Fast, Reliable AC Repair & Installation Across Los Angeles
AC repair in Los Angeles typically costs $175–$765 and is often completed same-day, while new AC installation runs $4,130–$8,850 depending on your home’s existing infrastructure. If you’re sweating through another heat wave in a pre-1960 bungalow or courtyard apartment, we can help. Redwood Heating & Air brings 13 years of founder-led HVAC expertise to Los Angeles, with Gregory Hahn personally guiding technical decisions on every job. Call (844) 875-9451 for a free estimate.
Los Angeles isn’t like other Southern California markets. The 90001–90010 corridor — South LA, Koreatown, Pico-Union, Baldwin Hills — is overwhelmingly composed of pre-1960 bungalows, duplexes, and courtyard apartment buildings that were constructed with gas wall furnaces or floor furnaces and zero ductwork, because the mild Mediterranean climate made central forced-air unnecessary for decades. Surging heat wave demand is now forcing contractors to install cooling in structures with no duct chases, almost always via ductless mini-splits, while simultaneously satisfying California Title 24 mandatory load calculations and duct-leakage testing — plus South Coast AQMD electrification pressure that discourages straight gas-furnace replacements in ways that simply don’t exist in neighboring markets like the Inland Empire.
Last July we retrofitted a 1930s Spanish Revival bungalow on West 59th Street in Florence with a 1.5-ton Daikin mini-split, replacing a rusted gas wall furnace. Navigating the balloon-frame attic with only 18 inches of clearance meant our team fabricated custom line-set covers and installed the outdoor unit on a side-yard slab to meet South Coast AQMD setbacks — work a generic contractor would have walked from.
Why Redwood Heating & Air San Diego Is Los Angeles’s Preferred AC Repair & Installation Company
Gregory Hahn founded this company and still leads every technical decision. That means when you call our AC Repair & Installation team for your Los Angeles home, you’re getting owner-level accountability, not a franchise dispatcher sending whoever’s available.
Our 428 verified customer reviews averaging 4.6 stars were built over 13 continuous years of operation. We’ve earned that reputation by diagnosing right the first time — particularly critical in Los Angeles, where a misdiagnosed refrigerant issue or overspecified install can cost thousands more than necessary.
We service your brand, whether it’s Trane, Lennox, Goodman, or Rheem. Our factory-trained experience across nine major HVAC brands means we don’t push whatever’s in the warehouse. We stock local parts for faster turnaround on Los Angeles repairs.
From a single mini-split to a full commercial system, we handle the full spectrum. Emergency HVAC service is available for urgent breakdowns during Los Angeles heat waves, and our familiarity with local permit requirements — especially LA Department of Building and Safety multi-family rules — keeps jobs moving.
Our AC Repair & Installation Services in Los Angeles
AC Repair
Los Angeles’s intensifying urban heat-island conditions push aging compressors and capacitors past their limits, particularly in inland-leaning neighborhoods like Florence and Watts. Our AC repair service covers everything from refrigerant recharges to compressor replacement, with same-day response when possible. We carry diagnostic tools calibrated for the smaller loads typical of Los Angeles bungalows — many of which only need 1–1.5 tons of cooling, not the 3-ton units desert-market pros routinely overspecify.

AC Installation
First-time AC installation in Los Angeles’s 90036, 90037, 90038, and 90039 ZIP codes almost always means ductless mini-splits. These 1920s–1950s Spanish Revival bungalows, Craftsman duplexes, and multi-unit courtyard apartments were never plumbed for forced air and still run original gas wall heaters. Retrofit HVAC work here is effectively ground-up installation into compact, sometimes balloon-framed structures with limited attic clearance and no existing duct chases. We size correctly for Los Angeles’s mild Mediterranean baseline, not Phoenix or Palm Desert.

AC Replacement
When an existing system fails in Los Angeles, replacement complexity depends entirely on what was there before. A straight swap of a prior mini-split is straightforward. Replacing an ancient gas wall furnace with modern cooling, though, triggers Title 24 load calculations, potential duct-leakage testing if any ductwork exists, and increasingly, a conversation about electrification pathways. In Koreatown and Pico-Union, we frequently encounter 1930s–1940s multi-unit buildings where each unit has its own freestanding wall furnace fed off a shared gas riser — replacing even one unit’s heating means navigating LA Department of Building and Safety multi-family permit requirements and a ‘reach code’ conversation about whether the building qualifies for the city’s all-electric upgrade pathway.

Refrigerant Recharge
Low refrigerant in Los Angeles often signals a leak rather than simple depletion. The combination of coastal salt air in western neighborhoods and inland dust in areas like View Park-Windsor Hills creates specific corrosion patterns we recognize. We locate and repair leaks before recharging — adding refrigerant without fixing the source is throwing money away and violates EPA handling requirements.

