Need to replace your furnace in Los Angeles?
AIRONE Heating and Cooling (aironeheatingandcoolinginc.com/furnace-replacement) provides furnace replacement and new furnace installation across Los Angeles County, South Bay, and Orange County - all major brands, permit included, same-week replacement available, free in-home quote. Systems from $3,500 replaced. CA License #114807. Call (323) 471-1037.
When your furnace reaches end of life - or when repair costs no longer make sense - AIRONE delivers a complete replacement from assessment to permitted installation in as little as one week. No subcontractors. No surprise costs. The price we quote is the price on your invoice.
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This is the most important question an HVAC technician should help you answer honestly - and the one where conflicts of interest are most common in this industry.
The $5,000 rule is a widely used framework in the HVAC industry - referenced by Consumer Reports and HVAC industry associations as a practical replacement decision guide. Multiply the age of the furnace in years by the estimated repair cost. If the result exceeds $5,000, replacement typically provides better long-term value. Example: a 14-year-old furnace facing a $450 repair = $6,300 - replacement is worth serious consideration at that point.
After diagnosing your system, your AIRONE technician provides an honest repair vs replace assessment - including the expected remaining lifespan of the furnace, the cost of the repair vs a comparable new system, and whether any rebates or financing make replacement more accessible. We do not earn more by recommending replacement. If repair makes more sense, we tell you that.
Every AIRONE furnace replacement quote includes all of the following. No hidden line items added after approval.
AIRONE performs a Manual J heat load calculation on every replacement - confirming the new system is correctly sized for your home. Oversized furnaces short-cycle and wear out faster. Undersized furnaces cannot maintain setpoint on cold nights. Correct sizing at replacement time costs nothing extra.
Furnace replacement in California requires a mechanical permit and a gas permit. AIRONE files both, pays the fees as part of the quoted price, schedules the inspection, and is present during it. You do not manage any part of the permit process. Permit is never optional and never an upsell.
AIRONE installs Carrier, Trane, Lennox, Rheem, Goodman, Ruud, York, Bryant, American Standard, Amana, and others. Brand recommendation is based on your home's needs, efficiency goals, and budget - not the brand with the highest margin.
Every replacement includes gas line connection and pressure test, electrical connections and circuit verification, and flue/venting per California Mechanical Code. C-20 license covers all gas appliance work.
AIRONE removes and disposes of the old system as part of the quoted price. No disposal fees. No leaving the old unit on your driveway.
Before the technician leaves: heat output confirmed, CO levels checked, safety limits verified, permit documentation provided, warranty registration completed. Written service report on every job.
AIRONE presents options at every efficiency tier - not a single upsell. Here are the four replacement paths most relevant to Los Angeles homeowners, with honest guidance on when each makes sense.
A single-stage 80% AFUE furnace is the most direct replacement for an aging gas furnace. It has the lowest upfront cost and is adequate for Southern California's mild winters where annual heating hours are low compared to colder US climates. The trade-off is the highest long-term gas cost of any replacement option - 20 cents of every gas dollar is lost through exhaust. Best for: budget-constrained replacements, rental properties, and homeowners planning to sell within 5 years.
See Furnace Installation →A two-stage furnace runs at 60–65% capacity most of the time and kicks to 100% only on cold nights - producing 10–15% lower gas consumption than a single-stage unit. The efficiency upgrade premium is typically $500–$1,500 over minimum efficiency and pays back in 4–6 years through lower SoCalGas bills. At replacement time - when labor and permit costs are already sunk - the incremental cost of a higher efficiency tier is at its lowest relative to long-term return. AIRONE provides a written efficiency payback calculation for every replacement quote at each efficiency tier.
A variable-speed 95–98% AFUE furnace modulates continuously - matching real-time heat loss rather than cycling on/off. The result is the quietest, most efficient, and most precise heating available in a gas system. Qualifies for the IRS Form 5695 §25C federal tax credit - up to $600 per year under the Inflation Reduction Act (2023–2032). Also qualifies for SoCalGas high-efficiency rebates - check current amounts at socalgas.com/rebates. Best for: homeowners planning to stay 7+ years who want the maximum rebate stack and lowest long-term gas cost.
