LC Heating & Air provides professional duct diagnostics, manual repairs, and Aeroseal sealing to improve your home's comfort and energy efficiency.
Duct Cleaning & Air Duct Service in West Los Angeles
LC Heating & Air provides duct cleaning in West Los Angeles — including air duct cleaning, duct repair service, duct sealing, HVAC ductwork. Whether you need same-day service, a written estimate, or help deciding between repair and replacement, our licensed technicians handle every make and model.
We repair and service all major HVAC brands in West Los Angeles, including Carrier, Trane, and Goodman, and older or discontinued units. No matter the manufacturer, we diagnose the problem accurately and give you an upfront price before any work begins.
I'm Leo, owner of LC Heating & Air. I spend a lot of time in attics and crawl spaces across West Los Angeles, and I can tell you that most homeowners don't realize their ductwork is the weak link in their HVAC system. If your AC is running constantly but you still have rooms that feel like a sauna, the problem usually isn't the equipment—it's the delivery system.
My team and I focus on the practical side of HVAC. We don't just guess; we use duct pressurization testing to find exactly where your air is escaping. Whether it's a disconnected flex duct in a tight attic or a system that needs comprehensive sealing, we provide honest assessments and clear, written estimates before we do any work.
Call LC Heating & Air at (323) 970-3113 for scheduling and estimates.
Local HVAC considerations
The Hidden Cost of Leaky Ducts in LA Homes
The Department of Energy estimates that typical residential duct systems lose 20–30% of conditioned air through leaks before it reaches the living space. In Los Angeles, where AC runs heavily from May through October, that means you're paying to cool your attic rather than your living room every summer.
Duct repair is one of the highest-return HVAC improvements a Los Angeles homeowner can make. It directly addresses the most common cause of comfort complaints, such as uneven temperatures and rooms that are always too hot or too cold. In West Los Angeles, we often see issues with crushed flex duct from past attic work, failed mastic at supply plenums, and disconnected joints that have been leaking for years.
West Los Angeles Housing and Duct Performance
West Los Angeles has a mix of everything—from older single-family homes to modern remodels and small multifamily buildings. Each of these presents unique challenges for ductwork. In older homes, we often find sheet metal ducts that have lost their original insulation, leading to massive heat gain in the summer.
In newer remodels, we sometimes see duct systems that were never properly sized or balanced for the current floor plan. We look at the whole picture: return sizing, airflow, and attic heat gain. If your ducts aren't moving air efficiently, even the most expensive AC unit won't keep your home comfortable.
Our Diagnostic Process
We don't believe in guessing. When we arrive, we start by measuring airflow at your registers to see what's actually reaching your rooms. We then perform a duct pressurization test, also known as a duct blaster test, to quantify exactly how much leakage exists.
After the testing, we inspect the accessible ductwork to identify the source of the leaks. We look for disconnected runs, torn inner liners, and failed joints. Once we have the data, we sit down with you to explain what we found and provide a written estimate for the repair.
Repair vs. Replacement: Making the Right Call
A common question I get is, 'Leo, should I just replace the whole system?' The truth is, you don't always need a full replacement. If your equipment is in good shape but your ducts are leaking, repairing the ducts is often the most cost-effective way to get the comfort you're paying for.
However, if the duct system is severely undersized, crushed beyond repair, or made of materials that are falling apart, we will be honest with you about that. We only recommend replacement when it's the right long-term decision for your home and your budget.
Understanding Costs
We keep our pricing straightforward. A basic duct inspection usually runs between $125 and $200. Targeted repairs for specific leaks can range from $200 to $600, while more comprehensive sealing or Aeroseal applications range from $1,000 to $3,000.
Because every home in West Los Angeles has a different layout and accessibility, we provide a written estimate after our initial diagnostic. This way, you know exactly what the job entails before we start.
Access and Scheduling
We know your time is valuable. When we schedule a visit, we take into account the specific access challenges of your property, whether it's a tight attic crawl space or a multi-story home. We check electrical, duct condition, and equipment placement to ensure we can perform the work safely and correctly.
Our goal is to get your system running efficiently with as little disruption to your day as possible. We offer same-day service options when available and always keep you informed on our progress.
Common Duct Mistakes to Avoid
One of the biggest mistakes I see is homeowners trying to fix leaks with standard duct tape. It doesn't last. Proper repair requires mastic or specialized foil tape that can withstand the temperature swings in an LA attic.
Another mistake is ignoring the return side of the system. If your return ducts are leaking, they are pulling in dust, insulation fibers, and attic air, which then gets distributed throughout your home. We focus on sealing both the supply and return sides to ensure your indoor air quality isn't compromised.
Health, Safety, and Air Quality
Your HVAC system does more than just heat and cool; it manages the air you breathe. Leaky return ducts in an attic can pull in mold spores, dust, and insulation particles. By sealing these leaks, we aren't just improving efficiency—we're improving the air quality in your living space.
We always prioritize safety, ensuring that all repairs meet local standards and that your equipment is operating within its designed parameters after the work is complete.
Is Duct Repair Right for You?
If you notice rooms that are consistently uncomfortable, high energy bills, or excessive dust, it's time to look at your ducts. Our diagnostic process is designed to give you the facts so you can make an informed decision.
If the system is worth repairing, we will tell you. If the pattern points to replacement, we will explain why. We are here to help you get the most out of your HVAC investment.
How the visit works
We measure airflow at registers, inspect accessible ductwork, and perform duct pressurization testing to quantify leakage.
We identify the specific leaks and damage and present a repair scope with written pricing before any work begins.
We access damaged sections and seal with mastic, reconnect disconnected flex duct, and repair torn inner liners.
We re-test duct leakage after repair and measure airflow at registers to confirm improvement.
Cost factors we review before quoting
- • Accessibility of the ductwork in attics or crawl spaces
- • Extent of the leakage identified during testing
- • Type of repair required (manual sealing vs. Aeroseal)
- • Condition of existing duct material
Useful next steps
Duct Repair in West Los Angeles at a glance
- • Duct Repair provider: LC Heating & Air
- • Location served: West Los Angeles, CA 90025
- • License: CSLB C-20 #1073586
- • Phone: (323) 970-3113
- • Estimate: written estimate before approved work
- • Emergency calls answered within 30 minutes (24/7)
Our duct repair process in West Los Angeles
Reviewed by Leo, Owner & Lead Technician
This duct repair guide for West Los Angeles is reviewed for practical HVAC accuracy by Leo at LC Heating & Air. LC Heating & Air holds California CSLB C-20 HVAC license #1073586 and provides written estimates before approved work.
What West Los Angeles customers say about duct repair
Verified reviews from homeowners in West Los Angeles and nearby neighborhoods who used our duct repair service.
“Had LC install a Daikin mini split in our 1940s bungalow that never had AC. The work was clean, the unit is incredibly quiet, and our bedroom finally stays cool in summer. Highly recommend.”
“We converted our garage into an ADU and needed HVAC. LC installed a Mitsubishi single-zone mini split — permits, electrical, everything. The unit is so quiet you can barely hear it running. Our tenant loves it.”
“Got a 3-zone Daikin system for our craftsman home — bedrooms upstairs, living room downstairs. Each room has its own temperature control and the monthly electric bill is actually lower than our old window units combined.”
