★★★★★  4.9 · 1,000+ Five-Star Reviews

Air Duct Repair & Replacement Orange County

Air duct repair and replacement for your home from courteous, NATE-certified technicians, family-owned and trusted across Orange County since 1989.

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

Air Duct Services

Signs Your Ducts Need Repair or Replacement

Leaky, crushed, or aging ducts waste the air you pay to heat and cool, and pull dust and unfiltered attic air into your home, as our air duct cleaning guide explains. Call Klondike Air for a thorough duct inspection if you notice any of these:

Leaky or Disconnected Ducts

Gaps, tears, or disconnected duct runs leak conditioned air into your attic or crawl space before it ever reaches your rooms.

Uneven Room Temps

One room hot, another cold: poorly routed or leaking ductwork is a common culprit behind uneven comfort.

High Energy Bills

Ducts that leak conditioned air make your system run longer to hit the thermostat setting, and your utility bill shows it.

Excess Dust & Allergens

Constant dust on surfaces, or allergy flare-ups indoors, can mean ducts are pulling in unfiltered air.

Noisy Ductwork

Rattling, popping, or whistling from your vents points to loose, undersized, or damaged duct runs.

Old or Damaged Ducts

Ductwork from decades past, common in older Orange County homes, may be beyond sealing and ready for replacement.

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Interior of a home air duct before cleaning and repair
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Fully stocked service vehicles

What to Expect

How Duct Repair & Replacement Works with Klondike Air

1

Schedule Your Visit

Book online or call (714) 465-5828. Duct inspection appointments are available throughout Orange County.

2

Accurate Diagnosis

A NATE-certified technician performs a thorough inspection, pinpoints the problem, and hands you a written, upfront quote. You approve the exact price before any work begins.

3

Repair Done Right

We fix it right the first time from our fully stocked service vehicles, backed by our 100% satisfaction guarantee.

Honest Recommendations

Repair or Replace? We Give It To You Straight

Well-installed ductwork can last 20–25 years, but crushed runs, failing seals, and decades of settling often make replacement the smarter investment in older homes, especially alongside a new system, as our ductwork and AC efficiency guide explains. If sealing and repairs can save your ducts, we’ll tell you honestly. Our technicians price both options so you can decide with real numbers, never a pressured upsell.

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Current Offers

Save on Your Duct Repair

$50

Off Heating & AC Repairs

Any repair service

Claim Offer
$230

Gold Club Maintenance Plan

Per year: AC + heating tune-ups, priority scheduling, free diagnostics ($125 value) & 10% off repairs

Join the Gold Club

Prefer monthly payments? 0% interest for 12 months on qualifying HVAC system upgrades.

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Real Reviews

What Your Neighbors Are Saying

Courteous staff, thorough inspections, friendly technicians, responsive service: the things Orange County homeowners mention most often in their reviews of Klondike Air.

★★★★★

“I use this business for both my home and work. They are very professional, helpful, and reasonable. I never feel pressured into any service. They’ve done repair work and new installations. I highly recommend them.”

Daniel Pietenpol · Verified Customer · Posted on Google

★★★★★

“Great company! Great service! Nice, friendly, professional, and knowledgeable technicians. Easy to get an appointment, no long waits. Will use again and highly recommend Klondike Air and its techs.”

S. M · Verified Customer · Posted on Google

Coastal Expertise

Coastal Air, Older Homes, and Your Ductwork

Homes in Newport Beach, Costa Mesa, and Huntington Beach live under the nightly marine layer: damp coastal air that works its way into attics and crawl spaces, while many older Orange County homes still run their original ductwork. Leaky, aging ducts pull that damp, unfiltered air straight into your living space, and your indoor air quality pays for it. After three decades of working on coastal homes, we account for all of it.

Thorough Duct Inspections

We inspect the full duct run: joints, seals, insulation, and supports, and show you exactly where conditioned air is escaping and unfiltered air is getting in.

Older-Home Ductwork

Many older coastal homes still run ductwork from decades past. We service aging duct systems honestly, sealing and repairing what’s sound, and flagging what’s truly past saving.

