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Serving Santa Rosa, CA and surrounding areas. (707) 867-4942
Hidden gaps in your attic, crawl space, and walls quietly drain your comfort and your energy budget every day - we find and seal them so your home holds temperature and keeps smoke outside.
Air sealing in Santa Rosa means finding and closing the hidden gaps in your home where outside air sneaks in and conditioned air leaks out - most single-family homes in the area are completed in one day, with results you can feel right away.
Most homeowners focus on windows and doors when thinking about air leaks, but the biggest gaps are hidden - in the attic floor, around recessed light fixtures, where pipes and wires pass through walls, and along the rim of the crawl space. These invisible pathways let heat, cold, dust, and wildfire smoke into your home all year. Santa Rosa homes built before 1980 are especially likely to have significant gaps, because air tightness was simply not part of how they were built.
Air sealing works best alongside basement insulation or attic upgrades, because closing gaps while adding insulation layers means neither half of the job leaves performance on the table.
If you notice the smell of wildfire smoke inside your home even with windows and doors closed, outside air is finding its way in through gaps in your building envelope. Santa Rosa homeowners deal with this every fall, and it is one of the clearest indicators that your home needs air sealing. A tighter home will significantly reduce how quickly and how much smoke gets inside.
If one bedroom is noticeably warmer than the rest of the house in July, or a corner of your living room stays drafty no matter how high the heat is set, air leaks are almost certainly part of the problem. Temperature differences between rooms are one of the most common complaints homeowners have before air sealing - and one of the first things that improves afterward.
If your energy bill has been rising over the past few years and you have not added major appliances or changed your habits, a leaky home is a likely contributor. Heating and cooling systems work harder when conditioned air is constantly escaping, which means they run longer and use more energy. Comparing your bills year over year can help you spot the pattern.
If you find yourself dusting surfaces more often than seems reasonable, or notice dust building up near ceiling vents or along baseboards, outside air is likely carrying particles in through gaps. This is especially noticeable in Santa Rosa during the dry summer months when outdoor dust and pollen levels are high. Air sealing reduces the entry points for this infiltration.
We provide comprehensive air sealing for Santa Rosa homes, covering the attic floor, crawl space rim joists, and all the penetrations where pipes, wires, and light fixtures pass through your ceiling and walls. Every project starts with a diagnostic assessment - often including a blower door test - so we know exactly where the biggest leaks are before we start. We work systematically from the attic down, applying foam and caulk to seal gaps that have been losing you conditioned air for years. We also offer attic air sealing as a standalone service for homeowners who specifically want to focus on the overhead plane.
For the best results, we pair air sealing with insulation upgrades in the same visit. Adding insulation without sealing first leaves your home still drafty; sealing without adding insulation misses the thermal benefit. We commonly combine air sealing with basement insulation to address the lower building envelope at the same time. The U.S. Department of Energy confirms that air sealing and insulation together deliver the greatest energy savings - details at ENERGY STAR.
Best for homes where the attic is the primary source of heat loss and infiltration - sealing the floor plane before adding insulation above.
Suits homes where cold air enters at the foundation level - one of the most overlooked air leak sources in older Santa Rosa homes.
Ideal when outlets, pipes, and window frames are a primary source of drafts - often combined with wall insulation for maximum effect.
Right for homeowners who want a complete diagnostic and systematic sealing of every major air pathway in a single visit.
Santa Rosa sits in Sonoma County - one of the most fire-affected regions in California - and the 2017 Tubbs Fire burned through neighborhoods just miles from downtown. During wildfire season, smoke can infiltrate a leaky home within minutes, making indoor air quality a serious issue for families with children, elderly residents, or anyone with respiratory conditions. A well-sealed home acts as a meaningful barrier against smoke infiltration, which gives air sealing a health dimension here that goes well beyond energy savings. Santa Rosa's Mediterranean climate also means the work pays off in every season: cooler in summer, warmer in winter, and drier during the rainy months when moisture can sneak through gaps.
A significant share of Santa Rosa's housing was built before the 1980s under codes that paid little attention to air tightness, meaning attics, crawl spaces, and wall penetrations in these homes are full of gaps that have been leaking for decades. Homeowners in Petaluma and Novato deal with the same older housing stock and the same wildfire smoke concerns - and consistently see strong results after professional air sealing.
We respond within one business day. We will ask about your home's age, size, and the problems you have been noticing - this lets us arrive at the assessment prepared rather than starting from scratch.
We walk through your home, access the attic and crawl space, and run a blower door test to measure how leaky your home is and pinpoint exactly where the biggest losses are occurring. You receive a written estimate with no obligation to proceed.
Our crew systematically seals gaps in your attic, crawl space, and penetrations using foam and caulk. Most Santa Rosa homes are completed in one day. You can stay home throughout - the work is quiet and focused in utility areas.
We run a second blower door test to confirm the home is measurably tighter, walk you through the before-and-after results, and provide documentation for any PG&E rebate you are applying for.
Free assessment and written estimate - no obligation. We test before and after so you can see the difference.
(707) 867-4942We use a blower door test at the start to measure your home's actual leakage and identify where to focus, then again at the end to confirm the work made a measurable difference. You see the numbers - not just our word that the job went well.
We work with Santa Rosa homeowners who want their homes to be more resilient during smoke events - not just more efficient. We know how to seal a home tightly while preserving proper ventilation so indoor air quality improves rather than gets worse.
Every contractor in California must hold a valid license from the Contractors State License Board. We are current and know when a project in Santa Rosa requires a permit - and handle that process for you. The Building Performance Institute sets the professional standard for diagnostic air sealing work we follow.
PG&E has active rebate programs for qualifying air sealing work, but navigating the paperwork alone is genuinely confusing. We know which projects qualify, handle the documentation, and make sure the rebate money you are entitled to actually comes back to you.
Our approach is simple: diagnose your home honestly, seal it properly, and verify the results with equipment before we leave. Every Santa Rosa homeowner we work with gets the same level of documentation - because you deserve to know whether the job actually worked.
Address the lower building envelope while air sealing the upper levels for a complete home performance upgrade.
Learn MoreFocus specifically on the attic floor plane - sealing around light fixtures, pipes, and wall tops before insulation goes in above.
Learn MoreSchedule your free assessment today and know your home is tighter before smoke season arrives this fall.