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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon24
    Verified insulation services reviews

Find Insulation pros in Cornwall

"Dynasty Decking has my vote for best construction team. They are not only honest and trustworthy but kind and understanding. They worked with my budget and troubleshooted with me so that I got the best possible results. I recommend them to all my friends and family. They’re even certified through the state unlike a few of the other people who gave me outrageous quotes."

Marita K on March 2025

Full Service Decking, Insulation and Window company - Decks & Porches -

"Dynasty Decking has my vote for best construction team. They are not only honest and trustworthy but kind and understanding. They worked with my budget and troubleshooted with me so that I got the best possible results. I recommend them to all my friends and family. They’re even certified through the state unlike a few of the other people who gave me outrageous quotes."

Marita K on March 2025


Elevated Spray Foam

1637 County Route 27
No reviews yet

Elevated Spray Foam

1637 County Route 27
No reviews yet
2 years of experience

Business Description: At Elevated Spray Foam, we specialize in transforming homes and businesses into energy-efficient and comfortable spaces. Our mission is to provide top-notch insulation solutions that not only save you money but also contribute to a greener, more sustainable future. Why Choose Us? We stand out in the industry for our commitment to quality, professionalism, and unmatched expertise. With years of experience, our team has mastered the art of insulation, ensuring that every project, big or small, is executed with precision and care. We take pride in being owner-operated, guaranteeing a personalized touch to every job. What We Offer: Expert spray foam insulation services Energy-efficient solutions for residential and commercial properties A dedication to customer satisfaction and long-term energy savings Experience the Elevated difference. Let us elevate your comfort, savings, and environmental responsibility.

Business Description: At Elevated Spray Foam, we specialize in transforming homes and businesses into energy-efficient and comfortable spaces. Our mission is to provide top-notch insulation solutions that not only save you money but also contribute to a greener, more sustainable future. Why Choose Us? We stand out in the industry for our commitment to quality, professionalism, and unmatched expertise. With years of experience, our team has mastered the art of insulation, ensuring that every project, big or small, is executed with precision and care. We take pride in being owner-operated, guaranteeing a personalized touch to every job. What We Offer: Expert spray foam insulation services Energy-efficient solutions for residential and commercial properties A dedication to customer satisfaction and long-term energy savings Experience the Elevated difference. Let us elevate your comfort, savings, and environmental responsibility.


I&B Construction

152 Mudgett Dr
No reviews yet

I&B Construction

152 Mudgett Dr
No reviews yet
Free onsite estimate

Here at I&B construction and handy man services we offer a wide variety of carpentry, painting, pressure washing, maintenance and much more including property maintenance. "From the basement to the roof, we gotcha covered!" We are a small family owned and operated business-husband and wife- that takes pride In everything we do. With a combined experience of over 30 years we offer quality work, a safe work environment and most importantly complete customer satisfaction. "One call will do it all". Call Ian today at 802-696-2125 for your free estimate!

Here at I&B construction and handy man services we offer a wide variety of carpentry, painting, pressure washing, maintenance and much more including property maintenance. "From the basement to the roof, we gotcha covered!" We are a small family owned and operated business-husband and wife- that takes pride In everything we do. With a combined experience of over 30 years we offer quality work, a safe work environment and most importantly complete customer satisfaction. "One call will do it all". Call Ian today at 802-696-2125 for your free estimate!


Twin Spray Insulation

419 Loudon Rd
No reviews yet

Twin Spray Insulation

419 Loudon Rd
No reviews yet
5 years of experience

Spray Foam insulation is the future of insulation. Advantages exist for financial savings, health, building efficiency and greener environment. Discover below how you can benefit from Twin spray foam insulation. Indoor temperatures stay constant, allowing decreased use of heat or air conditioning. This translates to savings on utility bills and extends the life of your heating and cooling equipment by four times. While the initial costs of installation may exceed that of fiberglass insulation, in the long term spray foam is significantly more cost effective. Our business gives free quotes to start making your home or business energy efficient. Spray foam takes building envelope performance to the extreme three ways: First, its high R-Value per inch provides outstanding thermal performance, so it minimizes hot and cold spots that can affect the efficiency and comfort of a building. Second, its rigidity provides added structural integrity to your walls. Third, it acts as a secondary moisture vapor barrier to help reduce the risk of moisture intrusion in the wall cavity. Twin spray insulation will provide you with the best. We are a family owned business with ten plus years of experience.

