*The Angi rating for Insulation Service companies in Hanover, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Hanover, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on August 29, 2026
Serving Hanover, MI and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Warranties offered
"Excellent job to spray insulate the existing attic. We have noticed a difference already."
Serving Hanover, MI and surrounding areas
Approved
In business since 2010
Free estimates
Credit card accepted
"Very thorough at every stage. Great professional company. Happy with the insulation work."
Serving Hanover, MI and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"Knowledgeable about more than insulation. Air quality, ventilation, air leaks, baffles, mold."
+20
Serving Hanover, MI and surrounding areas
Approved
In business since 1994
Free estimates
Small jobs welcome
"Did the job efficiently and cleaned up afterwards. Did have to come back out to finish up the work, but was prompt in doing so. Had a cold spell right after and the house was noticeably warmer."
Serving Hanover, MI and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"They were very efficient and didn't try to pressure me into other products/services. The low pressure thing is important to me. I fully intend to use them for work later on."
+33
Serving Hanover, MI and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"Great work, very personable, professional, courteous, and reasonably priced. Received blow in insulation for garage and entire attic in house… they hammered it out, did a quality job, and work very hard."
+6
Serving Hanover, MI and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Found problem right away and fixed efficiently. We had a leak around vents & they fixed and checked the rest of the roof for other issues"
Serving Hanover, MI and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"The work they did was fine, but the marketing department needs to chill out. I tried multiple times to unsubscribe from their emails and phone calls, but they just kept coming. I finally had to block them. I ordered gutters without any filter because the only option they offer is the comically huge gutter helmet. I later installed leaf filters myself."
+336
Serving Hanover, MI and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"Friendly and professional company. Explained alot about what they were doing, cause I really didn't know anything about insulation and ventilation."
Serving Hanover, MI and surrounding areas
In business since 2012
Free estimates
Credit card accepted
"Bill from WBI was the first to contact us and the first to give us a quote on the insulating of the attic and crawl spaces of our old farmhouse. The price was very fair for the professional quality of work we received. Bill is a very honest, competent, hard-working professional. He got the job done very quickly, and we are beyond pleased with the work he did for us. We can't say enough good things about WBI, and we highly recommend them!"
+29
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