Should I remove old attic insulation before adding new?

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

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Verified Reviews for Doorbell Installation pros in Florence, NY

*The Angi rating for Doorbell Installation companies in Florence, NY 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 Florence, NY 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 March 18, 2025

Reviewed in March 2025
Josh took care of everything. He was very good at explaining to me what needed to be done. I was having grounding issues and was told by another electrician that I needed to get a new electrical panel and quoted $4,000 to solve that problem. Josh came in, looked everything over and solved the...
Meticulous Electric
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Reviewed in November 2024
I had a new sliding glass door, to replace the very worn old one, for the second service that I used NY Sash for. Once again their customer service, excellent communication, friendly and helpful staff and attention to detail in terms of installation and making sure that the customer...
New York Sash
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Reviewed in September 2024
Professional, courteous, knowledgeable, prompt and the quality of their work was top notch. From the initial contact through final installation, the entire process went smoothly.
Hurricane Home Solutions, Inc.
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Reviewed in August 2024
The wait list to get new windows installed is really long but worth the wait! I had windows rotting out of my house, they came in and and installed 11 windows in 2 days with 1 installer, he did a great job, a couple of the windows are kind of hard to lock but I could be doing something wrong.
Window World of Syracuse
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Reviewed in February 2023
Hiring Josh at Bateman's Electric was one of the best life/business choices I've made in some time. From beginning to end, Josh was, punctual, upfront, honest and informative with cost and the logistics of the process of upgrading my electric service. He handled everything from contacting...
BATEMAN'S ELECTRIC
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Reviewed in May 2022
It went great. Installed a few outlets for me and redid my floor outside by the pool.
His and Her Flooring & Electric
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Reviewed in April 2022
Hiring Josh at Bateman's Electric was one of the best life/business choices I've made in some time. From beginning to end, Josh was, punctual, upfront, honest and informative with cost and the logistics of the process of upgrading my electric service. He handled everything from contacting...
Bateman's Electric
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Reviewed in January 2022
Very satisfied with our laminate flooring installation. Arrived as stated with a 10 minute call ahead of arrival. Very courteous, knowledgeable and caring about his job. Clean up on a continual basis as work continued. Would highly recommend him for your laminate floor installation.
Siverio Services
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Reviewed in November 2020
he was able to install all the light fixtures that were need. Also, installed covers to most of the outlets and switches. All for a reasonable price.
Guardian Electric
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Reviewed in February 2020
Perfectly. Great craftsmanship and we were very pleased with the outcome. Will be calling this spring for window installations. Very hard worker.
HBS Unlimited, LLC
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Top-Rated Doorbell installation pros in Florence - Updated Nov 2026

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Doorbell Installation FAQs, answered by experts

The time required for insulation installation can range from a few hours to a few days, with most projects taking 1-3 days to complete. The final duration depends on the project's size and complexity, the area size, and the type of insulation being installed.

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.

When installing board and batten siding, make sure there is wall sheathing and a moisture-resistant barrier installed. Behind that sheathing should be plywood or OSB for you to nail the boards and battens into. If there isn’t plywood or OSB, you can install vertical furring strips at 1½- to 2-foot intervals to nail the boards and battens to.

Yes, you can install insulation over ductwork, and doing so can save you money. Without insulation, the HVAC unit must work harder to force warm or cool air around the home, and once the air reaches the vent, it may not be the correct temperature. Insulating HVAC ducts makes your system work more efficiently, saving you money on heating and cooling bills.

Yes, including recycled denim and cellulose from natural fibers.

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