Spray Foam insulation is the future of insulation. Advantages exist for financial savings, health, building efficiency and greener environment. Discover below how you can benefit from Twin spray foam insulation. Indoor temperatures stay constant, allowing decreased use of heat or air conditioning. This translates to savings on utility bills and extends the life of your heating and cooling equipment by four times. While the initial costs of installation may exceed that of fiberglass insulation, in the long term spray foam is significantly more cost effective. Our business gives free quotes to start making your home or business energy efficient. Spray foam takes building envelope performance to the extreme three ways: First, its high R-Value per inch provides outstanding thermal performance, so it minimizes hot and cold spots that can affect the efficiency and comfort of a building. Second, its rigidity provides added structural integrity to your walls. Third, it acts as a secondary moisture vapor barrier to help reduce the risk of moisture intrusion in the wall cavity. Twin spray insulation will provide you with the best. We are a family owned business with ten plus years of experience.


Ancient Technology Home Service

151 Moulton Ave
No reviews yet

Ancient Technology Home Service

151 Moulton Ave
No reviews yet
12 years of experience

Offering a complete range of services for home improvement, remodeling, renovation, repair and maintenance AND outstanding customer service, skill, experience, reliability and transparency. Services provided include: Painting and Sheetrock - all phases of Interior and Exterior General and Finish Carpentry - from Additions, Decks, and Remodels to small repairs and kitchen/bath installation. Siding, Roofing and Insulation - Slate, Clapboard, Vinyl, Composite, Asphalt, Shake, Shingle, Metal, repairs and replacement.

Offering a complete range of services for home improvement, remodeling, renovation, repair and maintenance AND outstanding customer service, skill, experience, reliability and transparency. Services provided include: Painting and Sheetrock - all phases of Interior and Exterior General and Finish Carpentry - from Additions, Decks, and Remodels to small repairs and kitchen/bath installation. Siding, Roofing and Insulation - Slate, Clapboard, Vinyl, Composite, Asphalt, Shake, Shingle, Metal, repairs and replacement.


Petty Brook Carpenters LLC

36 Gonyeau Rd.
No reviews yet

Petty Brook Carpenters LLC

36 Gonyeau Rd.
No reviews yet
10 years of experience

Petty Brook Carpenters is a small company that usually has 2-4 highly skilled carpenters working during the busy months. Billing can be done by a bid price or and hourly rate depending on what better suits the job.

Petty Brook Carpenters is a small company that usually has 2-4 highly skilled carpenters working during the busy months. Billing can be done by a bid price or and hourly rate depending on what better suits the job.


Avatar for Northern Energy Solutions

Northern Energy Solutions

PO Box 8223
No reviews yet

Northern Energy Solutions

PO Box 8223
No reviews yet
18 years of experience

Northern Energy Solutions is a Burlington, Vermont based company that does work throughout the state. We specialize in residential energy auditing and energy renovations. We have experience working on new homes, 200 year old homes and everything in between. The materials we use are of the highest quality products available on the market today such as closed-cell spray foam insulation. As Home Performance with Energy Star professionals, our projects are held to a higher standard and our customers can receive up to $2000 in rebate money. Owner Adam Cohen started the company with a passion for sustainability and social and environmental responsibility. Adam is from Vermont and is dedicated to help Vermonters save money and live comfortably.

Northern Energy Solutions is a Burlington, Vermont based company that does work throughout the state. We specialize in residential energy auditing and energy renovations. We have experience working on new homes, 200 year old homes and everything in between. The materials we use are of the highest quality products available on the market today such as closed-cell spray foam insulation. As Home Performance with Energy Star professionals, our projects are held to a higher standard and our customers can receive up to $2000 in rebate money. Owner Adam Cohen started the company with a passion for sustainability and social and environmental responsibility. Adam is from Vermont and is dedicated to help Vermonters save money and live comfortably.


Solar Wolf Energy

2.00(
2
)

Solar Wolf Energy

2.00(
2
)
10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!


