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Serving Windsor, CA and surrounding areas. (707) 687-4753
Gaps in your home let conditioned air out and wildfire smoke in. We find and seal those gaps with a diagnostic-first process, so you know the work made a measurable difference.
Air sealing services in Windsor, CA means finding and closing the gaps, cracks, and openings where outside air enters your home and conditioned air escapes. These openings are usually hidden - in the attic floor, around light fixtures, behind walls, or where pipes and wires pass through framing. A thorough job uses foam and caulk to close them, and a blower door test measures the before-and-after result so you have proof the work made a difference. Most jobs wrap up in a single day.
Air sealing and insulation work best as a team. Insulation slows heat from moving through your walls and ceilings, but it cannot stop air from flowing through gaps. Combining both in one project gives you the full benefit, which is why we often pair air sealing with attic air sealing or basement insulation on the same visit.
For Windsor homeowners, air sealing is not just an energy upgrade - it is also one of the most practical steps you can take to protect your home during wildfire smoke events that now arrive most summers in Sonoma County.
If you notice a smoky odor inside even when windows and doors are closed, outside air is entering through gaps in your home's envelope. Windsor and the surrounding area have experienced repeated smoke events, and a well-sealed home provides a meaningful layer of protection. This is one of the most direct signs that air sealing is overdue.
Windsor summers are long and hot. If your cooling costs feel out of proportion to how comfortable your home actually is, air leakage is often the reason. When hot outdoor air pours in through gaps in the attic or around recessed lights, your AC works much harder to keep up - and your PG&E bill shows it.
If one bedroom is always warmer than the rest of the house, or you feel a draft near an interior wall or ceiling, air is moving through your home in ways it should not be. These temperature imbalances are a common symptom of air leakage, especially in homes built before 2000.
Hold your hand near an electrical outlet or switch on an exterior wall on a warm day. If you feel warm air pushing in, or can see light around the edges of the cover plate, there are gaps behind that wall connecting directly to outside. This is one of the easiest air leaks to detect without any special equipment.
We start every air sealing job with a blower door test - a calibrated fan that fits in your front door and measures exactly how leaky your home is before any work begins. That number gives both you and us a baseline to work from, and we run it again after the job to confirm the leakage went down. The sealing work itself focuses on the attic floor, crawl space ceiling, and anywhere pipes, wires, or light fixtures pass through framing - because that is where the bulk of the leakage in most Windsor homes is concentrated. We apply spray foam and caulk to close those openings completely. For homes where attic leakage is the primary problem, we coordinate closely with our attic air sealing process. For homes that need both air sealing and new insulation, we handle both in one visit so you are not scheduling two separate crews.
We also help Windsor homeowners understand and access PG&E rebates and the Energy Upgrade California program for qualifying work. A contractor who documents the project correctly can save you hundreds of dollars - and we make sure that documentation is in place before we leave. If you are interested in whole-home performance, we pair air sealing with basement insulation or wall insulation upgrades depending on where your home needs the most help.
Measures exactly how leaky your home is before and after the work - so you have proof the job made a difference.
Closes gaps around light fixtures, framing joints, and penetrations where the most air typically escapes.
Stops cold air and moisture from rising through the floor system into your living spaces.
Applied to every gap we find - not just the obvious ones - for a complete result.
We help you qualify for PG&E and state incentives by documenting the work correctly from the start.
For homes that need both, we handle everything in one visit - no coordinating between contractors.
Windsor sits in a region that has lived through some of California's most destructive wildfire seasons, including the 2019 Kincade Fire, which forced evacuations across Sonoma County. During smoke events, gaps in a home's attic, walls, and crawl space act like open vents - pulling smoky outdoor air directly into living spaces. Homeowners who have noticed their home smells like smoke during fire season, or whose family members have asthma or allergies, have a particularly strong reason to prioritize air sealing now. At the same time, Windsor's long, hot summers drive up PG&E bills for anyone with a leaky home envelope. Air sealing addresses both problems at once. Homeowners in Santa Rosa and Rohnert Park face the same conditions and have seen real bill reductions and comfort improvements after sealing their homes.
Many Windsor homes built in the 1970s through the 1990s have never been properly sealed. Building practices of that era paid little attention to air tightness, which means significant leakage has been running through those homes for decades. If your home was built before 2000 and has never had an energy audit or air sealing work done, there is a good chance it qualifies for both a meaningful comfort improvement and available rebate money. California's energy efficiency programs are well-funded right now, and a contractor who knows how to access them can reduce your out-of-pocket cost substantially.
We respond within 1 business day. We will ask a few basic questions - your home's age, whether you have noticed comfort problems or smoke smell, and whether you are planning other work like insulation or HVAC upgrades. This helps us arrive prepared with the right equipment.
We inspect your attic, crawl space, and common leakage areas, then run a blower door test. This 30-minute test gives you a real number showing how much air is escaping your home - before any work begins, so you know your starting point.
The crew focuses most of their time in the attic and crawl space, applying foam and caulk to seal gaps around pipes, wires, recessed lights, and framing joints. Most single-family Windsor homes are fully sealed in one day. You do not need to do much to prepare beyond clearing attic hatch access.
We run the blower door test again after sealing to confirm leakage went down measurably. Then we walk you through what was done and provide documentation you can use for rebate applications. No guessing - you leave with a number proving the job worked.
Free estimate and blower door assessment. We show you the numbers before we start and after we finish.
(707) 687-4753We run the diagnostic test twice - once before we start and once when we finish. That gives you a real number showing exactly how much leakage was reduced. Most contractors skip this step. We include it because it is the only honest way to confirm the work made a difference.
We know how to document air sealing projects so they qualify for PG&E and Energy Upgrade California incentives. That documentation starts on the day of the assessment - not after. Getting this right from the start is the difference between receiving your rebate and missing out on it.
We work in Windsor and across Sonoma County regularly, which means we understand the housing stock - mostly 1990s-era planned subdivisions with stucco exteriors and attic hatches in awkward places. We also know what wildfire smoke seasons look like here, and we take that seriously when recommending the scope of sealing work.
For most Windsor single-family homes, the full air sealing job - assessment, sealing, final test, and cleanup - is done in a single day. Your home is usable again immediately after we leave. No curing period, no areas to avoid, and no contractor waste left for you to deal with.
Verified results, rebate-ready documentation, and a team that knows the local conditions - these are the things that separate a thorough air sealing job from one that just applies some foam and calls it done. Learn more about whole-home energy performance standards at the Building Performance Institute and rebate opportunities at Energy Upgrade California.
Complete your home's thermal envelope by addressing the basement or lower level after air sealing the attic and crawl space.
Learn MoreTarget the attic floor specifically, where the largest air leaks in most Windsor homes are concentrated.
Learn MoreCall today to schedule your free air sealing estimate. Most Windsor jobs are booked within two weeks, so the earlier you reach out, the better your chances of getting on the calendar before summer.