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Serving Hemet, CA and surrounding areas. (951) 430-8634
Hemet Insulation is a licensed insulation contractor serving Murrieta, CA with commercial insulation, attic insulation, spray foam, and air sealing for homes and businesses throughout the city. We have been serving southwest Riverside County since 2022 and respond to new requests within 1 business day.
Murrieta's homes were mostly built between the 1990s and early 2000s, and at 20 to 35 years old, original insulation and attic sealing are due for attention. We know the tract home layouts here and what it takes to bring them up to current energy performance.
Murrieta has a significant commercial corridor along Interstate 15, with retail, office, and healthcare buildings — including Loma Linda University Health — that deal with the same brutal summer heat as the residential side of town. Many commercial buildings here were constructed in the 1990s and early 2000s and are well past due for an insulation assessment. We provide commercial insulation for single-story retail spaces, office buildings, warehouses, and multi-unit properties, pulling permits and handling California Title 24 compliance as part of every commercial project.
Most of Murrieta's homes were built by large tract developers in the 1990s and early 2000s, and the original attic insulation in those homes has now had 20 to 30 years to settle and compress. Summer temperatures that regularly hit the high 90s push heat directly through an underperforming attic into the living space below, making air conditioning run longer and costing more. Upgrading to current R-value standards is often the single highest-return improvement for these homes.
Tract home construction means consistent layouts but also consistent weak points — the same framing gaps and penetrations appear in home after home across the same subdivision. Spray foam is the right material when you need to seal those air leaks and add insulation at the same time, and it is especially effective in attic rim joists, garage-to-living-space walls, and around mechanical penetrations where batts alone leave gaps.
Murrieta's location near open space on the eastern hills means wildfire smoke is a real seasonal concern. A well-sealed building envelope keeps smoke and particulates out more effectively than a leaky one — and homes built to 1990s standards typically have more gaps than their owners realize. Air sealing at penetrations and bypasses reduces smoke infiltration during fire season and cuts HVAC operating costs year-round.
Many Murrieta homes were built with standard-grade insulation that met the code of the time but falls short of what California Title 24 requires today. Retrofit insulation adds material to existing wall cavities and attic spaces without a full gut renovation, bringing older homes up to current energy standards and reducing the load on HVAC systems that are also aging alongside the house.
Murrieta sits along Interstate 15 in southwest Riverside County, about 30 miles north of San Diego and well inland from the coast. The city lacks the Pacific marine layer that keeps coastal communities like Oceanside or Carlsbad cooler through summer — instead, temperatures from June through September regularly reach the mid-90s to low 100s, and air conditioning runs hard for months at a time. For homes that are now 20 to 35 years old, original insulation that was adequate in 1995 is no longer delivering the performance those homes need in today's peak-heat conditions.
The bulk of Murrieta's housing stock was built by large tract developers — Shea Homes, Lennar, KB Home, and others were all active here during the growth years of the 1990s and 2000s. Consistent floor plans are a convenience for contractors, but they also mean consistent failure modes: the same air leaks and insulation gaps show up in similar locations from one home to the next across a given subdivision. A contractor familiar with these builder specs moves faster and catches the weak points that a less experienced crew would overlook.
Proximity to the wildland-urban interface on Murrieta's eastern edge adds a fire season dimension that homeowners near California Oaks and Greer Ranch deal with regularly. Attic vents and wall penetrations that are not properly sealed allow ember intrusion and smoke infiltration during nearby fire events. Insulation work that includes proper air sealing addresses this risk as a secondary benefit alongside the energy performance improvements.
Commercial insulation permits in Murrieta go through the Murrieta Community Development Department, and we handle the permit application and required inspections on behalf of our commercial clients so they do not have to navigate that process themselves. For residential work, standard insulation upgrades typically do not require a permit, but when they are part of a larger permitted renovation, we coordinate with the city from the start.
We work throughout Murrieta — in the established neighborhoods near California Oaks Sports Park, in the planned communities like Spencer's Crossing and Greer Ranch, and in the commercial areas along the I-15 corridor. Interstate 15 makes the drive in from our Hemet base straightforward and allows us to schedule efficiently across southwest Riverside County.
We serve neighboring Temecula immediately to the south, which shares Murrieta's building stock, climate, and insulation challenges. We also work in Lake Elsinore, just to the northwest, so our team is on the road in this part of southwest Riverside County regularly.
Call or submit a request online. We respond within 1 business day and gather enough information about your property — residential or commercial — to arrive prepared for the assessment.
A technician visits your Murrieta property and inspects the attic, wall cavities, or commercial space in question. The assessment is free, and you receive a written estimate with no obligation. For commercial projects, we confirm permit requirements at this stage so there are no surprises later.
We book the work when it fits your calendar. Most residential attic jobs in Murrieta are done in a single day. Commercial projects are scheduled to minimize disruption to operations, with most work happening in attic and mechanical areas that employees and customers do not use.
Before we leave, we walk you through the finished work, confirm coverage and R-value achieved, and answer any questions about what was installed and where. We fully clean up the work area before departing.
Residential and commercial projects welcome. We serve all of Murrieta and respond within 1 business day.
(951) 430-8634Murrieta is a city of roughly 116,000 residents in southwest Riverside County, incorporated in 1991 and built largely during the tract home construction wave of the 1990s and early 2000s. The housing market is overwhelmingly single-family owner-occupied homes, with median home values around $550,000 to $600,000 and household incomes among the higher in Riverside County, according to U.S. Census data. Planned communities like Greer Ranch, Spencer's Crossing, and California Oaks give the city its suburban character, with wide streets, moderate lots, and attached two-car garages on most homes.
Murrieta takes its name from Murrieta Hot Springs, natural hot springs that drew visitors as far back as the late 1800s. Today the city is better known as a regional family destination along Interstate 15, with well-regarded schools, a growing healthcare presence centered around Loma Linda University Health, and recreational facilities like California Oaks Sports Park that serve thousands of residents weekly.
Murrieta borders Temecula to the south and Menifee to the north — two cities with similar housing stock and insulation needs that we also serve regularly.
Spray foam seals gaps and delivers a high R-value in attics, walls, and crawl spaces.
Learn moreProper attic insulation reduces heat gain and keeps energy bills in check year-round.
Learn moreBlown-in insulation fills irregular cavities evenly for consistent thermal coverage.
Learn moreWhole-home insulation services that improve comfort and lower heating and cooling costs.
Learn moreSafe removal of old, damaged, or contaminated insulation before a fresh installation.
Learn moreInsulating the crawl space reduces moisture intrusion and improves floor comfort.
Learn moreWall insulation cuts noise transmission and stabilizes interior temperatures.
Learn moreAir sealing stops drafts at penetrations and joints, improving HVAC efficiency.
Learn moreBasement insulation controls moisture and keeps below-grade spaces usable.
Learn moreClosed-cell foam provides the highest R-value per inch and acts as a vapor barrier.
Learn moreOpen-cell foam expands to fill cavities and provides excellent sound dampening.
Learn moreSealing attic bypasses before insulating dramatically reduces conditioned air loss.
Learn moreA vapor barrier in the crawl space protects structural wood and subfloor materials.
Learn moreProfessional vapor barrier installation keeps ground moisture out of living areas.
Learn moreRetrofit insulation upgrades existing homes without requiring major demolition.
Learn moreCommercial insulation solutions for offices, warehouses, and light industrial buildings.
Learn moreServing these cities and communities.
Call us today or request a free estimate online. We cover all of Murrieta and respond within 1 business day.