Fix leaky and damaged ducts — better comfort, lower energy bills.
Duct Cleaning & Air Duct Service in Westwood
LC Heating & Air provides duct cleaning in Westwood — 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 Westwood, 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.
Westwood encompasses the area surrounding UCLA, bounded roughly by Bel Air to the north, Brentwood to the west, and Century City to the south. The neighborhood has an unusually diverse mix of housing: single-family homes in the Westwood Hills area, large apartment and condominium buildings along Wilshire Boulevard, and student-oriented rental properties near the UCLA campus. LC Heating & Air serves all of Westwood's 90024 and 90025 zip codes with same-day HVAC service.
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 — and it directly addresses the most common cause of comfort complaints like uneven temperatures and rooms that are always too hot or too cold.
Emergency calls are answered within 30 minutes — call (323) 970-3113 for dispatch.
Local HVAC considerations
Westwood (90024, 90025)
CSLB #1073586
(323) 970-3113
Local HVAC Challenges in Westwood
Westwood's mix of single-family homes and high-rise condominiums means we work with both traditional split-system HVAC and commercial-grade building systems. Condo buildings along the Wilshire Corridor typically use centralized chiller plants with individual fan coil units — maintenance and repair on these systems requires different expertise than residential split systems. We service both types and can work with HOA maintenance schedules and building management companies.
The UCLA student rental market means many Westwood properties have HVAC systems that see heavy use and may not receive the maintenance that owner-occupied homes get. We work with property managers throughout Westwood to establish preventive maintenance programs that reduce emergency calls and extend equipment life. For homeowners in the residential areas, we provide the same thorough service we deliver throughout our coverage area — honest diagnosis, fair pricing, and quality work.
Understanding Your Duct System
Most homeowners have no idea their ducts are leaking because the leaks are hidden in attics, crawl spaces, and wall cavities. We identify duct problems through a combination of airflow measurements, duct pressurization testing, and visual inspection of accessible duct sections. Common damage we find includes disconnected duct sections at joints and take-offs, torn flex duct inner liners, crushed flex duct from attic access foot traffic, failed mastic at supply plenums, and deteriorated tape joints on older sheet metal ductwork.
Duct repair methods depend on the type of damage and duct material. Disconnected flex duct sections are reconnected and sealed with mastic and foil tape. Torn inner liners require section replacement. Sheet metal joints are sealed with mastic. For systems with widespread small leaks throughout the distribution system, Aeroseal duct sealing can address leaks that aren't accessible for manual repair.
Our Diagnostic Process
We don't guess. We measure airflow at registers, inspect accessible ductwork, and perform duct pressurization testing to quantify leakage. After we identify the specific leaks and damage, we present a repair scope with written pricing before any work begins. Once the repair is complete, we re-test duct leakage and measure airflow at registers to confirm improvement. This gives you measurable proof that the work improved your system's performance.
Repair vs. Replace: Making the Right Call
If the system is worth repairing, we will tell you. If the pattern points to replacement, we will explain why. Often, targeted duct repairs can restore efficiency to a system that seems to be failing. However, if the ductwork is severely undersized, collapsed, or made of outdated materials that are falling apart, repair might just be a temporary fix. We provide an honest assessment of whether your current ductwork can support your existing equipment or if it is holding your system back.
Cost Factors and Estimates
The cost of duct repair varies based on accessibility and the extent of the damage. Targeted repairs to specific disconnected sections usually range from $200–$600. Comprehensive manual sealing of a full duct system can range from $800–$2,000, while Aeroseal for hard-to-reach leaks typically falls between $1,500–$3,000. We always provide a written estimate after the diagnostic, so you know exactly what the work entails before we start.
Access and Scheduling in Westwood
Working in Westwood often requires coordination with HOAs, tenants, rooftops, shared walls, parking, and building access windows. We are experienced in navigating these logistics. Whether you are in a high-rise on the Wilshire Corridor or a single-family home in Westwood Hills, we coordinate our arrival and work process to minimize disruption to your building's operations or your daily routine.
Health and Safety
Return duct leaks in attics can draw unconditioned air — loaded with insulation fibers, dust, and potential mold spores — into the conditioned air stream. Supply duct leaks can introduce attic air directly into living spaces. Sealing duct leaks is not just about comfort; it is about keeping your indoor air quality clean. We ensure all repairs are done to code, using proper materials to prevent future issues.
Frequently Asked Questions
How do I know if my ducts are leaking? The clearest symptom is rooms that are consistently harder to heat or cool than others, combined with high energy bills. Dusty supply registers can also indicate return duct leaks.
Can I repair ducts myself? Accessible flex duct reconnections are DIY-possible, but most significant leakage occurs in difficult-to-access attic spaces. Improper repairs can make things worse.
What is Aeroseal? It is a patented process that seals ductwork from the inside using a mist of adhesive polymer particles. It is ideal for leaks in inaccessible sections.
Do I need permits? Minor repairs do not require permits, but significant redesign or new duct installation does. We advise you on the requirements for your specific project.
Mistakes to avoid — Duct Repair in Westwood
Oversized equipment, skipped maintenance, and DIY refrigerant or gas work are frequent duct repair mistakes we correct in Westwood.
Closing too many registers or using the wrong filter MERV rating can starve airflow and shorten component life.
Next Steps for Your Home
If you are dealing with uneven temperatures or high energy bills, the first step is a professional diagnostic. We will come out, inspect your system, and give you an honest answer about what is happening in your ducts. You can reach LC Heating & Air at (323) 970-3113 to schedule an inspection.
We are a local contractor, CSLB #1073586, committed to providing clear, practical advice. We do not use high-pressure sales tactics. We show you the problem, explain the fix, and let you decide what makes the most sense for your home and your budget.
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 ductwork
- • Type of duct material
- • Extent of leakage
- • Method of repair (manual vs. Aeroseal)
Useful next steps
Duct Repair in Westwood at a glance
- • Duct Repair provider: LC Heating & Air
- • Location served: Westwood, CA 90024
- • 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 Westwood
Reviewed by Leo, Owner & Lead Technician
This duct repair guide for Westwood 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 Westwood customers say about duct repair
Verified reviews from homeowners in Westwood 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.”
