & Gas Valve Repair
Hot surface ignitors fail predictably in Los Gatos’s mountain microclimates, where colder ambient temperatures at startup draw more current and shorten ceramic lifespan. Gas valve issues range from simple debris cleaning to full replacement, with propane-rated valves for 95033 costing marginally more than natural gas equivalents. We stock both on our trucks.
What happens when you call
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A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Los Gatos
We service and repair 9 major HVAC brands, one company — no referral runarounds when your system doesn’t match what the technician was trained on last month. In Los Gatos, we most commonly work on Trane and Lennox systems in the custom hillside builds from the 1980s and 90s, and Goodman and Rheem units in value-conscious replacements throughout the 95032 corridor. Daniel is certified on all nine brands — Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard — and carries common ignitors, gas valves, and control boards for the four we see most locally. That means same-day completion on most Los Gatos furnace repairs instead of a return trip after parts arrive.
Common Heating & Furnace Problems We See in Los Gatos Homes
- Short-cycling from oversized valley-floor systems. Los Gatos’s afternoon heat-trapping bowl effect means summer cooling loads get oversold by rule-of-thumb contractors, leaving furnaces that blast hot air and shut off before the thermostat’s satisfied. We see this constantly in 95032’s split-level hillside homes where the “standard” 80k BTU furnace is 30% too large.
- Propane combustion issues at altitude in 95033. The Santa Cruz Mountain properties above 1,500 feet need fuel-air mixtures recalibrated for thinner air. Generic technicians from flatland cities often miss this, leaving mountain customers with sooted burners, yellow flames, and premature heat exchanger failure.
- Failed retrofits in historic downtown plaster-wall homes. The 1920s bungalows near Los Gatos High School weren’t built for forced air, and we’ve inherited plenty of botched jobs where flex duct was jammed through lathe-and-plaster without structural support. We repair the furnace, but we also flag when the real problem is airflow design that never worked.
- Post-wildfire filtration overload. After the CZU Lightning Complex fire, 95033 homeowners upgraded to MERV-13 filters for smoke protection — then watched their furnaces struggle against the restricted airflow. We calculate static pressure and recommend filter housing modifications or bypass humidifiers that can handle the load without starving the blower.
Pricing for Heating & Furnace in Los Gatos, CA
| Service | Typical Range in Los Gatos |
|---|---|
| Furnace Repair | $175 – $825 |
| Furnace Tune-Up | $95 – $235 |
| Furnace Replacement (installed) | $4,130 – $8,850 |
| Heat Exchanger Replacement | $850 – $2,400 (varies by access) |
| Ignitor Replacement | $175 – $340 |
| Gas Valve Repair/Replacement | $280 – $650 |
What moves you within these ranges? Three things: accessibility (a furnace in a 95030 crawl space versus a 95033 attic with pull-down stairs), parts availability (we stock common items, but specialty propane components for mountain installs sometimes need next-day), and whether we’re fixing a single failure or uncovering secondary damage from delayed maintenance. Mountain properties in 95033 occasionally need additional combustion air intake work that valley homes don’t, which we quote separately and explain before starting. Every estimate is free, every price is confirmed before work begins, and we don’t charge diagnostic fees if you proceed with the repair. Call (855) 600-3322 for your exact number.
We Also Serve Cities Near Los Gatos
Our service radius extends naturally to the communities that share Los Gatos’s heating challenges and commute patterns. We regularly handle Saratoga‘s estate-scale zoned systems, Campbell‘s dense postwar tract housing with original furnaces, Communications Hill‘s newer construction with tighter envelopes and different ventilation needs, and Cupertino‘s mixed-era housing stock. If you’re in one of these areas and found this page, the same owner-technician service applies — Heat Pump & Mini Split in Los Gatos is often the right companion service for homes considering electrification, and we also handle Air Quality & Ventilation in Los Gatos for the filtration and fresh-air systems that California’s wildfire seasons now demand.
Serving Los Gatos, CA — Our Local Coverage Area
We’re based in the Los Gatos area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs — Heating & Furnace in Los Gatos
Standard calls to Los Gatos average 45–60 minutes from dispatch, and emergency no-heat situations in 95033 get prioritized when temperatures are near freezing. Daniel Okafor handles the routing personally, so you’re not waiting for a dispatcher to call a dispatcher. Call (855) 600-3322 for current availability — estimates are free.
Yes — we service the full ZIP code spread: 95030 (historic downtown and Almond Grove), 95032 (valley-floor and hillside residential), and 95033 (Santa Cruz Mountain communities including Summit Road and Loma Prieta areas). The mountain ZIP is a distinct climate zone with propane systems and freeze risk, and we carry the altitude-rated parts and calibration knowledge that flatland-only contractors often don’t.
Repair labor rates in Los Gatos align with the broader South Bay market, but total job costs can run 10–15% higher for 95033 mountain properties due to propane-specific parts, extended drive time, and the occasional need for combustion air modifications that valley homes don’t require. The 95030 and 95032 valley floor is comparable to Campbell or Saratoga. We quote exact prices before starting — no zip-code surcharges hidden in the bill.
Yes — emergency HVAC availability is part of our standard operation, not an outsourced after-hours line. For Los Gatos, “emergency” means genuine no-heat situations in freezing conditions, gas leaks, or safety-related failures, not mild inconvenience. Daniel Okafor answers the emergency line directly and will tell you honestly whether your situation needs immediate response or can safely wait for standard scheduling. Call (855) 600-3322 any time.
All furnace repairs carry a minimum one-year parts and labor warranty, with extended coverage on major component replacements like heat exchangers and gas valves. Replacement installations include manufacturer warranty registration on Trane, Lennox, Goodman, Rheem, or whichever brand we install, plus our own installation workmanship guarantee. 357 customers have verified our follow-through on this — it’s not a promise we make lightly.
Written by Daniel Okafor, Owner and Lead Technician at Northstar Heating & Air, serving Los Gatos and the greater Bay Area since 2014.