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Serving Pasadena, CA and surrounding areas. (213) 953-8008
Insulation alone is not enough if your home has unsealed gaps. We find every crack and plug it - so your cooled air stays inside and Santa Ana dust stays out.
Air sealing in Pasadena closes the gaps, cracks, and openings in your home's shell - around pipes, wires, light fixtures, and attic framing - so conditioned air stops escaping and outside air stops sneaking in, with most whole-home jobs completed in one day.
Insulation slows heat transfer, but it does not stop air movement. If your home has unsealed gaps in the attic floor, around plumbing stacks, or at wall-to-ceiling joints, conditioned air is still escaping constantly - regardless of how much insulation you have. Air sealing works best when paired with insulation, and many utility rebate programs require both. If your attic is the main concern, attic air sealing as a standalone service addresses the most common leak points in a single focused visit.
A sharp climb in your electricity bill from June through September - when your usage habits have not changed - often means air leakage is forcing your AC to run longer and harder than it should. Pasadena's sustained summer heat puts your cooling system under real pressure. If your bill feels disproportionate to the size of your home, air leakage is a prime suspect.
If one bedroom is always stuffy in summer or one corner of the house is always drafty in winter, conditioned air is likely escaping nearby and outdoor air is replacing it. In older Pasadena homes, this is especially common in rooms directly below the attic or above a crawl space. The thermostat cannot fix a leaky envelope - it just runs the system harder.
If your home gets noticeably dustier or smellier during Santa Ana wind events, that is outside air entering through gaps in the attic, walls, and framing. This is one of the clearest signs that air sealing would make a real difference. Pasadena homeowners in older neighborhoods report this as one of the most frustrating seasonal problems - and one of the first things that improves after sealing work is done.
Stand in a dark room and look up at your recessed light fixtures. If you can see light coming from around the edges, air is moving through those same gaps. Similarly, if your attic hatch feels warm in summer or cold in winter, it is not insulated or sealed properly. These are quick, free checks - and among the most common leak points found in Pasadena's pre-1980 homes.
We start every air sealing job with a blower door diagnostic test - a temporary fan mounted in your front door that depressurizes the house and measures exactly how much air your home is losing. That number gives us a baseline before any work starts and allows us to run the same test after the job to prove the leaks were actually reduced. We seal gaps with foam, caulk, or weatherstripping matched to the size and location of each opening. For attic-focused work, we offer attic air sealing as a dedicated service that concentrates on the most leak-prone area in most Pasadena homes.
Air sealing and insulation work together - seal first, then insulate on top - and many homeowners choose to combine both services in the same visit for the greatest impact. We also offer basement insulation for homes where the floor system above an unconditioned space needs attention. Every job includes a written quote before work starts, clear communication about what we found and what we sealed, and any paperwork you need for rebate applications or tax credit claims.
Full blower door diagnostic and sealing of every identified leak point in the attic, crawl space, and interior.
Focused sealing of attic floor penetrations - the highest-impact single area in most Pasadena homes.
For homeowners who want maximum efficiency gain: seal all gaps, then add insulation on top in one visit.
Blower door test and written report to confirm eligibility for SCE or SoCalGas rebate programs before committing.
Two conditions make air sealing unusually high-value in Pasadena. The first is the summer heat: the San Gabriel Valley routinely climbs past 95 degrees from June through September, and a leaky home is fighting a losing battle to stay cool. Every gap in the building envelope is a direct path for that heat to enter. The second is Santa Ana wind season. From late September through February, strong dry winds push air through every crack with unusual force - bringing dust, allergens, and very low humidity into homes that are not properly sealed. Homeowners in Glendale and Burbank experience the same Santa Ana conditions and benefit from the same sealing approach.
Pasadena also has a high concentration of pre-1960 homes - Craftsman bungalows, Spanish Colonial Revival properties, and mid-century ranches - that were built before energy efficiency was a design consideration. Those homes typically have dozens of unsealed gaps around old plumbing stacks, electrical runs, and attic framing that have never been addressed. The ENERGY STAR Seal and Insulate program recognizes this combination as among the highest-impact energy upgrades available to homeowners, and California utilities fund rebate programs specifically to incentivize it. If your Pasadena home is more than 40 years old and has never had an energy audit, there is a good chance air sealing alone would make a noticeable difference in your comfort and bills.
We reply within one business day. We ask a few quick questions about your home age, comfort concerns, and whether you are interested in rebates - so we come prepared. No pricing pressure at this stage.
We walk your attic, crawl space, and living areas for obvious gaps, then run a blower door test to measure exactly how much air your home is losing. The test takes about an hour and gives both of us a clear picture before any work is recommended.
You receive a written estimate covering what we found, what we will seal, and what it costs. This is the right moment to ask about Southern California Edison and SoCalGas rebates - we know which programs are currently active and whether your project qualifies.
The crew seals identified gaps with foam, caulk, or weatherstripping. Most Pasadena homes are done in one day. We run the blower door test again after the work to confirm leakage was actually reduced - and hand you the paperwork you need for rebate or tax credit claims.
We test before and after every job. Free estimate, no obligation, reply within one business day.
(213) 953-8008We run a blower door test before work begins and again after to confirm the leaks were actually reduced. You get a measurable result - not just a contractor's word. This is the standard set by the Building Performance Institute, and it is the only way to know whether the money you spent made a real difference.
We know where the leaks hide in Craftsman bungalows, Spanish Colonial homes, and mid-century ranches because we have sealed dozens of them across the San Gabriel Valley. The gap locations in a 1930s Craftsman are predictable once you have worked on enough of them - and that familiarity makes the job faster and more complete.
Southern California Edison, SoCalGas, and the federal Inflation Reduction Act all offer financial incentives for air sealing work. We walk you through what you qualify for before any work starts, help you file correctly, and make sure you capture every dollar you are entitled to.
We have been working in Pasadena and the surrounding San Gabriel Valley for years and understand the housing stock, the local permit requirements, and the seasonal conditions that make air sealing matter here. The U.S. Department of Energy outlines air sealing best practices at energy.gov - we follow them on every job.
Every air sealing job we do is backed by diagnostic testing and a clear written record of what was sealed. We do not skip the post-job test, and we do not leave you guessing about whether the work made a difference.
Insulate the floor system above unconditioned basement or crawl space areas to stop heat loss from below.
Learn MoreA focused service targeting the attic floor - the single most impactful area for air sealing in most Pasadena homes.
Learn MoreSanta Ana season is coming - seal your home now and stop paying to cool air that immediately escapes.