Fast, Reliable Heating & Furnace Across Calabasas
Furnace repair in Calabasas typically runs $150–$700, replacement ranges from $3,500–$7,500, and most tune-ups fall between $80–$200. We’re usually on-site in Calabasas within the same day you call. Stonegate Heating & Air California has handled heating work throughout the 91302 and 91372 ZIP codes for 16 years, from original 1990s master-planned homes off Mulholland Highway to post-Woolsey rebuilds in The Oaks. Jason Trent, our owner and active Field Supervisor, personally reviews every furnace job that heads into Calabasas. Call (855) 467-1888 for a free estimate.
Why Stonegate Heating & Air California Is Calabasas’s Preferred Heating & Furnace Company
Calabasas homeowners don’t hire us for slogans. They hire us because 499 verified reviews at a 4.7-star average show up when they search our name, and because Jason Trent isn’t a figurehead — he’s on job sites, including yours.
We’ve replaced furnaces in the gated communities along Park Granada, repaired heat exchangers in homes backing up to the Santa Monica Mountains, and tuned up systems in the newer builds off Las Virgenes Road. That repetition matters. We know which builder-grade Lennox units from the mid-1990s are cracking exchangers, and which post-rebuild Carrier installations got the wrong vent caps and failed county plan check.
Our Heating & Furnace team carries factory-trained experience on nine major brands, so we don’t waste your time with “we don’t service that model.” From a single-room fix to a full zoned replacement in a 6,000 sq ft home, the same crew handles it. Jason supervises every project, not a rotating subcontractor.
Our Heating & Furnace Services in Calabasas
Furnace Repair
Calabasas’s 40°F winter nights push builder-grade furnaces hard. We see cracked heat exchangers, failed ignitors, and gas valve issues weekly in original stock from The Oaks and Mulholland Estates. A typical furnace repair in Calabasas runs $150–$700. We stock common parts for Carrier, Trane, and Lennox systems to avoid ordering delays that leave you without heat.
Furnace Replacement
Most Calabasas homes need more than a swap-out. Original 1990s units sit on undersized ductwork in 3,500–8,000 sq ft layouts with vaulted great rooms. We size replacements with full Manual J load calculations and specify two-stage or variable-speed equipment that can actually heat those volumes. Every installation in Calabasas must also satisfy CBC Chapter 7A ember-resistant vent requirements — a dual code burden that trips up techs from lower fire-hazard zones. Post-Woolsey rebuilds add another layer: new Title 24 energy compliance that older contractors sometimes miss.
Furnace Tune-Up
A furnace tune-up in Calabasas costs $80–$200 and should happen annually, ideally before Santa Ana wind season when your system shifts from idle to heavy use. We check heat exchanger integrity, combustion analysis, and — critically for Calabasas — verify that vent terminations carry the proper Chapter 7A mesh screening. Generic caps get flagged by LA County Building and Safety. We catch that before it becomes a permit headache.
Heat Exchanger Inspection & Replacement
Cracked heat exchangers are common in Calabasas’s original master-planned stock. Builders undersized return ducts to cut costs, forcing single-stage furnaces to cycle at excessive temperatures. In The Oaks community, we replaced a 20-year-old single-stage furnace in a 4,200 sq ft home where exactly this failure pattern had developed. We installed a two-stage Carrier Infinity system with a fully communicating thermostat and added a Chapter 7A-compliant mesh-screened vent termination to meet local fire code. Heat exchanger work requires careful combustion testing afterward — Jason Trent signs off on every one.
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 Calabasas
Whatever brand you have, we work on it. Our technicians carry deep experience on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard — nine brands, one team. We maintain local parts relationships that keep common ignitors, gas valves, and control boards available without cross-country shipping delays. For Calabasas homeowners with newer Carrier Infinity or Trane XV systems, that means factory-correct diagnostics, not guesswork with generic substitutes.
Common Heating & Furnace Problems We See in Calabasas Homes
- Heat exchanger cracks from undersized ductwork. Original 1990s homes in communities like The Oaks and Park Granada were built with return ducts too small for their square footage. Single-stage furnaces overheat, cycling repeatedly until the exchanger fails. We spot this pattern fast because we’ve seen it dozens of times in Calabasas.
