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Serving Gilroy, CA and surrounding areas. (669) 345-1323
A poorly insulated attic turns into an oven in Gilroy summers and radiates heat into your home all day long. We install attic insulation that keeps that heat where it belongs - outside.
Attic insulation in Gilroy acts as a thermal barrier between the outdoor heat and your living space - most jobs take one day from start to finish. When it is working correctly, your air conditioner cycles less, your rooms stay at a consistent temperature, and your electricity bill reflects the difference during the long summer months. When it is not working - because it is too thin, degraded, or has been disturbed by pests - your home becomes a constant uphill battle from June through September.
A critical step that is often missed is air sealing before new insulation goes in. Gaps around pipes, wires, and light fixtures in the attic floor allow conditioned air to escape even if there is plenty of insulation on top. We seal those gaps first, which is why our results tend to hold up better over time. For homes where the attic space itself needs a tighter seal - like older homes near downtown Gilroy - we may recommend combining attic insulation with blown-in insulation techniques that fill every corner evenly.
Many of our customers also ask about combining attic insulation with attic air sealing as a separate, more comprehensive service. If your home is losing a significant amount of conditioned air through the attic floor, that combination delivers the most noticeable improvement in both comfort and energy costs.
If your electricity bill climbs sharply from June through September and your air conditioner seems to run almost constantly, your attic insulation may be the culprit. Gilroy heat turns a poorly insulated attic into an oven that radiates heat down into your living space all day. This is one of the clearest indicators the insulation is not doing its job.
If one bedroom is always stuffy in summer or one hallway is always cold in winter, thin spots in your attic insulation create pathways for heat to enter or escape. This is especially common in Gilroy homes built before the 1980s, where insulation was installed inconsistently or has settled over the years.
If you peek into your attic and can clearly see the tops of the wooden beams running across the floor, your insulation is almost certainly too thin. Adequate insulation should cover those beams completely and then some. This is a quick visual check any homeowner can do safely from the attic hatch without going inside.
Rodents and other pests that find their way into Gilroy attics often nest in insulation and compress or contaminate it in ways that significantly reduce its effectiveness. If you have heard scratching, seen droppings, or had pest control treat your attic, having the insulation inspected as well is worth doing.
We handle attic insulation projects from straightforward top-up jobs - adding material on top of what is already there - to full replacement projects where old, damaged, or contaminated insulation needs to come out first. Every job starts with an honest assessment of what is already in your attic, how it is performing, and whether anything needs to be addressed before new material goes in. We will not recommend removal if what is there can still do the job effectively. For attics where blown-in insulation is the right method, we use equipment that distributes material evenly across the entire floor, including around beams and in tight corners where coverage is most likely to be thin.
For attics where air leakage is a significant problem, we also offer attic air sealing as part of the same visit. Sealing gaps around penetrations - where plumbing, wiring, and HVAC ducts pass through the attic floor - before the new insulation goes in is the step that separates a thorough job from one that underperforms. Many homeowners who have had insulation work done elsewhere are surprised when they see how much difference proper air sealing makes in practice.
Adds material on top of existing insulation - best when what is there is in good shape but just too thin.
Removes old, damaged, or contaminated material before installing fresh insulation to current standards.
Seals gaps around pipes, wires, and fixtures in the attic floor before new insulation goes in.
Confirms attic vents remain clear after installation - critical for moisture control and roof health.
Gilroy regularly sees summer temperatures above 95 degrees Fahrenheit, and an attic without adequate insulation can reach temperatures well above that on a hot afternoon. That heat radiates down through the ceiling into your living space all day and well into the evening, which is why some Gilroy homes never feel cool even when the AC runs constantly. Most of Gilroy's housing stock was built in the 1980s and 1990s under insulation standards that were considerably lower than what California requires today. If your home has not been assessed since it was built, there is a good chance the attic is under-performing - the insulation either was not deep enough to begin with or has settled and degraded over 30 to 40 years of use.
PG&E, which serves Gilroy, offers rebates for qualifying attic insulation upgrades. Those rebates can offset a meaningful portion of the project cost, but they require documentation of the existing insulation level before work begins and must be done by a participating contractor. We work with homeowners in Los Gatos and Morgan Hill who face similar housing stock and climate conditions, and PG&E rebate eligibility extends to those communities as well. The ENERGY STAR program provides guidance on attic insulation types and levels that apply directly to California homes like those in Gilroy.
We respond within 1 business day. We will ask a few basic questions - your home's age, whether you have had any insulation work done before, and what has been prompting your concern - so we come prepared to give you a useful answer.
We visit your attic, measure existing insulation depth, check for air gaps, and look for moisture or pest damage. The visit is typically free and takes 30 to 60 minutes. You get an honest picture of where you stand before any commitment.
After the assessment you receive a written estimate explaining what work is recommended, why, and what you will end up with when the job is done. We explain whether removal is needed, whether air sealing is included, and what level of insulation results.
Most Gilroy attic jobs finish in four to eight hours. The crew works in the attic - minimal noise, daily routine mostly undisturbed. Before we leave, we walk through the finished work and confirm that ventilation pathways are clear.
We respond within 1 business day - no obligation to proceed. After you submit, someone from our office will call to schedule a free on-site assessment at a time that works for you.
(669) 345-1323We carry a California C-2 contractor license and maintain general liability insurance on every project. For permitted work, our documentation meets the requirements for inspection without callbacks - protecting you and keeping the project moving.
PG&E rebates for attic insulation are available to Gilroy residents, but the paperwork needs to be started before the job - not after. We handle the documentation so you receive the rebate you are entitled to without having to figure out the process yourself.
Sealing gaps before insulation goes in is the step that separates a thorough job from one that underperforms. We include it as a standard part of our attic insulation process rather than treating it as an add-on - because the results are visibly better.
We work throughout Santa Clara County and the surrounding region, and we know the housing stock in Gilroy specifically - the older homes near downtown, the 1980s tract homes, and the newer subdivisions on the east side. Local knowledge shows up in the quality of the work.
We start every project by telling you honestly what is in your attic and what it will take to fix it. That transparency is what keeps homeowners from being surprised on installation day.
Blown-in is the most common method for attic insulation top-ups - it fills around beams and tight corners evenly, making it ideal for Gilroy homes with irregular attic layouts.
Learn morePairing new insulation with dedicated air sealing stops conditioned air from escaping through gaps in the attic floor - the combination delivers noticeably better results than insulation alone.
Learn moreGet your attic assessed before another Gilroy summer - a free estimate takes less than an hour and you will know exactly where you stand.