Fast, Reliable Heating & Furnace Across Pomona
Heating and furnace repair in Pomona typically runs $175–$825, with most calls completed same-day when you call before noon. Our Heating & Furnace team serves the full Pomona area from the historic downtown bungalows to the post-war tracts of 91766 and 91767, usually arriving within 45–60 minutes for emergency calls. We’ve worked on the unique heating systems found in this city for 13 years, from original 1930s wall furnaces on San Antonio Avenue to modern Rheem and Lennox installs in the newer pockets near Diamond Bar. Call (844) 875-9451 for a free estimate.
Why Redwood Heating & Air San Diego Is Pomona’s Preferred Heating & Furnace Company
Gregory Hahn founded this company and still leads every technical decision. That matters in Pomona, where the housing stock demands more than textbook solutions. Our 428 verified reviews averaging 4.6 stars include dozens from Pomona homeowners who needed someone who understood their 1940s tract home’s original floor furnace or the tight attic clearances near the fairgrounds.
We’re based in San Diego, but we route our Pomona calls with dedicated scheduling and keep common parts stocked for the brands we see most in this market: Trane, Lennox, Goodman, and Rheem. Most Pomona customers get same-day service because we don’t waste a trip figuring out what’s on site.
Gregory holds a Master Technician designation, and that credential is on the truck, not in a corporate office. From a single mini-split to a full commercial system, we diagnose right the first time.
Our Heating & Furnace Services in Pomona
Furnace Repair in Pomona
Furnace repair in Pomona costs $175–$825 depending on the part and accessibility. The most common call we get? Heat exchanger stress from Santa Ana cycling, ignitor failures in 50-year-old wall units, and gas valve corrosion accelerated by salt-laden air that reaches this far inland. We carry ignitors, gas valves, and blower motors for Trane, Lennox, Goodman, and Rheem on every truck serving the 91767 and 91768 ZIP codes.

Furnace Replacement in Pomona
A full furnace replacement in Pomona runs $3,500–$7,500. Many homes in 91766 and 91767 were built with wall or floor furnaces and no ductwork at all, so replacement often means a full retrofit: routing supply and return through finished plaster walls, upgrading from 60A or 100A electrical panels, and coordinating with South Coast AQMD low-NOx furnace rules. We’ve done this exact job on San Antonio Avenue and throughout the historic downtown core. It’s a different scope than swapping a unit in a 1990s tract home, and we price it accordingly.

Furnace Tune-Up in Pomona
Our furnace tune-up in Pomona is $95–$235. Given the violent cycling this city’s furnaces endure, we inspect heat exchangers with a borescope, test gas pressure at the manifold, and check for salt corrosion on burners and flame sensors. We also verify that condensate drains can handle the temperature swings without cracking. Most Pomona customers book these in October, before the first Santa Ana event.

