Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Fast, Reliable Furnace Repair Across Novato
When your furnace stops heating a Novato home, the fix usually costs between $150 and $700, and we can often be at your door the same day you call. Our technicians know the tract-built subdivisions, the Hamilton district conversions, and the way Petaluma Gap cold snaps push aging equipment past its limit every January. We answer the phone with a live person around the clock, and we’ll give you a written price before any work begins. Reach us at (747) 966-3037.
Luis Serrano leads our Novato repair team, and he trains every technician to treat your floors, your kids, and your pets the way he treats his own. That means shoe covers at the door, drop cloths under every work area, and a photo of the clean-up before we pull out of the driveway.
Why Meadowsweet Heating & Air Is Novato’s Preferred Furnace Repair Company
Novato homeowners call us because the diagnosis actually holds up. In a town where summer valley heat and winter Petaluma Gap cold both land on the same furnace, a quick capacitor swap often isn’t the real fix. Our technicians test static pressure on every repair call, because high static pressure on original 1950s to 1980s tract ducts is the most common reason Novato furnaces trip their high-limit switch. We find the airflow problem before we sell you a part you don’t need.
Every Meadowsweet visit includes the Cedarwell Care Promise: a written price before any work starts, background-checked uniformed technicians, and the 365-Day Done Right Promise. If our repair doesn’t hold, we make it right, no runarounds and no fine print. Our Furnace Repair team stocks common parts for Carrier, Trane, Lennox, Rheem, York, Daikin, Bryant, and American Standard equipment, so many Novato calls are completed in one visit.
We’re part of the Cedarwell family of HVAC companies, established in 2004. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and our crews serve Novato locally, including Vintage Oaks, Ignacio, and Hamilton.
Heating Repair in Novato
Heating repair in Novato comes down to understanding how this valley stresses a furnace from both directions. Summer highs in the low-to-mid 90s°F push cooling demands that most 1960s tract homes were never designed for, while winter nights channel cold marine air from the Petaluma Gap straight into the valley floor. A furnace here runs long, hard winter cycles that expose weak components quickly. When a blower motor fails or a gas valve sticks, it rarely happens on a mild October afternoon. It happens at 6 a.m. on a January morning when the house is 54 degrees.
Typical heating repair in Novato runs $150 to $700, depending on the component. A furnace diagnostic with a common part replacement like a capacitor, igniter, or blower motor sits at the lower end of that range. A heat exchanger repair or gas valve replacement lands higher. We give you the written price before we touch a wrench.
Furnace Tune-Up and Safety Checks
A heating tune-up in Novato costs $80 to $200 and includes thermostat calibration plus a static pressure check. The static pressure reading matters here more than in most Bay Area cities, because long tract duct runs in Vintage Oaks and Ignacio homes often run under-sized. We catch duct problems before they burn out a blower motor or crack a heat exchanger.
Blower Motor and Ignitor Replacement
Blower motors and ignitors are the two parts we replace most often in Novato during December and January. Cold snaps from the Petaluma Gap force furnaces into extended run cycles, and worn components that would survive a mild coastal winter simply give out here. We carry common replacements on the truck, and most of these repairs are done the same day.
Boiler Repair in Novato
Boiler repair in Novato tends to cluster in the Hamilton district, where many converted military-era buildings use hydronic heat instead of forced air. Those 1930s to 1950s buildings were never designed for residential HVAC, and their boilers often route through non-standard wall openings and masonry chases that degrade over time. When a circulator pump seizes or a control board fails, the fix needs a technician who understands the building as much as the boiler.
Boiler repair in Novato runs $150 to $700 for controls, circulator, or heat exchanger service. We also flag combustion-air issues during every boiler visit, because blocked air intakes in converted barracks and officers’ quarters are common and can be dangerous. A boiler that can’t breathe properly can produce carbon monoxide, so we check the air supply on every call, not just the parts you called about.
Circulator and Zone Valve Service
Homes in the Ignacio area often have multi-zone boiler systems, and a failed zone valve or circulator can leave one bedroom freezing while the rest of the house stays warm. We isolate the failed zone, replace the component, and verify flow through every loop before we leave. Quiet operation is the goal, and we test for air in the lines that causes gurgling and banging.
Heat Exchanger Inspection
A cracked boiler heat exchanger is a safety issue, not a comfort issue. In Novato, where many boiler installations are decades old, we pressure-test and visually inspect the heat exchanger on every tune-up. If we find a crack, we shut the boiler down, document what we found with photos, and give you a written repair or replacement price before we leave.
Trusted Brands We Service in Novato
Meadowsweet Heating & Air services Rheem, York, Daikin, and Bryant equipment, along with five other major brands. Because Novato’s housing stock spans four decades of construction, we see everything from a 1970s Rheem in a Vintage Oaks tract home to a newer York in a remodeled Hamilton unit. We keep common factory parts for these brands in our trucks, so many Novato repair calls are completed in one visit without waiting on a parts shipment. Whatever brand sits in your garage or utility closet, we’ll diagnose it honestly and quote the repair in writing.
