What is the downside of radiant barriers?

• <div><p>The primary downside of radiant barriers is their limited effectiveness in cold climates. They are designed to reflect radiant heat, making them less beneficial in cooler conditions where heat retention is more important. </p><p>Radiant barriers require proper installation to maximize effectiveness. Incorrect placement can lead to minimal benefits. They also do not provide insulation, meaning they should be used in conjunction with traditional insulation for optimal energy efficiency. </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>

Does basement insulation need a vapor barrier?

• <div><p>Yes, basement insulation needs a vapor barrier due to its susceptibility to moisture seeping in from the outside of the house. You should install a moisture barrier before you <a href="https://www.angi.com/articles/how-to-install-insulation.htm">install insulation</a> or purchase insulation that comes prebuilt with a moisture barrier to avoid water damage in your insulation and costly mold and water remediation expenses. </p><p> </p></div>

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Last update on August 07, 2026

Reviewed in August 2026
Whatever you do do NOT hire this company I got my central air and heating installed by them and my house is still hot I?ve called multiple times to complain they sent ?technicians? to see why it?s not cooling one guy puts a thermometer in the vent and says everything is working and leaves...
RighTime Home Services Riverside
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Reviewed in June 2025
Larry and his boys painted my kitchen and Tiled my backsplash and floors. They even installed my new appliances. I am thrilled with my new kitchen. Excellent craftsmanship.
Service On The GO
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Reviewed in January 2022
the team that came was quick and very good removing the old fence and cleaning up before installing the new one.
Advanced Fence
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Reviewed in September 2021
Was not given an accurate quote for the work I wanted done. After speaking with them to iron out the problem, they were still not clear. I wanted additional work done but never received a quote. They Showed up and did not install light fixture in kitchen properly. It is unlevel. They missed...
EOS Electric, LLC
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Reviewed in December 2020
Painted inside of home and installed ceiling fans
Andrade Painting & Decorating
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Reviewed in February 2019
If you need electrical work done go with H.V. Electric! Gary is a super nice guy and very easy to work with. His estimate was fair and his work was top notch. He installed a 240V outlet and an electric car charger for me and it came out looking great. I'm a dummy when it comes to...
HVELECTIC
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Reviewed in November 2017
They were prompt. Informative. Did what they came to do and in a businesslike manner. The installed product looks good and while it hasn't been used a whole lot, yet, due to weather conditions being pretty nice right now, seems to work very nicely.
Sears Roofing
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Reviewed in October 2016
Chris was very friendly and professional. He installed a sprinkler system and 2,600 sq ft of sod in our backyard. He finished in a timely manner and even repaired some pipes he found that were broken from our existing drip system. I was so happy with the work that I hired his company to perform...
Chris Easley
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Reviewed in August 2015
Called from work to schedule inspection/ estimate around july 20th. Before I even got home Ralph already visited the house, inspected and drew up a contract/estimate. (Home is about 1200 square feet) Cost was $6000 for job, 50% down payment, balance to be paid off in full on completion. Work...
R SANCHEZ ROOFING
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Reviewed in November 2014
This was a great experience. B&R Finish Inc. provided a prompt written estimate of the work, and the project was completed within a week. My new doors were installed and look great. The guys made sure my exterior security screen was rehung correctly. Great Job.
B & R Finish, Inc.
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Doorbell Installation questions, answered by experts

The primary downside of radiant barriers is their limited effectiveness in cold climates. They are designed to reflect radiant heat, making them less beneficial in cooler conditions where heat retention is more important.

Radiant barriers require proper installation to maximize effectiveness. Incorrect placement can lead to minimal benefits. They also do not provide insulation, meaning they should be used in conjunction with traditional insulation for optimal energy efficiency.

Upgrading insulation offers several benefits, including improved energy efficiency, which leads to lower heating and cooling costs. It also enhances indoor comfort by regulating temperature and can provide noise reduction. Additionally, better insulation has a reduced environmental impact and can increase your home's value and overall livability.

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.

The cost to install or upgrade insulation generally ranges from $1.50 to $4.00 per square foot. The final price depends on factors such as the type of insulation chosen, the total area to be covered (home size), and local labor costs.

Yes, basement insulation needs a vapor barrier due to its susceptibility to moisture seeping in from the outside of the house. You should install a moisture barrier before you install insulation or purchase insulation that comes prebuilt with a moisture barrier to avoid water damage in your insulation and costly mold and water remediation expenses.

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