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Serving Los Banos, CA and surrounding areas. (209) 592-1588
Hidden gaps in your home let San Joaquin Valley heat in and your cool air out. We find them with a blower door test and seal them so your AC stops losing the battle.
Air sealing services in Los Banos locate and close the hidden gaps in your home that let outdoor air in and conditioned air out - most jobs take one to two days and include a blower door test before and after to confirm the improvement in writing.
Most homeowners assume windows and doors are the main source of air leakage. In reality, the biggest culprits are usually hidden - gaps where walls meet the ceiling into the attic, openings around plumbing and wires, and recessed lights that connect directly to the attic space above. In Los Banos, where summers regularly exceed 100 degrees, those gaps let in not just heat but agricultural dust and outdoor air quality that nobody wants indoors. Air sealing services close those pathways so your insulation can do its job properly.
Air sealing is most effective when paired with basement insulation or attic air sealing for a complete approach to tightening your home's envelope from top to bottom.
If your air conditioner runs almost constantly during a Los Banos summer but certain rooms still feel stuffy and hot, air leaks are a likely cause. Hot outdoor air is sneaking in faster than your system can cool it. This is one of the most common complaints from homeowners in the San Joaquin Valley, and it is often fixable without replacing your HVAC system.
The San Joaquin Valley is known for agricultural dust. If you find a fine layer of grit on countertops or windowsills within a day or two of cleaning, outside air is getting in through gaps somewhere. Air sealing addresses the source of the problem rather than just the symptom.
Hold your hand near an electrical outlet on an exterior wall on a hot or cold day. If you feel air moving, that outlet is connected to a gap that goes straight to the outside. The same test works near recessed ceiling lights and around the edges of your attic hatch - easy signs that your home has air sealing needs.
Homes built before the mid-1990s in Los Banos were constructed under older standards that did not prioritize tight construction. If your home has never had a professional energy assessment, there is a reasonable chance it has significant air leaks you are not aware of. An audit is the first step to knowing for certain.
We start every job with a blower door diagnostic test that depressurizes your home and shows exactly where air is leaking - so we prioritize the spots that matter most rather than guessing. From there, we seal attic floor bypasses, rim joists, recessed lights, plumbing and wire penetrations, and any other gaps found during the assessment, using foam and caulk appropriate to each location. We also offer attic air sealing as a focused service when the attic is the primary problem area.
Air sealing alone makes a real difference, but it works best when combined with insulation. After sealing the gaps that let air move freely, adding insulation slows the heat that moves through the material itself. We pair air sealing with basement insulation and wall and attic work regularly, and can assess what combination makes sense for your specific home during the initial visit.
Full diagnostic and sealing of attic, crawl space, and living area bypasses - best for homes with high energy costs or significant comfort problems.
Targets the attic floor where walls, pipes, and fixtures create the largest hidden gaps - the single highest-impact location in most Los Banos homes.
Seals the below-grade envelope for homes where cold air, moisture, or pests are entering from underneath the living space.
Air sealing and insulation done together in a single visit - the most effective approach for homes that need both improvements.
Los Banos has a large share of homes built in the 1960s through 1990s, before modern energy codes required tight construction. Decades of settling, pest activity, and remodeling work have added even more gaps over time in many of these houses. When summer temperatures push past 100 degrees and the San Joaquin Valley Air Pollution Control District is issuing air quality alerts, every opening in your home's envelope is letting in heat, dust, and outdoor particulates you cannot control. Homeowners in Los Banos and in neighboring communities like Livingston and Atwater face the same conditions and the same older housing stock.
PG&E serves Los Banos and offers rebates for qualifying air sealing work. The California Energy Commission also runs assistance programs for income-qualifying households. The Building Performance Institute sets the diagnostic and installation standards we follow, and the San Joaquin Valley Air Pollution Control District provides local air quality data that helps explain why indoor air tightness matters in this region specifically.
We will ask a few basic questions about your home's age, your main concerns - high bills, drafts, dust - and whether you have had any prior work done. We respond within 1 business day and schedule your assessment at your convenience.
A technician walks through your home, inspects the attic and crawl space, and sets up a blower door test - a large fan in your doorway that measures exactly how much air your home is losing. The assessment takes two to three hours and requires no furniture moving.
We explain what we found in plain language - which areas are losing the most air and what the fix involves - and present a written quote. This is also the right time to ask about PG&E rebates or state programs that may apply to your project.
The crew seals gaps around pipes, wires, and light fixtures using foam and caulk, working mostly in the attic and crawl space. Once done, we run the blower door test again and hand you a written before-and-after report confirming the improvement.
Free estimate. Blower door test included in assessment. Written quote before any work starts.
(209) 592-1588We run a blower door test before we start and again after we finish. You receive a written report showing the measurable improvement in your home's air tightness. You are never left guessing whether the work made a difference.
Air sealing works best when paired with insulation, and we offer both. Whether your attic needs insulation added, your walls need filling, or your crawl space needs a vapor barrier, we handle all of it without subcontracting the work.
We know which current PG&E rebate programs apply to air sealing work in Los Banos and can help you capture those savings before the job starts. A rebate you miss is money you left on the table - we make sure you do not miss it.
We work in this heat every day. We know where Los Banos homes built in the 1970s through 1990s typically leak worst, what agricultural dust and Valley conditions do to a home's envelope over time, and how to prioritize the work that delivers the biggest improvement.
We do the diagnostic work before we touch anything, and we hand you written proof of what we did when we are done. That is not how every contractor operates - but it is the only way we work.
Insulate and seal below-grade spaces to reduce heat gain from the ground up and prevent moisture from entering the living area.
Learn moreTarget the attic floor specifically - sealing the bypasses where walls, pipes, and wires pass through the ceiling into the attic.
Learn moreSummer fills our schedule fast - reach out now to book your blower door assessment and lock in a date before the heat season peaks.