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Top-Rated Insulation pros in Dover - Updated Nov 2026

Avatar for TNT Insulation LLC
TNT Insulation LLC
New to Angi
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Dover, TN and surrounding areas

Approved

In business since 1985

Free estimates

Small jobs welcome

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time2 days
Avatar for Lookout Pest Control- Nashville
Lookout Pest Control- Nashville
5.0(
6
)
Spray Foam Insulation - InstallBlown-In Insulation - Install or Upgrade

Serving Dover, TN and surrounding areas

Approved (Corporate)

In business since 1983

Free estimates

Credit card accepted

For more than 40 years, Lookout Pest Control has been a regionally-recognized provider of general pest, termite, wildlife and encapsulation services in the north Georgia and Chattanooga, TN markets. These 40 years have earned Lookout a reputation of excellence and integrity in the community. Today, Lookout is a growing family of pest control companies throughout the Southeast into AL, SC, NC, and KY -- we're slated to become a top pest control company in the US while maintaining our personal touch, local connections. Lookout is a champion for creating a safe home…we're Always on the Lookout!

Response time11 hrs
Response rate100%
33 neighbors recently requested a quote
Avatar for Seal Tight Spray Foam
Seal Tight Spray Foam
5.0(
8
)
Spray Foam Insulation - Install

Serving Dover, TN and surrounding areas

In business since 2024

Free estimates

Warranties offered

"I cannot speak highly enough of Seal Tight Spray Foam. From the moment I contacted them, I knew I had made the right choice. Their exceptional customer service and professional expertise are unmatched. Mr. Stephen Grande was an absolute pleasure to work with. His knowledge and passion for his craft were evident throughout the entire process. He explained everything clearly and answered all my questions patiently. The team at Seal Tight went above and beyond to ensure my complete satisfaction. The spray foam insulation job they performed on my attic is phenomenal. The difference in my home's comfort level is noticeable immediately. I'm confident in the long-term energy savings I'll experience as well. If you're considering spray foam insulation for your home or business, look no further than Seal Tight Spray Foam. They are a family-owned business that truly cares about their customers and delivers outstanding results. I wholeheartedly recommend them to anyone in need of their services. Thank you, Seal Tight Spray Foam, for a job well done!"
Spray Foam Trailer
Spray Foam Trailer
Spray Foam Insulation
Spray Foam on Ceiling
Stephen

+3

Response time4 hrs
Recommended by42%of homeowners
TriStar Wildlife, LLC
4.6(
26
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Dover, TN and surrounding areas

In business since 2018

Credit card accepted

"Aaron and his team got the attic insulation done on time and exceeded my expectations. He was very polite and professional in all aspects concerning this job. He did everything I asked and even gave me pictures of before and after ... I would recommend Tri-Star Wildlife to anyone ... you won't regret it. He saved me money and did more than what the other company's were asking. Mark Raith"
Response time10 hrs
Recommended by95%of homeowners
Avatar for ADT Solar
ADT Solar
4.4(
111
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Dover, TN and surrounding areas

In business since 2008

Free estimates

Warranties offered

"We met with 3 different companies to advise on getting solar panels. The first 2 companies basically just told us what size system we could get based on state and federal tax rebate levels. Heard an advertisement for Sunpro on radio and decided to call them; turned out to be a good decision. Kara with Sunpro was extremely informative and had a nice package put together for us to review. She even researched our home and had an idea of how much production we could expect with the recommended solar panels. Even after selecting Sunpro, I called Kara with questions about things I'd heard from others or something I forgot to ask. I never felt like I was a burden and she always returned my calls if I had to leave a message. The complete team with Sunoro were professional and eager to help. Satisfied with new solar system and looking forward to enjoying savings on electric bills.
"
11 kW PV Installation
5 kW PV Installation
9.5 kW PV Installation
Recommended by89%of homeowners
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Insulation FAQs, answered by experts

Fiberglass is the best insulation for HVAC ducting because it's inexpensive, widely available, versatile, and long-lasting. Fiberglass also offers acoustic insulation in addition to thermal insulation, which can contribute to a more peaceful home environment. You can use other materials like mineral wool, but fiberglass is the industry standard.

If the temperature outside is around 90 or 100 degrees with the sun beating on your home’s roof, it’s common for the attic temperature to reach 150 degrees or more. This excessive heat shows the importance of having a radiant barrier in place along with insulation. The radiant barrier reflects the heat entering the attic back upward, keeping your home’s temperature more consistent.

Yes, products made from renewable resources and with reduced chemical impacts.

Yes, insulating your cold water pipes is a great way to prevent condensation. When warm, humid air meets cold pipes, condensation forms, which can drip and cause moisture issues in your home. Pipe insulation acts as a barrier between the warm air and the cold pipes, keeping condensation at bay and helping you avoid potential problems like mold or structural damage.

Cellular shades, also known as honeycomb shades, are the most energy-efficient and insulating window treatments. Their honeycomb structure is made of soft fabric that forms layered cell pockets. These pockets trap air, creating a thermal barrier that reduces heat loss in the winter and blocks heat gain in the summer. For even greater insulation, consider double- or triple-cell varieties. Side-tracked cellular shades, which seal the edges of the window frame, can further minimize air leaks and maximize energy efficiency.

The Dover, TN homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.