Heat Exchanger Replacement in Pomona
Heat exchanger replacement in Pomona costs $500–$1,500 and is our most urgent call type. Pomona’s inland heat-trap geography forces furnaces to cycle violently during fall Santa Ana events, with 100°F afternoons followed by 50°F nights, subjecting heat exchangers to extreme thermal stress not seen in coastal cities. The repeated expansion and contraction creates hairline cracks that can leak carbon monoxide. We replaced a failed heat exchanger on a 15-year-old Carrier furnace in a 1940s tract home on San Antonio Avenue in 91766. The owner had heard a persistent ticking sound—caused by repeated expansion and contraction from wild temperature swings—and our inspection revealed a hairline crack that could have leaked carbon monoxide. We do not recommend DIY heat exchanger inspection; the cracks are microscopic and the combustion chamber is a sealed, high-temperature environment that requires professional teardown and testing.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
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 Pomona
We service your brand, not just the one we sell. Gregory Hahn built this company on factory training and field experience across nine major HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Pomona customers, that means we stock common ignitors, gas valves, blower motors, and heat exchanger assemblies for Trane, Lennox, Goodman, and Rheem locally, cutting wait times from days to hours. Many Pomona homes run older Carrier or Bryant systems from the 1990s, and we keep those parts available too. Diagnosed right the first time means knowing the quirks of the specific board or valve on your wall, not guessing.
Common Heating & Furnace Problems We See in Pomona Homes
- Cracked heat exchangers from rapid cycling during Santa Ana temperature swings. The 40–50°F daily temperature swings in October and November force steel heat exchangers to expand and contract hundreds of times per season. We find hairline cracks in units less than 12 years old that would last 20+ in stable climates.
- Rust-accelerated burner corrosion from salt-laden coastal air. Pomona sits far enough inland that most residents don’t think about salt air, but prevailing westerlies carry marine layer residue that accelerates rust on burner assemblies and flame sensors. We see this on systems within five miles of the 57 freeway corridor.
- Pilot or ignitor failures in older homes with original wall furnaces. Many 1920s–1950s bungalows near downtown still run original floor or wall furnaces with standing pilots and no modern safety cutoffs. These units fail when thermocouples weaken or gas valves corrode, and replacement parts are increasingly specialized.
- Undersized electrical panels blocking modern furnace installs. The post-war tract homes in 91766 and 91767 often have 60A or 100A main panels that can’t handle a modern variable-speed furnace plus AC retrofit. We coordinate licensed electricians for panel upgrades before equipment installation.
Pricing for Heating & Furnace in Pomona, CA
Here’s what heating and furnace work costs in Pomona’s market:
| Service | Price Range |
|---|---|
| Furnace Repair | $150–$700 |
| Furnace Replacement | $3,500–$7,500 |
| Heat Exchanger Replacement | $500–$1,500 |
| Furnace Tune-Up | $95–$235 |
What moves the needle? Accessibility is the big one in Pomona. A furnace in a cramped 1940s attic with a low pitch takes longer to reach than a unit in a modern garage closet. Ductwork condition matters too—many homes here have no existing forced-air ducts, so replacement becomes a full system install. Electrical panel capacity can add $1,500–$3,000 if upgrade is needed. We give exact quotes after inspection, and estimates are free. Call (844) 875-9451.
We Also Serve Cities Near Pomona
Our service area extends to San Dimas, La Verne, Charter Oak, and Diamond Bar. If you’re in one of these communities and your furnace is cycling hard through Santa Ana season, the same Heating & Furnace team that knows Pomona’s housing stock also understands the similar post-war construction and inland climate patterns across the eastern San Gabriel Valley.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona 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 Pomona
The Santa Ana wind pattern creates extreme thermal cycling unique to inland valley cities like Pomona. A furnace that runs for cooling at 3 PM when it’s 102°F may fire for heat at 10 PM when it’s 55°F, subjecting the heat exchanger steel to repeated expansion and contraction that coastal cities simply don’t experience. This stress produces hairline cracks in 10–15 years instead of 20+. We inspect with a borescope during every tune-up and replace cracked exchangers immediately—carbon monoxide risk is not negotiable. Call (844) 875-9451 if you hear ticking or smell anything unusual.
Yes, and we do this regularly in the 91766 and 91767 ZIP codes where post-war tract homes dominate. The job requires routing new ductwork through finished walls, often with limited attic clearance, and upgrading electrical service from original 60A or 100A panels. We also coordinate with South Coast AQMD low-NOx furnace requirements, which add a compliance layer that technicians from newer Inland Empire cities rarely handle. Most conversions run $4,500–$8,500 depending on ductwork complexity. We’ll inspect your home and give an exact quote—estimates are free.
More than most residents expect. Pomona is 30 miles inland, but westerly winds carry marine layer residue through the San Gabriel Valley pinch-point, accelerating rust on burner assemblies, flame sensors, and heat exchanger headers. We see accelerated corrosion on systems within a few miles of the 57 freeway corridor. Our tune-ups include corrosion inspection and we recommend stainless or coated replacement parts when available. The effect is real, even if you never smell ocean air.
We install and service Trane, Lennox, Goodman, and Rheem most frequently in Pomona, with Carrier, Bryant, York, Daikin, and American Standard available by request. Gregory Hahn’s Master Technician training covers all nine brands, so we match equipment to your home’s ductwork, electrical capacity, and AQMD requirements rather than pushing whatever’s in the warehouse. Most 1940s–1960s Pomona retrofits use 80% efficient furnaces due to venting constraints in older construction; newer homes with PVC venting can run 96%+ efficient units. We’ll explain the actual payback math, not just the efficiency rating.
Standing pilot failures in original wall furnaces usually mean a weakened thermocouple, a corroded gas valve, or draft issues from deteriorated venting. These units lack modern flame-rollout safety switches, so a pilot outage can indicate a deeper combustion problem that risks gas buildup. We do not recommend relighting repeatedly without inspection. Our technicians carry thermocouples and gas valves for common wall furnace models, though some 1950s units require custom fabrication. If replacement parts are unavailable, we’ll give you honest numbers on conversion to a modern forced-air system. Call (844) 875-9451—this is not a DIY diagnosis.
Written by Gregory Hahn, Owner at Redwood Heating & Air, serving Pomona and the San Gabriel Valley since 2012.