The Best Insulation Contractors in Granada Hills, CA

Compare the highest-rated insulation professionals in Granada Hills, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Attic Crew

4.8
(280 reviews)
Verified

Attic Crew is a highly specialized contractor focusing almost exclusively on attic and insulation services. They are renowned for their comprehensive approach, which combines intense attic cleaning, advanced air sealing, and high-performance insulation installation. Their strong emphasis on resolving moisture issues and improving indoor air quality, in addition to energy savings, makes them a top choice.

9636 Laurel Canyon Blvd #751, Pacoima, CA 91331 (Serves Granada Hills)

Specialties & Features

Attic Insulation Installation and Upgrade
Air Sealing Services
Insulation Removal and Replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of North San Fernando Valley

4.9
(150 reviews)
Verified

Koala Insulation is part of a national brand known for its professionalism and wide range of insulation solutions. They offer all major types of insulation, including blown-in, spray foam, and batt, allowing them to provide unbiased recommendations. Their service is comprehensive, covering everything from energy audits to removal and new installation for attics, walls, and crawl spaces.

9611 Canoga Ave, Chatsworth, CA 91311 (Serves Granada Hills)

Specialties & Features

Blown-in Insulation Installation
Spray Foam Insulation
Basement and Crawl Space Insulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Green Attic Insulation

4.7
(90 reviews)
Verified

Green Attic Insulation is a local, eco-conscious contractor that has built a strong reputation for quality work and excellent customer service. They are particularly adept at navigating local utility rebate programs (like those from LADWP and SoCalGas) to maximize customer savings. They offer a full suite of services, with a focus on creating a tight building envelope through expert air sealing and insulation.

9636 Laurel Canyon Blvd, Pacoima, CA 91331 (Serves Granada Hills)

Specialties & Features

Energy Efficiency Audits
Wall Insulation Services
Blown-in Cellulose Insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Granada Hills

** The insulation market in Granada Hills is competitive and service-oriented, driven by the city's mix of mid-century and newer construction homes. The hot, dry climate of the San Fernando Valley creates a significant demand for effective attic insulation to reduce cooling costs. The average quality of service is high, as contractors must be well-versed in Title 24 energy codes and local rebate programs to remain competitive. **Competition Level:** High. Homeowners have multiple reputable, specialized contractors to choose from, leading to competitive pricing and a strong focus on customer service. **Typical Pricing:** Costs vary significantly based on the project scope and material. * **Attic Insulation (Blown-in Cellulose/Fiberglass):** $1,500 - $4,500 for an average home. * **Spray Foam Insulation:** $3,000 - $7,500+ for an attic, given its superior performance and higher material cost. * **Wall Insulation (Blown-in):** $2,000 - $5,000, depending on the home's size and wall construction. A key factor in the local market is the availability of **utility rebates** from LADWP and SoCalGas, which can substantially offset the cost of insulation and air sealing upgrades. The top providers are highly proficient in helping homeowners apply for and receive these incentives.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Granada Hills regulations and climate

Frequently Asked Questions About Insulation in Granada Hills

Get answers to common questions about insulation services in Granada Hills, California.

1What is the most cost-effective type of insulation for my Granada Hills home, and what is the typical price range?

For our hot, dry San Fernando Valley climate, blown-in fiberglass or cellulose in attics is often the most cost-effective upgrade, typically ranging from $1.50 to $3.50 per square foot installed. Spray foam offers superior air sealing for higher initial cost ($3.00-$7.00/sq ft) but provides exceptional year-round performance against our summer heat and occasional winter chill. Always get a detailed, itemized quote that includes the R-value (recommended R-38 to R-60 for attics here) and a thorough assessment of your home's specific air leakage points.

2When is the best time of year to install or upgrade insulation in Granada Hills?

The ideal time is during our mild spring (March-May) or fall (September-November) seasons. This avoids the intense summer heat in the attic, which can be dangerous for installers and may affect some materials, and also precedes our brief but noticeable winter cool spells. Scheduling during these shoulder seasons often provides better availability from reputable local contractors and allows your HVAC system to operate efficiently before peak temperature demands.

3Are there any local Granada Hills or California-specific rebates or incentives for adding insulation?

Yes. Granada Hills residents should first check the LADWP (Los Angeles Department of Water and Power) Energy Savings Assistance Program and rebate offerings, which often include incentives for attic insulation. Additionally, statewide programs like TECH Clean California and federal tax credits (like the 25C credit) can significantly offset costs for eligible energy-efficient upgrades. A qualified local installer will be knowledgeable about current incentive paperwork and can often help facilitate the application process.

4How do I choose a reliable insulation contractor in the Granada Hills area?

Prioritize contractors licensed, bonded, and insured in California with specific experience in our region's housing styles (e.g., mid-century homes, modern builds). Verify they conduct a pre-inspection energy audit and provide clear explanations of recommended R-values for our climate zone (CZ 10). Check reviews on local platforms like Nextdoor, ask for references from nearby projects, and ensure they handle all necessary permits from the City of Los Angeles Department of Building and Safety, which is crucial for compliance and future home sales.

5My house gets extremely hot in the summer. Will adding attic insulation alone make a significant difference?

In Granada Hills, attic insulation is the single most impactful upgrade for summer heat, but it should be part of a comprehensive approach. Proper attic insulation (R-38 minimum) dramatically reduces radiant heat gain. However, for optimal results, it must be paired with adequate attic ventilation (soffit/ridge vents) to expel hot air and should be inspected alongside your ductwork, which often runs through hot attics here. Sealing air leaks (like around recessed lights) before insulating is also critical to prevent hot air from infiltrating living spaces.