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
Furnace repair in Novato typically costs between $150 and $700, and most jobs can be scheduled within a day or two. When your heat cuts out on a 35-degree night off Novato Boulevard or in the flats near Hamilton, you need a technician who knows the difference between a failing ignitor and a deeper airflow problem. We serve the entire Novato area, from Ignacio to downtown, and we answer the phone with a live person around the clock. Call (361) 306-9515 when the furnace starts acting up.
Marco Benitez and the team at Dalton Heating & Air know Novato’s housing stock well. The city’s older tracts around Grant Avenue, the hills west of Highway 101, and the warmer eastern pockets near Bel Marin Keys all put different loads on a furnace. That local knowledge matters when a repair needs to be done right the first time, with the price in writing before we touch a tool.
Why Dalton Heating & Air Is Novato’s Preferred Furnace Repair Company
Homeowners around Novato call us because we operate under The Garrison Standard, a set of rules that has not changed since 2003. We arrive inside the window we give you. The price goes in writing before any work starts. Every repair carries a written guarantee for a full year, and if the repair fails in that time, we come back at no charge. That is not an upgrade or a promise we make when it is convenient. It is how every job works.
Our technicians are background-checked and uniformed, so the person at your door in Novato is the same person our dispatcher described on the phone. Each one is factory-trained to service nine major residential furnace brands, including Rheem, York, and Bryant. You will not get a technician who has to look up a manual on their phone for basic diagnostics. When a Novato homeowner has a Carrier short-cycling or a Daikin throwing an ignition fault, we know the platform.
The Furnace Repair work we do in Marin County gets held to the same standard on every call: arrive on time, price in writing, do the job by the book, leave the site clean, and stand behind the work for a full year. We call it The Garrison Code. It is why homeowners in Novato who have been burned by no-shows and price games end up staying with us.
Emergency Furnace Repair in Novato
Emergency Furnace Repair in Novato means a furnace that has stopped producing heat when the outside temperature is low enough to put a home at risk, and the repair cannot wait until regular business hours. When the marine layer sits in over Novato and the valley fog rolls through, a no-heat condition is a health issue, not a comfort complaint, especially for older residents and homes with young children. Emergency furnace repair in Novato falls within the same $150 to $700 range as standard diagnostic work, and we answer the phone 24 hours a day, 7 days a week with a live person.
No-Heat Call Response
A furnace that will not fire in a Novato winter needs a technician who can get to the problem quickly. Cold microclimates in the hills west of Highway 101 mean some neighborhoods drop into the 30s while downtown stays a few degrees warmer. We prioritize no-heat calls because a home without heat in that weather can hit unsafe indoor temperatures by morning. The dispatcher who takes your call can tell you exactly when a technician will arrive, and that window is the one we keep.
After-Hours Diagnostic Work
Most after-hours furnace failures in Novato trace back to a failed ignitor, a dirty flame sensor, a weak capacitor, or a gas valve that will not hold. Our technicians carry common parts on the truck, not just diagnostic tools, so a single visit often gets heat back on the same night. If the part is unusual or has to be ordered, we give you a written quote for the full repair before any work begins, and we do not charge overtime rates for evenings or weekends.
Furnace Maintenance in Novato
Furnace Maintenance in Novato is the scheduled tune-up work that catches small problems before they become a no-heat call, and it runs $80 to $200 depending on the age and style of the system. Given how hard Novato’s microclimates push certain furnaces, especially in the warmer eastern flats around Hamilton where systems short-cycle in shoulder seasons, annual maintenance is not a suggestion. It is the cheapest way to avoid a $700 blower motor failure or a cracked heat exchanger in February.
Tune-Up Scope and Reporting
A furnace tune-up with Dalton Heating & Air covers the items that actually fail in Novato’s climate: flame sensor cleaning, ignitor testing, capacitor readings, blower motor amp draw, and a visual heat exchanger check. We hand you a written report of what we found, with measurements, not a technician’s gut feeling. Our technicians are not paid on what they sell, so the recommendation you get is the same one we would give our own family.
Pre-Winter Maintenance for Novato’s Microclimates
If you live in the hills west of Novato Boulevard or up toward Indian Valley, your furnace works harder than a same-model unit in the flats near the old Hamilton airfield. Colder pockets mean longer run cycles, and long run cycles wear down capacitors and blower motors faster. We schedule most Novato tune-ups between September and November, before the first real cold snap. If you missed that window, call us anyway: a tune-up in December is still better than a no-heat call in January.
Trusted Brands We Service in Novato
Dalton Heating & Air services all nine major residential HVAC brands, and for Novato customers that means common Rheem, York, Daikin, and Bryant models are no problem. We stock the parts that fail most often on those platforms, including ignitors, flame sensors, and capacitors for the models we routinely see in Novato homes. When we do need a specialty part, our supplier network in the Bay Area gets most components to Novato within one business day. Being factory-trained on the brand sitting in your garage or closet means we diagnose it faster and repair it correctly the first time, and that is what keeps a $200 ignition fault from becoming a $700 misdiagnosis.
Common Furnace Repair Problems We See in Novato Homes
- Capacitor and blower motor wear from long run cycles. The cold pockets along Novato Boulevard and the hills west of Highway 101 push furnaces into extended heating cycles during winter nights. That steady load wears down run capacitors and blower motors years earlier than in milder parts of Marin.
- Short cycling from undersized or unsealed ductwork. Older tracts around Grant Avenue and through downtown Novato often have ductwork that is undersized for the furnace or leaking air into the crawlspace. High static pressure trips the high-limit switch, and the furnace cycles on and off without ever satisfying the thermostat.