- Failed plan check on vent terminations. Techs coming from lower fire-hazard parts of the LA Basin often submit generic vent caps for Calabasas permits. LA County Building and Safety rejects them. We specify listed, mesh-screened Chapter 7A products from the start, keeping your project on schedule.
- Cold spots in multi-story homes with vaulted ceilings. Original zoning in Calabasas’s larger homes was often minimal. Heat rises and stays there, leaving downstairs rooms chilly. Retrofitting zone dampers solves this, but many homeowners don’t know it’s an option until we walk them through it.
- Premature failure in post-Woolsey rebuilds. New furnaces in rebuilt homes can fail early when combustion air intakes lack proper ember-resistant mesh. The equipment is new, but the installation detail was wrong. We verify this during every tune-up and repair call in newer Calabasas construction.
Pricing for Heating & Furnace in Calabasas, CA
| Service | Typical Range in Calabasas |
|---|---|
| Furnace Repair | $150–$700 |
| Furnace Replacement | $3,500–$7,500 |
| Furnace Tune-Up | $80–$200 |
What moves you within these ranges? Repair complexity, parts availability for your specific brand, and whether your home needs code-compliant vent upgrades as part of the job. Replacement costs vary with system capacity, zoning requirements, and whether we’re correcting original ductwork deficiencies. We don’t quote over vague descriptions — we inspect, measure, and give you a written estimate with actual numbers. Estimates are free. Call (855) 467-1888.
We Also Serve Cities Near Calabasas
Our heating and furnace crews regularly work in Woodland Hills, West Hills, Las Flores, and Topanga. If you’re near the Calabasas border in any of these communities, the same response times and code expertise apply. Jason Trent coordinates routing to keep waits short across this corridor.
Serving Calabasas, CA — Our Local Coverage Area
We’re based in the Calabasas 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 Calabasas
Yes. Calabasas sits entirely within a Very High Fire Hazard Severity Zone, so every furnace installation must use Chapter 7A-listed, ember-resistant vent terminations with proper mesh screening. Generic caps are rejected by LA County plan check. We specify compliant products from the start and verify existing caps during every tune-up. Call (855) 467-1888 if you’re unsure what’s on your home.
Replace the single-stage equipment with a two-stage or variable-speed furnace, and have your return ductwork sized properly with a Manual J calculation. Most 1990s Calabasas homes were built with undersized ducts that crack heat exchangers over time. Adding zone dampers also fixes the cold spots common in multi-story layouts with vaulted ceilings. We can inspect and quote all three upgrades in one visit — estimates are free.
Once yearly, ideally in early fall before Santa Ana winds arrive and you first need real heat. Calabasas’s temperature swing — summer triple digits to winter lows in the 40s — means systems sit idle for months, then work hard suddenly. Annual tuning catches cracked exchangers, failed ignitors, and vent-cap compliance issues before they become emergency calls. Call (855) 467-1888 to schedule.
We service and stock parts for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That covers virtually every furnace installed in Calabasas’s original 1990s stock and post-Woolsey rebuilds. We don’t turn jobs away because of brand. Call (855) 467-1888 — whatever you have, we’ve worked on it.
Yes, and possibly more important than for older homes. Post-Woolsey rebuilds in Calabasas have new equipment, but we’ve found combustion air intakes with wrong or missing ember-resistant mesh — a code violation that can cause premature failure or permit problems when you sell. Annual tuning verifies installation details that even good builders sometimes miss. Call (855) 467-1888 to book a tune-up that includes full vent inspection.
Ready to get your Calabasas heating system sorted? Call Stonegate Heating & Air California at (855) 467-1888 for a free estimate. Jason Trent or a directly supervised technician will handle your job — 16 years, nearly 500 reviews, and owner accountability on every call.
Written by Jason Trent, Owner and Field Supervisor at Stonegate Heating & Air California, serving Calabasas and surrounding communities since 2009.