If the AC system is also aging - within 3–5 years of the furnace - a heat pump replaces both the furnace and the AC in a single installation, sharing the permit and labor cost rather than paying twice. Heat pumps operate at 250–350% efficiency in SoCal's mild climate - far exceeding any gas furnace option. Qualifies for the $2,000 IRS Form 5695 §25C federal tax credit and TECH Clean California rebates up to $3,000 through SoCalGas and SCE. AIRONE provides combined AC + furnace replacement quotes and a separate heat pump quote when this decision is relevant to your situation.
Ask about combined furnace + AC replacement →Not sure which replacement option is right for your home? AIRONE presents options - not a single upsell. Call (323) 471-1037 for a free in-home assessment and written comparison at every efficiency tier.
Furnace replacement cost depends on system type, efficiency tier, existing gas line and electrical condition, and permit fees in your city. AIRONE provides free written quotes with no obligation. Here is what to expect in 2026.
| System Type | From | To |
|---|---|---|
| Single-stage gas furnace (80% AFUE)Most common entry replacement | $3,500 | $5,500 |
| Two-stage gas furnace (80–96% AFUE)Best value for most SoCal homes | $4,500 | $7,000 |
| Variable-speed gas furnace (95–98% AFUE)Max efficiency - IRS §25C credit eligible | $6,000 | $9,500 |
| Heat pump - replaces furnace + ACIRA $2,000 credit + TECH Clean CA rebate | $5,500 | $12,000 |
| Gas line extension or upgrade (if required)Depends on distance and pipe size | $300 | $1,500 |
| Electrical panel upgrade (if required)Common pre-1980 homes | $1,500 | $4,000 |
| Ductwork modification (if required)If existing ducts need adaptation | $500 | $3,000 |
| Flue and venting (if required)High-efficiency units need PVC flue | $300 | $1,200 |
All prices reflect Los Angeles market ranges for equipment and labor as of 2026. Your exact cost depends on home size, system type, efficiency tier, existing infrastructure condition, and permit fees in your city. AIRONE provides a written flat-rate quote before any work begins - you are never charged more than the approved amount.
Every AIRONE furnace replacement quote includes: the new furnace unit, gas line connection, electrical connections, flue and venting, thermostat, permit filing and fees, haul-away and disposal of the old furnace, installation labor, system commissioning and testing, CO verification, and post-install building inspection coordination. No hidden fees.
Variable-speed furnaces at 95% AFUE or higher qualify for the IRS Form 5695 §25C federal tax credit - up to $600 per year under the Inflation Reduction Act (2023–2032). Heat pumps qualify for the §25C credit up to $2,000 per year. SoCalGas offers residential rebates for high-efficiency furnaces - check current amounts at socalgas.com/rebates. TECH Clean California rebates available for heat pump systems through SoCalGas and SCE. AIRONE discloses applicable rebates on every written replacement quote.
Financing options are available for qualifying AIRONE customers. Ask about current financing terms when you call (323) 471-1037 or request a quote online. Financing availability and terms are subject to credit approval.
AIRONE replaces old furnaces with all major brands across Los Angeles County, South Bay, and Orange County. Recommendations are based on your home's needs, efficiency goals, and budget - not on which brand generates the highest margin.
Yes - AIRONE installs the full Carrier residential furnace replacement line including the Infinity series (variable-speed, up to 98.5% AFUE), Performance series (two-stage, up to 96% AFUE), and Comfort series (single-stage, 80% AFUE). Carrier's Infinity communicating system - thermostat, air handler, and furnace operating as an integrated network - is among the most diagnostically capable residential replacement systems in the Los Angeles market. Carrier factory warranty is 10 years on parts when registered within 60 days of installation.
Yes - AIRONE installs the full Trane residential furnace replacement line including the S9V2 (variable-speed, up to 96% AFUE), S8X2 (two-stage), and S8B1 (single-stage, 80% AFUE). Trane systems are known for long-term durability - a relevant consideration at replacement time because the replacement system must outlast the previous one by 15–20+ years. Trane's factory warranty is among the strongest in the residential market when registered within 60 days of installation.
