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Great experience! Very friendly and professional. They were on time, stuck to their quote and work timeline and have done a great job with two projects for me. I would definitely recommend.

Fast, efficient and great price! Didn’t even notice them insulating our attic and making a big difference already! Would highly recommend for anyone that wants to cut down on their energy bill!!

The Nealon team was professional and considerate of my property. I noticed a 200-kilo watt decrease in my electric bill along with an additional savings in oil consumption of 50 gallons. No more drafty cellars and so far, the mice have gone elsewhere.
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Trusted Insulation Experts Serving Clinton, Old Saybrook & Guilford Homes and Businesses Since 1977
How It %bWorksb%
Simple Steps to a More Comfortable, Energy-Efficient Space
Building science is complicated. Our estimators don't just tell you what we'll do, they explain why we're doing it.
We work with your timeline and availability. We typically schedule 2 - 4 weeks out
You will have a dedicated project lead and project manager who will walk you through every step of the process
Your home becomes your comfort zone, as you stop dealing with drafty rooms, inconsistent temperatures, and high energy bills.
Frequently Asked Questions?
How thick does cellulose insulation need to be?
In Connecticut, cellulose insulation should be a minimum of 10–11 inches thick to meet the building code requirement of R-38 and 14 inches thick for R-49, which is recommended for better efficiency and comfort. Always measure thickness after settling and check local codes for specific requirements.
Can cellulose be used in ceilings or floors?
Yes, cellulose can be used effectively in both ceilings and floors as an insulation material.
Does cellulose attract mice since it’s made of paper?
Cellulose insulation does not attract mice despite being made of paper because it is treated with borates, which act as a pest deterrent. While no insulation is completely rodent-proof, the chemicals used in cellulose make it less appealing for nesting compared to untreated materials.
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