★★★★★  4.9 · 1,000+ Five-Star Reviews

Reliable HVAC Services in Costa Mesa, CA

Heating and air conditioning care from Costa Mesa’s hometown HVAC company: family-owned, NATE-certified, and headquartered right here on Logan Ave since 1989. Service across every Costa Mesa neighborhood.

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4.9★ on Google · 1,000+ Five-Star Reviews · Since 1989 · CSLB #754456 · Financing Available

Your Local HVAC Team

Born and Based in Costa Mesa Since 1989

Costa Mesa isn’t just a city we serve. It’s home. Our headquarters has been on Logan Ave for decades, and our technicians live with the same conditions your system faces: Mesa Verde ranch homes on slab ducts, Eastside cottages near the bluffs catching the nightly marine layer, and newer South Coast Metro townhomes running heat pumps hard through summer. That mix of coastal moisture and inland heat is exactly what we’ve tuned systems for since 1989.

Klondike Air is local, family-owned and operated, with 1,000+ five-star reviews from Orange County homeowners, and when your HVAC company is headquartered in your own city, the drive is short. Courteous, NATE-certified technicians and written, upfront pricing you approve before any work begins.

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OUR HEADQUARTERS

Costa Mesa Headquarters

1308 Logan Ave, Ste E, in central Costa Mesa, minutes from every neighborhood in town.
PHONE: (714) 465-5828

Where We Work

Serving Every Corner of Costa Mesa

From Mesa Verde to the Eastside, our technicians are in these neighborhoods every week:

Mesa VerdeEastside Costa MesaWestsideSouth Coast MetroCollege ParkMesa del MarHalecrestFreedom HomesWimbledon Village
HVAC Services in Costa Mesa

Everything Your Home’s Comfort System Needs

AC Repair →

Air conditioning repair across Costa Mesa. Diagnosed fast, priced upfront, fixed right the first time.

Heating & Furnace Repair →

Fast furnace and heat-pump repair for chilly marine-layer mornings on the coast.

AC & Heating Installation →

Right-sized, quiet systems for ranch homes, cottages, and townhomes alike. Free in-home estimates, financing available.

HVAC Maintenance →

Seasonal coastal tune-ups that fight salt-air corrosion and keep energy bills in check. Gold Club members save 10% on repairs.

Air Ducts & Indoor Air Quality →

Duct sealing, replacement, and IAQ upgrades. A favorite fix for Costa Mesa’s slab-ducted ranch homes.

Ocean-Air Expertise

Coastal Moisture Meets Inland Heat in Costa Mesa

Costa Mesa systems fight a double battle: the nightly marine layer creeping over the bluffs, and real summer heat once it burns off. Unmaintained systems here can still lose years to coastal corrosion. We treat both as part of the job:

Coastal Corrosion Checks

Condenser coils, fins, and electrical contacts inspected for moisture and salt damage on every Costa Mesa visit.

Protective Coil Treatment

Where salt is taking hold, protective treatment and simple owner habits that slow it down.

Honest Repair-or-Replace Calls

Corrosion factors into every recommendation: you never pay to fix a unit the ocean has already claimed.

Outdoor AC condenser at a coastal Orange County home

Protect your system year-round with the Gold Club Maintenance Plan →

Neighborhood Know-How

From Eastside Bungalows to Mesa Verde Ranch Homes

Thirty-five years of service calls in our home city add up to a detailed local file. We know which streets lose the marine layer by mid-morning and which tracts still run their original attic furnaces. We can even tell you, before we roll a truck, whether your complex wants HOA paperwork ahead of a rooftop lift. That knowledge shows up as faster diagnosis and a correctly sized fix on the first visit.

Eastside & Westside Costa Mesa. Many of these cottages and bungalows went up in the 1940s and 50s, long before central air was standard. We retrofit them every week, and where closet space or wall cavities rule out conventional ducting, a ductless mini-split adds cooling without tearing up the character of the house.

