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Ductwork Repair in Los Gatos, CA

Duct Repair in Los Gatos, CA: seal leaks, improve airflow, and boost comfort. Schedule service today for efficient, quieter cooling.

Our Los Gatos duct specialists diagnose and repair issues like leaks, disconnected sections, insulation gaps, and blockages using advanced methods such as duct blaster testing, thermal imaging, and airflow analysis. We provide reliable sealing, section replacement, and insulation upgrades to restore efficiency and comfort. Expect improved airflow, lower energy bills, longer system life, and cleaner indoor air. With transparent pricing, quick turnaround times, and maintenance plans tailored to local conditions, we ensure long-lasting duct performance and year-round comfort.

Ductwork Repair in Los Gatos, CA

Proper ductwork is critical to comfort and energy efficiency in Los Gatos homes. Whether your house has warm attic ducts that lose cooling energy in summer or older flexible runs that sag and leak, addressing duct problems quickly reduces uneven temperatures, lowers utility bills, and improves indoor air quality. This page explains common duct issues found in Los Gatos, the diagnostic methods technicians use, repair solutions, expected outcomes, typical turnaround times, and recommended follow-up maintenance tailored to local conditions.

Common duct problems in Los Gatos homes

  • Leaks and gaps at seams and joints - Aging duct tape, loose collars, or deteriorated joints allow conditioned air to escape into attics or crawl spaces, reducing system efficiency.
  • Disconnected or crushed sections - During renovations or attic access, metal or flex duct segments can be detached, kinked, or crushed, creating major airflow restrictions.
  • Poor or missing insulation - Uninsulated ducts in hot Los Gatos summers transfer heat into cooling air, increasing runtime and energy use. Cold-season heat loss is less dramatic but still relevant during cooler nights.
  • Blockages and obstructions - Debris, rodent nesting, or collapsed flexible duct linings can restrict flow and create pressure imbalances.
  • Improper sizing and balancing - Undersized runs or poorly balanced branches cause some rooms to overheat or remain cool, a common issue in older and renovated homes.

How we diagnose duct issues

  • Visual inspection - Technicians start with attic, crawlspace, and mechanical closet inspections to find visible gaps, disconnected runs, crushed ducts, and insulation problems. This direct look often uncovers the most common causes.
  • Pressure testing (duct blaster) - A calibrated fan pressurizes the duct system to quantify leakage rates. This objective measurement shows how much conditioned air is escaping and helps prioritize repairs.
  • Thermal imaging - Infrared cameras highlight temperature differentials along ducts, making it easier to locate leaks, poor insulation, and blocked sections without invasive access.
  • Airflow measurement and room checks - Using anemometers and static pressure meters, technicians measure supply and return performance in each room to diagnose balancing issues and verify repair effectiveness.

Repair solutions tailored to Los Gatos homes

  • Sealing and duct mastic - For leaks at seams and connections, water-resistant mastic combined with fiberglass mesh creates a durable, airtight seal that withstands attic heat.
  • Foil-backed tape and mechanical fasteners - Proper UL-listed foil tape and sealed clamp systems are used for flexible and metal ducts where mastic is not suitable for quick reinforcement.
  • Section replacement - Severely damaged or crushed flexible ducts are removed and replaced with properly sized new runs. Metal sections may be replaced when rusted or beyond repair.
  • Re-insulation and thermal wrapping - Adding R-8 or higher insulation to attic and exposed ductwork reduces summer heat gain common in the Bay Area, improving cooling efficiency and comfort.
  • Realignment and support - Installing straps, hangers, and smooth transitions corrects kinks and sags that restrict flow. Proper sealing of boot-to-register connections improves room distribution.
  • Access and cleaning for blockages - Removing debris and rodent nests, and restoring proper internal lining where damaged, restores airflow and reduces contaminants circulating through the home.