Healthier Indoor Air

Sealed, sound ductwork keeps dust, allergens, and damp attic air out of your living space, one of the biggest indoor air quality upgrades a home can get.

Outdoor unit at a coastal Orange County home
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Service Areas

Air Duct Services Across Orange County

Klondike Air provides air duct repair and replacement throughout Orange County from four convenient locations in Costa Mesa, Newport Beach, Huntington Beach, and Irvine: fully stocked service vehicles, NATE-certified technicians, and an honest recommendation on every duct inspection.

Anaheim Anaheim Hills Balboa Corona Del Mar Costa Mesa Fountain Valley Huntington Beach Irvine Newport Beach All Service Areas →
Air Duct FAQs

Air Duct Questions, Answered

In the Orange County market, sealing or repairing ductwork generally runs a few hundred dollars for minor fixes, while full duct replacement is a larger project whose price varies widely with home size, duct material, and attic or crawl-space access. Every Klondike Air visit starts with a thorough inspection and a written, upfront estimate you approve before any work begins, and current offers include $50 off any heating or AC repair. Call (714) 465-5828 for your exact quote.

Watch for rooms that never reach temperature, rising energy bills, constant dust, musty smells when the system runs, rattling or whistling vents, and visible damage: crushed runs, disconnected joints, or crumbling insulation. Ductwork from decades past, common in older Orange County homes, is often beyond the point where sealing alone helps. A Klondike Air inspection will tell you honestly whether repair or replacement is the right call.

Well-installed sheet-metal ductwork can last 20–25 years or more; flexible duct typically wears out sooner. Coastal Orange County adds its own wrinkle: damp marine-layer air works on duct insulation and seals over time, and many older beach-area homes still run their original runs. Age alone isn’t the verdict, though: an inspection of the joints, seals, and insulation tells the real story, and we price repair and replacement side by side so you can decide with real numbers.

Significantly. Leaky ducts spill air you paid to heat or cool into the attic or crawl space instead of your rooms, so your system runs longer to hit the thermostat setting, which shows up on the utility bill and wears equipment faster. Sealing those leaks is one of the highest-payback fixes in home comfort; our ductwork and AC efficiency guide explains why.

They solve different problems. Cleaning removes dust and debris from ducts that are structurally sound; our guide to the air duct cleaning process covers what’s involved. But if ducts are leaking, crushed, disconnected, or their insulation is failing, cleaning won’t fix the underlying loss; sealing, repair, or replacement is the right answer. An inspection tells you which side of that line your home is on.

More than almost any other part of your system. Leaky return ducts pull dust, insulation fibers, and damp attic or crawl-space air into your home’s air supply, where it circulates through every room. Sealed, sound ductwork keeps that unfiltered air out, one of the biggest indoor air quality upgrades a home can get, as our guide to the health benefits of clean air ducts explains. If dust and allergies are a constant battle at home, your ducts are a smart place to look.

Duct sealing closes the gaps, joints, and small tears that let conditioned air escape, typically with mastic sealant or metal-backed tape rated for ductwork (not ordinary “duct tape,” which fails quickly). Done properly, sealing improves airflow to your rooms, cuts energy waste, and keeps unfiltered attic air out of your home. It’s the go-to fix for ducts that are fundamentally sound but leaking at the seams.

A visual duct check belongs in every seasonal tune-up, and our Gold Club membership covers both yearly visits for $230 with priority scheduling, free diagnostics, and 10% off repairs. Beyond that, have ducts looked at closely after a renovation, a rodent or moisture problem, or any time rooms stop heating and cooling evenly. Learn more on our AC maintenance and heater maintenance pages, or call to get on the schedule.

All the time; it’s a big part of our work near the coast. Many homes in Newport Beach, Costa Mesa, and Huntington Beach still run ductwork from decades past, tucked into tight attics and crawl spaces. Our NATE-certified technicians know the quirks of older Orange County construction, seal and repair what’s sound, and give you a straight answer when replacement is the better investment. Call (714) 465-5828 and we’ll take a look.

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