Mesa Verde. The ranch homes around the golf course mostly date to the 1960s and 70s, and plenty still push air through their original attic ducts. Leaky, undersized ductwork can waste a quarter of the cooling you pay for, so we often pair an equipment upgrade with duct sealing or replacement to capture the full efficiency gain.

South Coast Metro. Condos and townhomes near South Coast Plaza tend to run package units or shared-wall installations under active HOAs. We handle the association paperwork, protect common areas during the job, and schedule crane lifts where roof access is the only way in.

College Park, Halecrest & Freedom Homes. Single-story mid-century tracts with compact side yards and furnaces tucked in attics or hall closets. Placement and noise matter here, so we site condensers where sound will not bounce off a neighbor’s wall and keep every clearance to code.

Wherever you are in the city, help is close: our shop on Logan Avenue puts a technician minutes from your door. Start with residential AC repair, get ahead of summer with an AC maintenance visit, or check current tune-up costs before you book.

Real Reviews

What Your Neighbors Are Saying

★★★★★

“Wonderful service. On time, respectful and my total bill was as expected. I will recommend this company to everyone I know. thank you for your good work.”

Cindyann Wood · Verified Customer · Posted on Google

Costa Mesa HVAC FAQs

HVAC Questions, Answered

Most residential AC repairs in this market run $150–$650, with common service calls averaging around $350. A diagnostic fee typically runs $75–$150 and is often applied to the repair. A failed capacitor (the single most common AC repair) sits at the low end; compressor work is the priciest at $900–$2,900+. Every Klondike Air visit starts with a written, upfront quote you approve before any work begins. Call (714) 465-5828 for your exact price.

A useful benchmark is the $5,000 rule: multiply the repair cost by your system’s age in years. If the result tops $5,000, replacement usually wins. On a 20-year-old unit it’s rarely worth repairing: most use phased-out R-22 refrigerant that’s scarce and expensive, and harbor-front salt exposure belongs in that math too. We price both options with real numbers and an honest recommendation, never a pressured upsell.

Central AC units typically last 12–15 years (full HVAC systems 10–25 depending on equipment). Costa Mesa’s marine layer means coastal-style corrosion still matters here. Seasonal maintenance with corrosion checks is the difference between the short end and the long end of that range.

All major brands: Carrier, Trane, Lennox, Rheem, Bryant, Goodman, Daikin, American Standard, and more. NATE-certified, factory-trained technicians on every visit.

Yes: our headquarters is right here on Logan Ave, so Costa Mesa is the fastest place in Orange County for us to reach. Call (714) 465-5828 for the earliest available appointment, with fully stocked service vehicles.

Most Costa Mesa homes do best with a correctly sized central split system or a heat pump. Mild winters make heat pumps especially efficient here, and one system covers both seasons. Sizing matters more than brand: coastal-zone homes often need less tonnage than inland calculators suggest, which is why we run a room-by-room load calculation instead of guessing from square footage.

The marine layer keeps Eastside and Westside mornings cool much of the year, but September and October heat waves push indoor temperatures into the high 80s, and those stretches have been getting longer. Many coastal-side homeowners choose a modest, right-sized system, or a ductless unit for the bedrooms, rather than going without cooling entirely.

Our headquarters is on Logan Avenue in Costa Mesa, so this is our shortest drive in Orange County. Call (714) 465-5828 and we’ll tell you honestly when we can be there.

Yes. Replacing a furnace, condenser, or complete system in Costa Mesa requires a mechanical permit from the city, and California’s Title 24 rules usually require third-party HERS testing on ducted systems. We pull the permit, coordinate the HERS rater, and close everything out so the work is on record when you sell the house.

Costa Mesa’s mild coastal climate is close to ideal for heat pumps. Winter lows rarely leave the range where they run at high efficiency, and a single system replaces both your AC and your furnace. Incentive programs change from year to year, so ask us what currently applies when you’re ready to price one out.

Ready for Total Home Comfort?

Call for service in Costa Mesa · Free estimates on installs

Schedule ServiceCall (714) 465-5828