Expected outcomes after repair

  • Improved airflow and balanced temperatures - Properly sealed and aligned duct systems deliver conditioned air where it is needed, eliminating hot or cold spots common in Los Gatos houses.
  • Energy savings - Reducing duct leakage and insulating exposed runs cuts runtime for HVAC equipment, lowering energy consumption, especially during warm months when cooling demand is highest.
  • Longer equipment life - When ducts perform correctly, furnaces and air conditioners experience reduced run cycles and strain, which can extend service life and reduce repair needs.
  • Better indoor air quality - Sealing leaks and removing sources of contamination from duct runs keeps attic dust, insulation fibers, and pests from entering living spaces.
  • Measurable results - Post-repair pressure testing and airflow measurements provide objective proof of improvement compared to pre-repair baselines.

Typical turnaround times and how pricing is determined

  • Small repairs and sealing - Many straightforward sealing jobs and minor patching can be completed in a single visit, often within a few hours.
  • Moderate repairs - Replacing several flexible runs, adding insulation, or repairing multiple joints commonly take one to three days depending on attic access and system complexity.
  • Major replacements or redesigns - Full trunk replacement, duct redesign, or jobs requiring additional access panels and construction work may extend to several days up to a week.
  • Pricing approach - Costs depend on scope: amount of ductwork affected, accessibility, required materials, and whether replacement or re-insulation is needed. Estimates typically factor in diagnostic testing, materials (mastic, insulation, replacement duct), labor for access and repair, and post-repair verification. Local building constraints, attic complexity, and need for additional support or vent work may influence time and cost.

Recommended follow-up maintenance to prevent recurrence

  • Annual visual check - Inspect attic and crawlspace ducts seasonally for new gaps, rodent activity, or sagging runs after storms or remodeling.
  • Re-test after major home work - Any attic or HVAC-related renovation should include a quick duct inspection to catch accidental disconnections or compressed runs.
  • Maintain attic conditions - Proper attic ventilation and pest control reduce the chance of duct damage from humidity or animal intrusion in the Santa Cruz Mountain foothills area.
  • Periodic professional testing - Schedule pressure testing and airflow balancing every 3 to 5 years or after major HVAC service to ensure systems remain efficient.
  • Replace deteriorated flexible ducts - If flexible duct liners or ties show wear, replace them proactively rather than waiting for a failure that causes comfort and efficiency loss.

Why timely ductwork repair matters in Los Gatos

Los Gatos owners face warm summers, mild but energy-conscious winters, and a local market that values efficient, comfortable homes. Addressing duct leaks, poor insulation, and airflow problems reduces monthly utility bills and improves occupant comfort without requiring major HVAC equipment replacement. Smart, measured repairs restore system performance, support healthier indoor air, and protect equipment investment for years to come.

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5.0

We found Plum HVAC in 2024 after spending more than 2 months searching and comparing estimates.  The owner Sam gave us a very competitive price for a Mitsubishi mini-split and the installation went off without a hitch.  Our experience was so positive that we later requested their services twice more to also install A/Cs for our 2 other rooms.  Their technician, Jake, led our installations each time and we were very impressed by their professionalism and quality of work. Now 1 year in and we could not be any happier, nor have we encountered any issues with our models.

Jesse Y.

5.0

Sam of Plum HVAC, responded to our Heat Pump installation request promptly and provided a very competitive estimate after an onsite visit. He was very flexible and patient to answer and explain our questions. After we signed the contract, he and his team of 4 worked very hard to deliver and install the whole Heat Pump system on time with good quality. I am particularly impressed by their problem solving skills to overcome different connection challenges for the attic installation. Each day before they started, they covered the floors with protection blankets and cleaned after they were done for the day. They also revised the drainage and electric work per the city inspection guidance. Sam and his team were professional and honest so we highly recommend Plum HVAC to any customers who need HVAC work done for their houses.

Chunshi C.

5.0

We needed to install a mini-split in a backyard unit. Sam and his team helped with this, and they did a fantastic job. Sam visited our place and clearly explained to me what needed to be done, and offered a great price. He scheduled the job for a few days later, and his team performed the job with extraordinary quality. Later, I noticed a minor issue and reached out to them. Sam helped me to fix the issue on a second visit by his team later in the week, providing top-notch customer service. I will work with them in the future for my HVAC jobs, and highly recommend them given their excellent work quality and customer service.

Majid J.

