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Duct Services

Duct Repair & Sealing

Dependable duct repair & sealing from Precise Air Systems, Inc. in Los Angeles and across Greater Los Angeles — transparent, upfront pricing with no hidden fees, thorough cleanup after every job, and the experience of a family company at work since 1975.

Duct Repair & Sealing done right

Since 1975, Precise Air Systems, Inc. has delivered duct repair & sealing in Los Angeles and across Greater Los Angeles with one standard: do it right, price it honestly, and leave the home cleaner than we found it. As a Mitsubishi Electric Elite Dealer (CA Lic #428900), we pair top-tier equipment with craftsmanship refined over 52 years.

What you get with Precise Air

  • Transparent, upfront pricing — no hidden fees, ever
  • Free comprehensive home safety inspection with our visits
  • Thorough cleanup after every job is completed
  • Personalized solutions — we recommend the right system, not the most expensive one
  • Financing options available on qualifying equipment

Why Los Angeles homeowners choose us

We're a family business that has grown into one of LA's most trusted air-comfort teams — and one of LA's leading Mitsubishi dealers — by treating every home like our own. Our motto says it best: if it deals with air, we deal with it.

The Precise Difference

Family-Owned Since 1975

Fifty years of Los Angeles homes kept perfectly comfortable.

Transparent Upfront Pricing

You approve an honest, hidden-fee-free price before work begins.

Mitsubishi Electric Elite Dealer

LA's leading Mitsubishi dealer for total air comfort.

Immaculate Workmanship

Thorough cleanup after every job — we leave no trace but comfort.

How It Works
  1. 01

    Schedule Your Visit

    Call (818) 240-1737 or request service online and we'll confirm a convenient window.

  2. 02

    Precise Assessment

    A trained technician evaluates your system and includes a free comprehensive home safety inspection.

  3. 03

    Honest Options

    You get transparent, upfront pricing and practical recommendations — never a hard sell.

  4. 04

    Done Right

    We complete the work to spec, verify performance, and clean up thoroughly before we leave.

Not sure what you need yet?

Get an instant, honest read with our free comfort tools — no email required.

Common Questions
How much does duct repair & sealing cost in Los Angeles?

It depends on your system, your home, and the scope of work — which is exactly why we quote every job with transparent, upfront pricing before any work begins. You'll see the full cost in writing, with no hidden fees, and every visit includes a free comprehensive home safety inspection. Financing (including 0% for 12 months on approved credit) is available on qualifying equipment.

How soon can Precise Air help with duct repair & sealing?

We schedule promptly across Greater Los Angeles — call (818) 240-1737 during business hours (Mon–Fri 8–5, Sat 9–12) for current availability.

Should I repair my system or replace it?

The honest answer depends on age, repair history, energy bills, and how the home feels. As a rule of thumb: a system under 10 years old with its first fault is usually worth repairing, while a 15-year-old system with repeat repairs and rising bills usually favors replacement. Try our free Repair vs Replace guide for an instant read — then we confirm the numbers in person, with no hard sell.

Is your pricing really upfront?

Yes. Transparent, upfront pricing with no hidden fees is one of our founding commitments — you approve the cost before any work begins.

Do you offer financing?

Yes — financing options are available on qualifying equipment, including promotional 0% for 12 months offers. Ask your technician or see our financing page.

Need Duct Repair & Sealing?

Call Precise Air Systems, Inc. at (818) 240-1737 — if it deals with air, we deal with it.