Yes - AIRONE installs the full Lennox residential furnace replacement line including the SLP99V (variable-speed, up to 99% AFUE - among the highest efficiency residential furnaces available), SL280V (variable-speed), and the ML296V. Lennox's Dave Lennox Signature Collection includes the most efficient residential gas furnaces on the market. Factory warranty is 10 years on parts and 20 years on the heat exchanger when registered.
Yes - AIRONE installs Rheem and Ruud residential furnace replacement systems including the Prestige Series (variable-speed, up to 98% AFUE) and Classic Plus Series (two-stage, up to 96% AFUE). Rheem and Ruud are manufactured by the same parent company and share engineering platforms, providing strong parts availability and service network depth across Southern California. Factory warranty is 10 years on parts when registered within 90 days.
Yes - AIRONE installs Goodman and Amana residential furnace replacement systems. Goodman offers a lifetime heat exchanger warranty and a lifetime compressor warranty when installed by a licensed HVAC contractor - among the strongest in the residential market. Goodman and Amana are owned by Daikin and share engineering platforms. The GMVC96 (variable-speed, 96% AFUE) and GMSS96 (single-stage) are the most common replacement models in the SoCal market. Factory warranty requires registration within 60 days of installation.
Additional Brands Installed
Don't see your brand? Call (323) 471-1037 - AIRONE installs virtually every major residential furnace brand available in Southern California.
AIRONE replaces furnaces throughout all of LA County with permit filing in every city's building department. San Fernando Valley cities - Burbank, Glendale, Pasadena, Arcadia, Alhambra - have the highest furnace replacement volume in the AIRONE service area due to colder inland winters and the largest concentration of aging gas furnace systems in pre-1980 housing stock. Same-week replacement is available in most LA County cities.
South Bay furnace replacement with same flat-rate pricing, permit filing, and inspection coordination. Coastal salt air accelerates heat exchanger corrosion - AIRONE recommends stainless steel heat exchanger models for properties within 1 mile of the coast. Combined furnace and AC replacement is common in South Bay due to aging mid-century housing stock with original systems.
OC furnace replacement with same permit compliance and flat-rate pricing. Inland OC cities - Anaheim, Yorba Linda, Orange - have noticeably colder winters than coastal OC and generate higher furnace replacement volume. AIRONE files permits with Orange County and all incorporated OC city building departments.
Not sure if we serve your city? Call (323) 471-1037 - confirmed in 30 seconds.
View All Service Areas →Yes - permit filing, permit fees, and inspection coordination are included in every AIRONE furnace replacement quote. No separate permit charges. The permit protects you - AIRONE never skips permits to lower a quote.
Yes - AIRONE technicians are trained to give the same advice they would give to a family member. If repair makes more financial sense, we tell you that. We do not earn more by recommending replacement. We provide written quotes for both options when the decision is close so you can make an informed choice.
All major brands: Carrier, Trane, Lennox, Rheem, Ruud, Goodman, Amana, York, Bryant, American Standard, Heil, and others. Brand recommendation is based on your home's needs and efficiency goals - not installer margin. If you have a brand preference, we install it.
Yes - CA License #114807, C-20 classification covers gas appliance installation and replacement under California Contractor State License Board requirements. All gas line work follows California Plumbing Code and all installations follow California Mechanical Code. Verify at cslb.ca.gov.
Same-week replacement is available in most areas. Free assessment and written quote typically completed same day or next day. Permit approval in most LA County cities takes 1–3 business days. Call (323) 471-1037 to confirm current scheduling in your area →
Yes - AIRONE was founded in 2020 and has served Southern California since our founding. 500+ jobs completed across 126 cities in LA County, South Bay, and Orange County. No subcontractors. No call centers. The technician who assesses your home is the same technician who installs the new system.
AIRONE replaces furnaces across Los Angeles, South Bay, and Orange County. Permit included. All major brands. Free written quote before any commitment. CA License #114807. No surprises.
Request a Free Furnace Replacement Quote
AIRONE serves Los Angeles County, South Bay, and Orange County. Google reviews coming soon — call (323) 471‑1037 to speak with a customer directly.
AIRONE replaces furnaces across Los Angeles, South Bay, and Orange County. Permit included. All major brands. Flat-rate written quote before any commitment. CA License #114807. No voicemail. No surprises.
Free Furnace Replacement Quote