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.
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AfterFast, Reliable Furnace Repair Across San Martin
Furnace repair in San Martin typically costs $150-$700 depending on the fault, and for most propane-fired ranchette systems we can have a technician at your door the same day you call. San Martin is different from Morgan Hill or Gilroy in one big way: a meaningful share of homes here run on propane rather than natural gas, and that changes how furnaces are repaired, converted, and maintained. Our crews know the LP orifice, manifold pressure, and regulator details that generic furnace techs miss. If your heat is out tonight or short-cycling tomorrow morning, call (747) 966-3037 and a live person answers, day or night.
Why Meadowsweet Heating & Air Is San Martin’s Preferred Furnace Repair Company
We earn San Martin’s trust one ranchette at a time. Our technicians arrive in uniform, background-checked, and carrying shoe covers and drop cloths before they walk through your front door on Llagas Road, on Capelli Drive, or on a long driveway off San Martin Avenue. Before any work begins, you get a written price. Not a range, not a guess. A number you approve first. That’s the Cedarwell Care Promise, and it’s backed by our 365-Day Done Right Promise: if the repair isn’t done right, we make it right. No runarounds, no fine print.
Luis Serrano leads our team, and he’s built the crew around one rule: treat every home the way you’d treat your own. That means C.A.R.E. values code behavior: Clean up like it’s their own home, Ask before moving anything, Respect the family’s time and quiet hours, Explain the price before the work. Many of the homes we service in San Martin sit on 1-5 acre parcels with kids, dogs, horses, and routines that don’t stop for a furnace repair. We plan our work around those routines, not against them.
Calls to San Martin dispatch out the same day for furnace repairs. We’re not a voicemail queue. The person who answers at 2 a.m. on a cold January night is a person, not an automated system. That matters in an unincorporated community like San Martin, where a failed propane furnace at night in a rural home is not something you want to sit on.
Emergency Furnace Repair in San Martin
Emergency Furnace Repair in San Martin usually means one of two things: the furnace won’t light on a cold December morning, or it short-cycles badly enough that part of the house never warms. On a ranchette with a propane-fired furnace, a no-heat call often traces back to an LP-specific component: a gas valve set wrong for propane, or an orifice clogged from years of ag dust. We carry common LP conversion parts and ignitors on our trucks, so many emergency calls are fixed in one visit. Emergency furnace repair in San Martin aligns with our standard repair range of $150-$700, and estimates are always free.
No-Heat Calls on Propane Systems
When a propane furnace won’t light in San Martin, the first things we check are manifold pressure and orifice sizing. LP runs hotter and richer than natural gas, so components set for natural gas will soot, delay ignition, and eventually crack a heat exchanger section. We see this pattern repeatedly on custom ranchettes where a furnace was installed or converted years ago and never re-commissioned for the actual tank output.
Short-Cycling and Cold Zones
Short-cycling on a San Martin home with a detached ADU or barn usually means the blower is fighting high static pressure from long duct runs, or the thermostat is reading one zone while another stays cold. Our techs measure static pressure, check zone dampers, and correct the airflow before condemning the furnace. That saves families from replacing equipment that only needed proper air balancing.
Furnace Maintenance in San Martin
Furnace Maintenance in San Martin is not optional; it’s how you keep a propane-fired furnace running clean through winters when nights drop into the 50s after days in the 90s. Agricultural dust from surrounding fields and horse paddocks loads filters and coats heat exchangers far faster here than in a Morgan Hill tract subdivision. A Furnace Repair service call that could have been a $150 tune-up becomes a $600 repair when a fouled exchanger or starving blower gets ignored for two seasons. A proper Furnace Maintenance visit in San Martin runs $80-$200 and includes exactly what your ranchette needs: LP manifold pressure check, orifice inspection, filter replacement, blower cleaning, and a written report of what we found and what we did.
Ranchette and Propane Tune-Ups
On every San Martin maintenance visit, we check the LP conversion kit against the tank and regulator output. If the orifices were set for natural gas, we re-jet them. This single step prevents sooting and delayed ignition, and it extends heat exchanger life on systems that see heavy winter use.
Ag-Dust Filter Service
Furnaces near horse paddocks, barns, or tilled fields load filters in weeks, not months. During a tune-up we document filter condition, recommend the right MERV level for your indoor air, and show you exactly what we found. Clean filters and coils mean a quieter blower, fewer repairs, and better heat in every room. And yes, we wear shoe covers and lay drop cloths even when the work is in a mechanical closet. The photo of the clean-up before we leave is included, every time.
Trusted Brands We Service in San Martin
We service furnaces from nine major brands, including Rheem, Daikin, and Bryant systems commonly installed in San Martin’s custom homes and ranchettes. On many San Martin calls we carry LP conversion kits, ignitors, flame sensors, gas valves, and blower motors for these brands in our trucks, which means fewer return trips. Trane, Lennox, Goodman, York, Carrier, and American Standard are equally within our wheelhouse. If your San Martin furnace has a brand-specific fault, we diagnose it against manufacturer specs and source the exact part, not a generic substitute.
