Is a radiant barrier better than insulation?

• <div><p>Radiant barriers and insulation serve different purposes, so one is not inherently better than the other. Radiant barriers reflect radiant heat, helping keep spaces cool, especially in hot climates, while insulation slows heat transfer through conduction. For optimal energy efficiency, it’s best to use both together. </p><p>Radiant barriers can enhance the performance of insulation by preventing heat gain in the summer and heat loss in the winter. The choice between them depends on specific climate conditions and the building’s design requirements.</p></div>

Should I remove old attic insulation before adding new?

• <div><p>Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation: </p><ul><li><p>If the insulation is over 15 years old</p></li><li><p>If the insulation is wet or moldy</p></li><li><p>If it is <a href="https://www.angi.com/articles/what-is-vermiculite-insulation.htm">vermiculite insulation</a></p></li><li><p>If you see signs of pest infestation</p></li></ul><p>Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.</p></div>

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Verified Reviews for Doorbell Installation pros in Barnet, VT

*The Angi rating for Doorbell Installation companies in Barnet, VT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Doorbell Installation needs.

*The HomeAdvisor rating for Doorbell Installation companies in Barnet, VT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Doorbell Installation needs.

Last update on August 20, 2025

Reviewed in August 2025
Doug installed windows in our rental house. He also blew in insulation. He did a very good job.
Doug Hodge Company
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Reviewed in April 2025
Wonderful crew! Jeff, Ray, Wendy, Dave, Casey, Josh, Tony, Rich, Don, Francois, Nick, and the whole crew, thank you so much. They are experts in their field, personable, and professional. I worked in contracting for 32 years, so I am a tough customer, and these folks far exceeded my...
N A Manosh Corp
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Reviewed in March 2025
He was very thorough job, my chimneys are in perfect working order. As well as my wood stoves. He went above and beyond to help me get them installed. Very accommodating to our needs. He also drafted plans for future projects that were thought out and very precise.
Apex Chimney Repairs, LLC
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Reviewed in December 2023
the workers were accurate with the instalation ...using a level, made sure all the siding peices were straight.
Capital Construction Contracting North
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Reviewed in August 2023
The folks at Jay Mechanical were amazing! We got our quote quickly and within 3 days they were at the house installing our new hot water tank. The technicians were courteous and very considerate - even putting down drop cloths so no dirt would be on the floors. Their pricing was very fair and...
Jay Mechanical, Inc.
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Reviewed in July 2022
Windows were pricey but the high quality of work/installation helped to balance the overall cost. The installation expert was courteous, knowledgeable and professional. I would and will recommend him in the future.
View of Vermont Windows & Roofing
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Reviewed in November 2021
Daniel quickly diagnosed the problem with my defunct garage door opener, and an hour and a half later I had a newly installed opener, programmed for my garage and my cars. One visit from Daniel was all that was required. Daniel is a find here in rural Vermont!
Address Keepers
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Reviewed in March 2021
Installation was professional and clean. They arrived early in the morning and were finished by lunch, the best part was there was no trash left around the house like other contractors after finishing a job. Side note, don't opt out of gutter covers, saves you a lot of hassle down the road just...
Snj Seamless Gutters
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Reviewed in February 2020
I find Robert to be very trustworthy and his work is exemplary. He installed flooring while I was away and I left my keys with him. He assembled furniture, provided grounds work, and seems willing to help with anything I require.
Robert Rathbone Handyman
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Reviewed in October 2019
Hired them thru Home Advisor, they quoted the job, I accepted the quote, they gave me an install date and showed up as scheduled and did a fantastic job. Neat, clean, and complete!
SNJ Seamless Gutters
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Doorbell Installation questions, answered by experts

Ductwork should be wrapped in insulation in certain locations. This includes unconditioned interior parts of the home, such as attics, crawl spaces, basement ceilings, and between floors. Duct joints should also be insulated since they're more likely to leak air than other parts of your system. Building codes in some areas also require ductwork to be insulated.

Radiant barriers and insulation serve different purposes, so one is not inherently better than the other. Radiant barriers reflect radiant heat, helping keep spaces cool, especially in hot climates, while insulation slows heat transfer through conduction. For optimal energy efficiency, it’s best to use both together.

Radiant barriers can enhance the performance of insulation by preventing heat gain in the summer and heat loss in the winter. The choice between them depends on specific climate conditions and the building’s design requirements.

The cost to install a radiant barrier ranges from $700 to $2,800, depending on the size of your roof and the type you choose. Most people pay an average of $1,700 to install a radiant barrier. Foil options, both single- and double-sided, cost between $0.10 and $0.90 per square foot, while spray-on options start at $0.60 and go all the way up to $1 per square foot—which can add up quickly.

Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation:

If the insulation is over 15 years old
If the insulation is wet or moldy
If it is vermiculite insulation
If you see signs of pest infestation

Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.

Improves water efficiency, reduces oversight, and enhances landscape health.

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