Every gap in your home lets in 115-degree air and monsoon dust. We find them all and seal them so your AC can actually keep up this summer.
Air sealing services in San Luis find and close every gap, crack, and hidden opening in your home's structure so 110-degree outdoor air stops forcing its way inside - most jobs on a standard single-family home are complete in one to two days, and you will be home for most of the work.
Most people think about insulation when they want to lower their cooling costs. But air leakage is often the bigger problem - especially in San Luis, where homes built during the rapid growth of the 2000s were sometimes constructed quickly and left gaps around electrical boxes, attic hatches, and plumbing penetrations that were never properly closed. Hot outside air infiltrates through those gaps constantly, and your AC fights it all day without ever winning. Air sealing is how you fix that at the source.
Air sealing works best when paired with attic air sealing - the attic is almost always the biggest source of leakage in a San Luis home, and addressing both together delivers the most noticeable improvement in your cooling performance and electric bill.
If your cooling costs jump sharply from May through September and feel out of proportion to your home size, air leakage is one of the most common culprits. In San Luis, where temperatures above 110 degrees are routine, even small gaps in your home's envelope force your AC to run almost continuously.
San Luis experiences significant dust events, especially during monsoon season. If you are finding a fresh layer of fine grit on countertops and furniture within hours of a haboob - even with windows closed - air is finding its way in through gaps in your walls, attic, or around penetrations.
If a bedroom or the back of your house stays significantly warmer than the rest of the home even when the AC is running, uneven air sealing is often the reason. Hot outside air infiltrating through gaps in that part of the home overwhelms what the cooling system can handle.
During monsoon months, outdoor humidity rises sharply in San Luis. If your home develops a musty smell during this period - especially in closets or near exterior walls - humid outdoor air may be infiltrating through gaps and getting trapped in wall cavities or the attic, where it can cause real damage over time.
We start every job with a blower door diagnostic test - a fan mounted in your doorway that depressurizes the house so leaks become easy to locate. This is not optional for us; it is how we make sure we are sealing the right spots, not guessing. From there, we work through your home systematically: attic connections first (the highest-impact area in most San Luis homes), then walls, outlets, light fixtures, and any mechanical penetrations where pipes or wires pass through the building envelope.
For homes that also need insulation, we can coordinate basement insulation on the same project so you address both air movement and heat transfer at once. And once the sealing work is done, we run the blower door test a second time so you can see the actual improvement in measurable numbers - not just feel it.
Measures exactly how much air your home is leaking and pinpoints where the gaps are before any work begins.
The single most impactful spot in most San Luis homes - sealing the connections between your living space and attic.
Closes the hidden gaps behind electrical outlets, switches, and recessed lights that pull in hot outside air.
Seals around pipes, wires, ducts, and any other points where systems pass through your home's envelope.
San Luis sits in the Sonoran Desert along the U.S.-Mexico border, where summer temperatures regularly exceed 110 degrees and the air conditioning season stretches from April through October. That means your cooling system is working harder and longer than almost anywhere else in the country. Every gap in your home's envelope is essentially a hole in your wallet - hot outside air pushes in constantly, and your AC fights it all day. The summer monsoon season, running roughly July through September, adds another complication: sudden humidity spikes that can push damp outdoor air into wall cavities and attic spaces through those same gaps, where moisture can cause damage over time even in an otherwise dry climate.
San Luis has grown rapidly over the past two decades, and much of the housing stock consists of builder-grade homes constructed quickly to meet demand. Fast construction sometimes means gaps around electrical boxes, plumbing penetrations, and attic hatches that were never sealed. If your home was built in the 2000s or 2010s, a diagnostic test will quickly tell you whether this applies to you. We serve homeowners throughout San Luis and nearby Yuma, and we know the gap patterns common to homes built here during that period.
We ask a few basic questions - home size, when it was built, what has been prompting your concern. We respond within 1 business day and can usually schedule an initial visit within the week.
We mount a fan in your doorway, depressurize the house, and find exactly where your home is leaking. This visit takes one to two hours and gives us real data - not guesses - to base the estimate on.
You receive a written estimate that explains what we found, where we plan to seal, and what it will cost. The estimate references the blower door results so you can see the problem in concrete terms.
The crew works through the home systematically - attic first, then walls, floors, and penetrations. We run the blower door test again after the work so you can see the before-and-after numbers side by side.
We run a diagnostic test first so you know exactly what needs fixing before any work begins. No pressure, no obligation.
(928) 296-5342We hold a current Arizona Registrar of Contractors license you can verify at roc.az.gov. That gives you formal recourse and keeps your homeowner's insurance coverage intact - something an unlicensed contractor cannot offer.
We run a blower door test before work begins and again after completion, so you have actual numbers showing the improvement. You are not taking our word for it - you can see the data yourself.
We work in this region regularly and understand what homes here face: 115-degree summers, monsoon humidity spikes, and builder-grade construction with common gap patterns. We know where to look and what to fix.
We schedule intensive attic sealing during fall and winter when attic temperatures are safe for quality work. Rushing attic jobs in summer heat produces poor results - we plan the calendar to do the work right.
The Building Performance Institute sets the professional standard for diagnostic-driven air sealing work, and its framework is what separates contractors who guess from those who measure. We work to that standard on every job - before-and-after blower door numbers are not optional for us, they are how we confirm the work was done right.
Seal and insulate below the living space to stop heat and moisture from entering through the floor assembly.
Learn moreTargeted attic air sealing addresses the single biggest source of air leakage in most San Luis homes - the connection between living space and attic.
Learn moreFall and winter are the ideal time to get this done - schedule now and your home will be sealed and ready before temperatures climb past 100 degrees.