What happens when you call
- 1
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 Los Angeles
We maintain active technical fluency across Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That multi-brand capability matters in Los Angeles, where a Koreatown courtyard apartment might have a 15-year-old Goodman wall furnace while the building next door runs Trane commercial rooftop units. We stock common parts for Lennox and Rheem systems locally, which means faster turnaround on Los Angeles repairs without waiting for regional distribution. Our technicians carry digital manuals for all nine brands on their tablets — no guessing, no “we’ll have to order that and come back.”
Common AC Repair & Installation Problems We See in Los Angeles Homes
- Oversized equipment in small bungalows. Contractors accustomed to desert-market sizing routinely install 3-ton units in South LA homes that only need 1–1.5 tons. The result is short-cycling, humidity issues, and premature compressor failure. We run Manual J load calculations for every Los Angeles install.
- Improper ductless retrofits in balloon-frame walls. Failing to properly route refrigerant lines through 1930s balloon-framed construction can create structural leaks and aesthetic nightmares. Our team fabricates custom line-set covers for clean, code-compliant installations.
- Permit violations on multi-family gas riser replacements. In Koreatown and Pico-Union, replacing wall furnaces fed off shared gas risers without LA Department of Building and Safety multi-family permits triggers stop-work orders. We handle permit submission and inspection scheduling as part of the job.
- Heat pump sizing ignoring coastal-inland gradient. A system correctly sized for coastal 90036 may be inadequate for inland-leaning 90037. We account for Los Angeles’s microclimate variation, not just city-wide averages.
Pricing for AC Repair & Installation in Los Angeles, CA
| Service | Price Range in Los Angeles |
|---|---|
| AC Repair | $175–$765 |
| AC Installation | $4,130–$8,850 |
| Tune-Up / Maintenance | $95–$235 |
What moves your job within these ranges? For repairs, it’s parts — a capacitor replacement sits at the low end, compressor work at the high end. For installation, the biggest variable is infrastructure: a straightforward mini-split replacement in a home with existing electrical and mounting costs less than a first-time install requiring new electrical runs, concrete pads, and custom line-set fabrication through balloon-frame walls. Title 24 compliance work and permit fees are additional but required by law — we quote them upfront, not as surprises. Every estimate is free. Call (844) 875-9451 to schedule.
We Also Serve Cities Near Los Angeles
Our service radius covers Koreatown, where multi-family permit expertise is essential; Echo Park, with its mix of hillside bungalows and newer construction; Silver Lake, where creative reuse of industrial spaces creates unique HVAC challenges; and View Park-Windsor Hills, with its mid-century homes often ready for their first modern cooling systems. If you’re in any of these areas, the same Gregory Hahn-led technical team serves your neighborhood.
Serving Los Angeles, CA — Our Local Coverage Area
We’re based in the Los Angeles 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 — AC Repair & Installation in Los Angeles
Pre-1960 Los Angeles homes were built with gas wall furnaces or floor furnaces and no ductwork, because the mild climate didn’t require forced-air cooling. Installing central AC would require carving duct chases through plaster, lath, and sometimes balloon-framed walls — often structurally impractical and always invasive. Ductless mini-splits deliver cooling without ducts, with outdoor units placed on side-yard slabs or roof areas to meet South Coast AQMD setbacks. Call (844) 875-9451 for a free assessment of your home’s retrofit options.
California Title 24 requires mandatory load calculations and duct-leakage testing for all new HVAC installations, including retrofits in South LA’s 90001–90010 corridor. These rules ensure your system is correctly sized and that any ductwork meets efficiency standards. Desert-market contractors unfamiliar with Los Angeles’s specific compliance landscape sometimes skip these steps, risking permit rejection and redo work. We include Title 24 documentation in every Los Angeles installation quote. Call (844) 875-9451 to discuss your project’s compliance path.
Yes, and increasingly LA’s reach codes encourage this pathway for buildings that qualify. In Koreatown’s 1930s–1940s multi-unit buildings, replacing a gas wall furnace with a heat pump requires navigating shared gas riser configurations and determining whether your building meets the all-electric upgrade criteria. We handle the technical assessment, permit application with LA Department of Building and Safety, and installation. Call (844) 875-9451 to evaluate whether your building qualifies.
The most frequent error is oversizing equipment. A correctly sized system for a South LA bungalow is often only 1–1.5 tons, but contractors trained in desert markets default to 3-ton units. Oversized systems short-cycle, fail to dehumidify properly, and wear out compressors prematurely. We run proper load calculations for every Los Angeles bungalow. Call (844) 875-9451 for a correctly sized quote.
Courtyard apartments in Los Angeles typically fall under multi-family zoning, and outdoor unit placement must comply with both LA Department of Building and Safety setback requirements and any HOA or building management rules. South Coast AQMD setbacks from property lines and ventilation clearances are additional considerations. We verify all requirements before installation begins. Call (844) 875-9451 for a site-specific compliance check.
Ready to get your Los Angeles home or building cooled correctly? Gregory Hahn and our team bring 13 years of multi-brand expertise to every job, from single mini-splits to full commercial systems. We diagnose right the first time, size for Los Angeles’s actual conditions, and handle the permits and compliance that generic contractors overlook. Call (844) 875-9451 now for your free estimate — no obligation, just honest answers about what your property needs.
Written by Gregory Hahn, Owner at Redwood Heating & Air, serving Los Angeles since 2012.