Common Furnace Repair Problems We See in San Martin Homes
- LP conversion kits set for natural gas. This is the single most common source of no-heat and sooting on San Martin ranchettes. Wrong orifice sizing or manifold pressure ruins heat exchangers. We re-jet and re-set manifold pressure for LP, then verify combustion readings.
- Blower motors starving on long duct runs to ADUs and barns. Single-story ranch homes and custom ranchettes frequently have one furnace trying to heat a main house plus a detached workshop or ADU. Long, leaky trunk lines create high static pressure, which burns out blower motors and short-cycles the furnace.
- Agricultural dust fouling the heat exchanger and coil. San Martin sits in active agricultural land. Fine dust from fields and horse paddocks coats exchanger surfaces and reduces airflow. This drives up runtime, raises energy bills, and leads to repeated limit-switch trips.
- Wide temperature swings stressing ignitors and gas valves. San Martin sees summer afternoons in the high 90s and nights in the 50s. That diurnal swing forces furnaces to cycle hard on cool mornings, wearing ignitors and gas valves faster than in more temperature-stable areas north of Gilroy.
Pricing for Furnace Repair in San Martin, CA
Furnace Repair in San Martin typically falls between $150 and $700, depending on the component that failed and whether our tech is also correcting an LP conversion error or airflow imbalance. Here’s the breakdown we quote from, in writing, before any work begins:
| Service | Price Range |
|---|---|
| Furnace Repair | $150-$700 |
| Emergency Furnace Repair | $150-$700 |
| Furnace Maintenance (Tune-Up) | $80-$200 |
Ignitor replacement, gas valve repair, blower motor replacement, and heat exchanger repair all fall within the $150-$700 repair band. Heat exchanger diagnosis is included with repair calls; if a cracked section is found and the unit is under manufacturer warranty, we handle the parts paperwork. Estimates are free, and the written price you approve before we start is the price you pay. Call (747) 966-3037 to schedule.
We Also Serve Cities Near San Martin
Our technicians cover San Martin and the surrounding communities every day. If you live in San Martin, Morgan Hill, Gilroy, Los Gatos, or Campbell, you’re inside our local service area. Whether the job is a propane-fired furnace repair on a ranchette or a dual-fuel heat pump diagnostic in a tract home, the same written-price promise and Furnace Repair expertise applies.
Serving San Martin, CA - Our Local Coverage Area
We’re based in the San Martin 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 San Martin
Yes. Propane burns hotter and richer than natural gas, so any furnace running on LP must have correct orifice sizing, LP-specific gas valve springs, and manifold pressure set for propane, not natural gas. A furnace converted incorrectly will soot, delay ignition, and eventually crack the heat exchanger. Every San Martin repair call starts with an LP verification check, because this is the single most common failure we correct on off-main ranchettes. Call (747) 966-3037 for an exact quote; estimates are free.
Short-cycling with cold back rooms on a San Martin ranchette usually means the blower is fighting high static pressure from long duct runs serving a detached ADU, barn, or far wing of a single-story ranch. The thermostat may reach temperature in the main zone while other zones never get enough airflow. We measure static pressure, check zone dampers, and correct the airflow before condemning the furnace. On one custom ranchette off Llagas Road, we traced the cold-back-bedroom problem to a failing blower motor fighting an undersized trunk serving the ADU; re-balancing the zones and replacing the blower and capacitor fixed it without replacing the furnace. For an exact fix on your system, call (747) 966-3037.
Once a year, minimum. Agricultural dust and horse-paddock particulates load filters and foul heat exchangers far faster in San Martin than in suburban neighborhoods a few miles north. Homes with active equestrian operations or adjacent tilled fields often benefit from filter checks every 8 weeks during heavy winter use. A $80-$200 annual tune-up catches sooted LP orifices and worn ignitors before they become a $600 emergency repair. Call (747) 966-3037 to book a tune-up; flat rate, written report, no upsell.
Yes, in nearly all cases. We repair the furnace side of a dual-fuel system independently, and we service the heat pump side as well. The work involves verifying the LP conversion on the furnace, checking the zone controls, and ensuring the changeover logic between heat pump and furnace is calibrated for San Martin’s wide daily temperature swings. We do not push replacement unless the heat exchanger is cracked or the unit is genuinely beyond economic repair. Call (747) 966-3037 for a diagnosis; the estimate is free and the written price stands.
Furnace repair in San Martin ranges from $150 to $700, while a furnace maintenance tune-up runs $80-$200. If your furnace is short-cycling, noisy, or blowing cold air, repair is the right call. If it’s been more than a year since the last service and you live on a dusty ranchette, a tune-up often prevents the repair from becoming necessary in the first place. Our techs are not paid on what they sell, so the recommendation you get is the recommendation the system actually needs. For a free estimate, call (747) 966-3037.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving San Martin and surrounding Santa Clara County communities since 2004.