5.0

I reached out to 4 companies for mini split quotes; Plum HVAC pricing came in the lowest. Beyond that, Sam was very knowledgeable and kind during the in home consultation. He offered a quote in person, & stuck by it. They removed our old furnace, and installed a two head mini split in our two story townhouse. The work as you can see is very clean! The guys who installed it were very fun & professional. Sam & his team were communicative the whole way through including the permitting process. They took roughly one full day for install, which was very fast! Including removal & disposal of our old furnace. Natalie was very helpful throughout the Bayren Rebate process & always available for any questions! This system has changed our lives, wish we would have gotten it done sooner! It’s way better than we could have imagined.

Bobby R.

5.0

Plum HVAC exceeded my expectations in every way. Sam and his installer team were not only professional but also incredibly responsible throughout the entire process. They provided top-notch service at a very reasonable price, which is hard to come by these days. I highly recommend Plum HVAC to anyone looking for quality HVAC services. You won't be disappointed!

A Chui

5.0

I recently engaged Plum HVAC to install two mini-split units at my residence, and I'm thrilled with the outcome.Throughout the entire process, from the initial consultation to the project's completion, Plum HVAC showcased professionalism and expertise. The technician, Sam, arrived promptly and conducted a comprehensive assessment of my HVAC system. Sam took the time to thoroughly explain the technicians' tasks, the estimated duration of the project, and provided transparent pricing options.

Romero J.

5.0

Wonderful experience with Plum HVAC on a heat pump installation! I checked several companies, compared their recommendations, timelines, reputations and prices.Sam, the owner, was very professional and has almost 2 decades of experience in HVAC. When I asked dumb questions, he answered most graciously. And when I noted that some companies we queried said we could get away WITHOUT replacing our original ductwork from 1965, he gave us his honest opinion why that wasn't a good idea. (Hubby remembered later that people who worked in our attic adding insulation told us there were lots of duct leaks.)

Marlene S.

5.0

I called 8 different HVAC companies for quotes for a heat pump heating/ac system because I want to save money by switching from a forced air gas furnace to an electric heat pump system which will give me both heating and air conditioning. In addition my old furnace (circa 1991) was way oversized for my home and the air coming out too noisy. The New heat pump system is quieter and more efficient.  Back to the quotes for the system, all the other 7 companies sent a salesperson/advisor to give the quote. Sam, the owner of Plum HVAC came our to give the quote. He was quick with his quote and was very knowledgeable. He didn't try to upsell me on anything and have the lowest quote of them all. His price was 60% less than the highest quote and 15% lower than the next second lowest quote.

Michael C.

5.0

Plum HVAC is an extremely professional, knowledgeable, and an established company to hire. I highly recommend Plum HVAC! Sam and his crew did a wonderful job. Sam worked with my schedule and his crew had completed the job with ease.

Blake

5.0

Sam was one of the most professional business owners I had the chance to meet over the past few years and I'm so happy I trusted him to install our new A/C unit.- He showed up on time- He was transparent (and reasonable) regarding pricing- He offered 2-3 options- His crew did a very clean/thorough jobWhat I loved the most though, was the fact he was very easy to communicate with. I would definitely use him again and recommend him to our neighbors/friends.

Bruno L.

5.0

We recently had a complicated Bryant Evolution dual fuel system with variable speed and zoning installed in our home by Plum HVAC, and we are very pleased! The team also changed the entire crawl space ducting, ensuring a comprehensive upgrade. The price was fair, and the team was always on time and easy to contact. Sam Mousavi, the head of the team, paid great attention to detail and demonstrated a strong understanding of systems. His expertise in HVAC systems and his friendly character made us feel comfortable throughout the process. We highly recommend Plum HVAC for their professionalism and excellent service.

Amirali B.

5.0

I cannot say enough about Plum HVAC, who replaced my aging heater furnace, and in particular Sam. Sam was very highly recommended by my sister, who replaced her furnace and added air conditioning.First, they gave me a good deal for a 2-stage, at the same cost as the lowest bid for a 1-stage. The other bids were dancing around some gas line work made by previous owners.

Kumar S.

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