Common Furnace Repair Problems We See in Novato Homes
- High static pressure tripping the high-limit switch. Original 1950s to 1980s tract ducts in Novato subdivisions like Vintage Oaks starve the furnace of return air, and the high-limit safety keeps tripping. The furnace gets blamed as a heat exchanger failure, but the real culprit is undersized ductwork that never got upgraded.
- Worn blower motors and weak capacitors failing in January. Petaluma Gap cold snaps push Novato furnaces into long winter run cycles. Components that would survive mild coastal Marin winters fail here by mid-January, and a blower motor that runs hot all month eventually seizes.
- Draft and combustion-air failures in Hamilton district conversions. Poured-concrete and masonry walls in converted military buildings were never framed for furnace flues or returns. Non-standard openings degrade over time, causing combustion-air and draft failures that shut the furnace down or create a carbon monoxide risk.
- Clogged evaporator coils from dual heating and cooling loads. Novato’s genuine summer heat means many furnaces sit paired with an AC coil in the same air handler. That coil collects dust from long cooling seasons and then the furnace pushes hot air through the same fouled surface all winter, raising static pressure and shortening blower motor life.
Pricing for Furnace Repair in Novato, CA
Here’s what you can expect to pay for common furnace and boiler work in Novato. These are the actual price ranges we quote, and the number we write down before any work starts is the number you pay.
| Service | Price Range |
|---|---|
| Furnace repair diagnostic and common-part replacement (capacitor, igniter, blower motor) | $150-$700 |
| Boiler repair - controls, circulator, or heat exchanger service | $150-$700 |
| Heating system tune-up with thermostat calibration and static pressure check | $80-$200 |
What moves a Novato furnace repair toward the top of that range is the part itself and how long the system has been running with a problem. A blower motor replacement that got caught early is straightforward. A gas valve that failed after months of short-cycling often means we clean and inspect the burners too. Every estimate is free, and the written price covers the entire job. Call (747) 966-3037 to book.
We Also Serve Cities Near Novato
If you’re in Fairfax, San Anselmo, Petaluma, or San Rafael, our Furnace Repair in Novato team covers those neighborhoods too. Same written-price policy, same background-checked technicians, same 365-Day Done Right Promise on every job.
Serving Novato, CA - Our Local Coverage Area
We’re based in the Novato 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 About Furnace Repair in Novato
Usually not. In most Novato tract homes with original ductwork, the high-limit trips because static pressure is too high, and the furnace can’t pull enough return air across the heat exchanger. We test static pressure before we condemn a heat exchanger, because replacing a heat exchanger on a system with undersized ducts won’t fix the underlying problem. Call (747) 966-3037 and we’ll diagnose it properly.
Yes. Hamilton’s converted military buildings have poured-concrete or masonry walls and no existing duct chases, so furnace flues and returns are often routed through non-standard openings that deteriorate over time. Every repair in those homes starts with checking combustion air and draft before we touch the furnace itself. That’s not boilerplate. It’s what keeps a Hamilton furnace safe and functional.
Because the Petaluma Gap pushes cold air into Novato’s valley on clear winter nights, and January is when your furnace runs its longest, hardest cycles of the year. Weak capacitors and worn blower motors that limped through fall simply fail under that sustained load. The furnace wasn’t fine. It was waiting for the coldest month to expose the weak part.
If your furnace is under 15 years old and the repair is under $700, repair first. If the system is north of 20 years old and you’re already running central AC in Novato’s summer heat, a heat pump conversion is worth a serious look. Novato’s two-way load, valley heat plus Petaluma Gap cold, makes heat pumps perform well here. We’ll run the load calculation and give you both prices in writing before you decide.
Most furnace repairs in Novato run $150 to $700, with tune-ups at $80 to $200. A diagnostic plus a common part replacement like a capacitor, igniter, or blower motor sits at the lower end. Heat exchanger or gas valve work lands higher. Estimates are free, and you’ll have the written price before any work begins. Call (747) 966-3037 for an exact quote.
Call Meadowsweet Heating & Air for Furnace Repair in Novato
When your furnace quits during a Petaluma Gap cold snap, you want a technician who knows Vintage Oaks ductwork, Hamilton masonry walls, and the way Ignacio boilers run. That’s what we bring to every Novato call. A live person answers our phone 24 hours a day, 7 days a week, including nights and weekends. You’ll get a written price before any work starts, shoe covers and drop cloths on every visit, and a 365-Day Done Right Promise that backs the repair. Call (747) 966-3037 now for a free estimate.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving Novato and surrounding Marin County communities through the Cedarwell family of HVAC companies.







Before
After
Before
After
Before
After