The 10 Best Insulation Contractors in Napa, CA (with Free Estimates)

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Find an insulation contractor near Napa, CA

Top 10 insulation contractors near Napa, CA

These are the top 10 pros for your job.

Johnson’s Insulation

Excellent 4.9

(280)

Excellent 4.9

(280)

403 hires on Thumbtack
3 similar jobs done near you

Online now

Elisha P. says, "Very nice and professional. Better materials and knowledge of the work than other contractors. A pleasure to work with."See more

EM Energy&Air

Excellent 4.9

(114)

Excellent 4.9

(114)

72 hires on Thumbtack
Serves Napa, CA

Online now

Kelly R. says, "We have scheduled them for significant ducting repairs and attic insulation."See more

Attic Efficiency

Great 4.7

(25)

Great 4.7

(25)

19 hires on Thumbtack
Serves Napa, CA

Online now

Cindy F. says, "The quality of their insulation work exceeded my expectations."See more

Good insulation doesn't just regulate your home's temperature! It can help reduce your energy bills, protect your home against pests, reduces outside noises, and can even lower your carbon footprint.

USA Spray Me Spray Foam Insulation Contractor

Great 4.8

(35)

Great 4.8

(35)

1 hire on Thumbtack
Serves Napa, CA

denkorea says, "Highly recommend for anyone in need of quality insulation services!"See more

Evergreen Attic Insulation

Great 4.8

(53)

Great 4.8

(53)

8 hires on Thumbtack
Serves Napa, CA

Lygia W. says, "Evergreen Attic Insulation exceeded our expectations! We received service that was efficient, courteous and of quality."See more

Attic Pros Inc

Great 4.8

(121)

Great 4.8

(121)

77 hires on Thumbtack
Serves Napa, CA

Online now

Bobby H. says, "Recommend to anyone looking for quality work. We are 100% satisfied with 5 stars"See more

Brandon’s attic rodent control

Exceptional 5.0

(38)

Exceptional 5.0

(38)

22 hires on Thumbtack
Serves Napa, CA

Rebecca O. says, "They cleaned and replaced insulation, and sealed up gaps, then set traps (which he will be checking after two weeks)."See more

Attic Crew

Great 4.7

(10)

Great 4.7

(10)

Serves Napa, CA

Founded in 2008, Attic Crew began as a family-owned business dedicated to improving home comfort, efficiency, and safety. What started as a small, local operation has grown into one of the Bay Area’s most trusted providers of attic and crawl space solutions. Today we have over 1000 reviews from happy customers in Google and yelp , We specialize in attic insulation, crawl space insulation, HVAC and air duct installation, attic cleanup, rodent-proofing, radiant barriers, and more. Our services have evolved to meet the needs of modern homeowners, ensuring energy efficiency, healthier living spaces, and long-term protection for your home. What sets Attic Crew apart is our unwavering commitment to quality, professionalism, and personalized service. We take pride in delivering tailored solutions that make homes safer, more comfortable, and energy-efficient. Thanks to word-of-mouth referrals and a loyal customer base, we’ve built a reputation for excellence. Serving homeowners from San Jose to San Francisco, including Marin County and the entire Bay Area, we remain dedicated to the core values that have guided us from the beginning—integrity, innovation, and exceptional service. With Attic Crew, your home is in expert hands.See more

Finest Heating & Air

Exceptional 5.0

(39)

Exceptional 5.0

(39)

Serves Napa, CA

dana ovadya says, "Really enjoy working with this company. We have the annual maintenance plan and its great for keeping up with our heating unit and central air. Dan is a great technician and very professional. Highly recommend."See more

5.0

(1)

5.0

(1)

1 hire on Thumbtack
Serves Napa, CA

Kevin R. says, "We were rebuilding our house after the Tubbs fire, contacted Ace for an estimate, with the great quote we got back we ended up using them for three buildings, they went the extra mile and got everything done quick and cleaned up after themselves expertly."See more

Reviews for Napa insulation contractors

Jacqueline R.

He came out to view the insulation project, said he would prepare a quote, and never heard from him again.

Johnson’s Insulation

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Top 10 insulation contractors near Napa, CA

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