Morel Construction LLC

P.O. Box 102
3.40(
5
)

Morel Construction LLC

P.O. Box 102
3.40(
5
)
Customers say: Quality work
34 years of experience

We have been in business for 24 years. Currently we have 7 employees. We work with quality sub-contractors that are reliable. We will give you a quote for your project or time and materials. We love what we do!

"Do yourself a big favor and don't hire this firm! Originally, Armand Morel was hired for a big job, over $200,000, but he was fired only part way into demolition. Armand misrepresented the way he would work and was rude to me, and then, after I felt compelled to fire him, he attempted to overcharge me by over $20,600 for the partial demolition he had accomplished to that point. I had to hire a lawyer who advised me to negotiate a settlement, which involved compromises I found difficult to make. My lawyer and I settled for $15,850 on 12/6/23. Armand still got away with thousands more than he should have been paid--plus I had to then pay a legal bill of roughly $2500. Therefore, not including my time, energy, delayed job, and stress, I was out roughly $7250."

JARI C on January 2024

We have been in business for 24 years. Currently we have 7 employees. We work with quality sub-contractors that are reliable. We will give you a quote for your project or time and materials. We love what we do!

"Do yourself a big favor and don't hire this firm! Originally, Armand Morel was hired for a big job, over $200,000, but he was fired only part way into demolition. Armand misrepresented the way he would work and was rude to me, and then, after I felt compelled to fire him, he attempted to overcharge me by over $20,600 for the partial demolition he had accomplished to that point. I had to hire a lawyer who advised me to negotiate a settlement, which involved compromises I found difficult to make. My lawyer and I settled for $15,850 on 12/6/23. Armand still got away with thousands more than he should have been paid--plus I had to then pay a legal bill of roughly $2500. Therefore, not including my time, energy, delayed job, and stress, I was out roughly $7250."

JARI C on January 2024


First Response Labor LLC

516 St Albans Rd
5.00(
1
)

First Response Labor LLC

516 St Albans Rd
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

First Response Labor is locally owned and operated by firefighters. We offer a wide variety of services, Our workmanship is high, while maintaining a low cost. Very reliable with a quick response GUARANTEED!

"We had junk to remove from our basement and around our exterior buildings. The quote was for an hour of labor (2 employees) and a 20 foot dumpster. They hauled away metal, oil, electronics, tires and wood-based items. They arrived right on time and were very pleasant to deal with. They stuck around to give us a quote on fence installation as well."

Michael H on August 2018

First Response Labor is locally owned and operated by firefighters. We offer a wide variety of services, Our workmanship is high, while maintaining a low cost. Very reliable with a quick response GUARANTEED!

"We had junk to remove from our basement and around our exterior buildings. The quote was for an hour of labor (2 employees) and a 20 foot dumpster. They hauled away metal, oil, electronics, tires and wood-based items. They arrived right on time and were very pleasant to deal with. They stuck around to give us a quote on fence installation as well."

Michael H on August 2018

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Insulation questions, answered by experts

Insulating ducts prevent or significantly reduce condensation by reducing temperature differences between the duct surface and surrounding air. Proper insulation also minimizes sweating, improves energy efficiency, and prevents moisture damage. However, if humidity levels are unusually high or there are air leaks, additional measures like sealing ducts and using a dehumidifier may be needed.

Minimal, mainly occasional checks for damage or mold in extreme conditions.

At a minimum, blown-in insulation lasts 20 to 30 years. Cellulose and sheep’s wool come from natural materials, so they likely max out at around 30 years. Fiberglass and rockwool feature artificial materials that boast lengthy lifespans, up to 50 years, or even longer in some cases. As always, this timeline assumes you don’t run into any issues, such as flooding or mold, that shorten the lifespan.

When installed correctly, radiant barriers can have a life span of anywhere from 80 to 100 years—which, in some cases, is more than certain roofs. While most homeowners who have them installed don’t start to notice any issues for one or several decades, you can ensure no problems pop up by semi-regularly removing dust from reflective sides.

Bathroom wall insulation not only keeps the area temperate, but it also reduces instances of mold, mildew, and rot. Bathrooms, after all, are havens for moisture. With this in mind, it’s absolutely worth it to insulate bathroom walls since it saves money in the long run. You won’t have to hire a pricey mold remediation service down the line. Also, insulation decreases outdoor noise and lowers energy costs.

The Cornwall, VT homeowners’ guide to insulation services

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