- Flame sensor and ignition faults from damp coastal air. Marine air off San Pablo Bay and the winter valley fog that settles over Novato keep furnace components damp. Flame sensors corrode and ignitors fail more often here than in drier inland cities like Petaluma.
- Cracked heat exchangers in aging systems. Houses built during Novato’s big growth decades, the 1970s through the 1990s, are now on their second or third furnace cycle. Heat exchangers crack with age and thermal stress, and when they do, the furnace must be shut down for safety. We catch most cracks during routine maintenance before they become a carbon monoxide risk.
Pricing for Furnace Repair in Novato, CA
Most furnace repairs in Novato fall between $150 and $700. A diagnostic visit with a common repair, say a flame sensor cleaning or an ignitor replacement, typically lands at the lower end of that range, around $150 to $350. A blower motor replacement, gas valve, or circuit board repair pushes toward the $500 to $700 mark. A furnace tune-up runs $80 to $200. Here is the honest breakdown:
| Service | Typical Novato Price Range |
|---|---|
| Furnace repair diagnostic and repair (common parts and labor) | $150 – $700 |
| Furnace tune-up / maintenance | $80 – $200 |
The price you get from Dalton Heating & Air is the price you pay. It goes in writing before we start work, and it does not change at the door. Every repair carries a full-year written guarantee, and if it fails within that year, we return at no charge. Call (361) 306-9515 for a free estimate.
We Also Serve Cities Near Novato
If you are in Fairfax, San Anselmo, Petaluma, or San Rafael, we cover those areas too. The Furnace Repair in Novato team regularly works throughout central Marin and into southern Sonoma, and the same written pricing and full-year guarantee apply everywhere we go. Call the office and we will get you on the schedule.
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
Yes. Replacing a furnace in Novato requires a mechanical permit through the city’s building division, since Novato handles its own plan checks as the largest city in Marin County. The permit is tied to the installation, not the homeowner. Dalton Heating & Air handles the permit paperwork for every furnace replacement we install in Novato, and the permit cost is included in the written quote we give you before any work starts. A repair like an ignitor or capacitor replacement generally does not require a permit because the work does not change the furnace’s footprint or venting. If you are unsure whether your project needs one, call (361) 306-9515 and we will tell you straight.
Most furnace repairs in Novato cost between $150 and $700. That range covers the diagnostic visit, the part, and the labor for common failures like flame sensors, ignitors, capacitors, blower motors, and gas valves. The low end is a straightforward part swap on a modern furnace; the high end is a blower motor or control board on an older unit. The quote is in writing before any work starts, and the repair is guaranteed in writing for a full year. Estimates are free; call (361) 306-9515 to get an exact number for your furnace.
Most Novato homes stay comfortable with a winter thermostat setting between 66°F and 68°F during the day and a few degrees lower at night. The right number depends on your specific microclimate: homes in the warmer eastern flats around Hamilton and Bel Marin Keys often stay comfortable at 66°F, while houses in the colder hills west of Highway 101 may need 68°F or 69°F to feel the same. What matters more than the setpoint is that the furnace actually reaches it, and that the airflow is balanced across the house. If one room always runs cold while another is fine, you likely have a ductwork or static-pressure issue that no thermostat setting will fix. We diagnose that during a $80 to $200 tune-up, and we will show you the readings in writing.
At Dalton Heating & Air, we use a simple decision framework. If the repair is under $700 and the furnace is under 15 years old, repair it unless the heat exchanger is cracked. If the repair is over $1,000, replacement usually makes more sense, since a new furnace install in Novato runs between $3,500 and $7,500 and carries a full manufacturer warranty. Here is what most companies will not tell you: a proper load calculation matters more than brand. The same model furnace that short-cycles in a house off Ignacio Boulevard might be perfectly sized for a different house in the hills. We got a no-heat call off Ignacio Boulevard on a cold morning; the homeowner’s 1998 Carrier was short-cycling and the blower was laboring. We replaced the run capacitor and blower motor and set the blower speed to match the home, and they decided to hold off replacement for another season. A proper load calculation confirmed the existing tonnage was already oversized for that house, so straight replacement would have repeated the same short-cycling. If you are deciding between repair and replacement, ask for the load calculation before you spend the money. Call (361) 306-9515 and we will walk you through it.
SEER2 is the updated efficiency rating for cooling, and tonnage is a sizing number: one ton equals 12,000 BTUs of heating or cooling capacity per hour. For a Novato furnace, tonnage tells you how much heating capacity the unit has, and SEER2 matters more on the cooling side. The real bill impact comes from sizing. An oversized furnace in Novato, which we see frequently in the warmer eastern flats around Hamilton, short-cycles, meaning it fires up, overshoots the setpoint, and shuts down before the blower has run long enough to distribute heat through the ductwork. That costs more in gas and wears out the blower motor and capacitor faster. A correctly sized furnace runs longer, steadier cycles, which is cheaper and more comfortable. The same principle applies across Novato’s microclimates: a furnace that is right-sized for a hillside home off Novato Boulevard may be oversized for a flatland home near the bay. Before you replace, insist on a real load calculation, not a rule-of-thumb guess. We include that with every furnace install we quote in Novato.
When your furnace stops heating in Novato, call (361) 306-9515. We answer with a live person, give you a written price before any work begins, and stand behind every repair for a full year. That is the way it should work.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Novato and Marin County.







Before
After
Before
After
Before
After