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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Q: Is doubling up insulation a good idea?

• <div><p>Doubling the insulation in your home also doubles the R-value of said insulation. In other words, by adding more insulation, you can reduce the heat loss by half. Most homes benefit from increasing insulation. Older homes, in particular tend to have less insulation as is, so doubling your insulation could drastically reduce your energy bills, keep your home more comfortable, and take the strain off your HVAC system.</p></div>

Q: How long does it typically take to install attic insulation?

• <div><p>It is generally completed in a day, depending on the attic size and access difficulty.</p></div>

Q: Do cold walls mean poor insulation?

• <div><p>Yes, cold walls are a common indicator of poor or inadequate insulation, especially if the walls feel significantly colder than the air in the room. This suggests that heat from your furnace is escaping rather than being retained. The issue could be that the walls have no insulation, or that the existing insulation is old or has been damaged by water, moisture, or pests. Your best course of action is to hire a professional to investigate. An insulation contractor can determine if you need to add or replace insulation and can often perform the work without creating large holes in your drywall. If you suspect the problem might also be related to your heating system's performance, an HVAC technician can take a closer look.</p></div>

Q: Do you need to insulate your basement?

• <div><p>Depending on where you live and the conditions of your basement, you may not need to insulate your basement. Your best bet is to talk to a basement remodeling company to find out what they recommend doing.</p><p>Insulating your basement can help improve your home's energy efficiency, but it will also increase the cost of your basement remodel project. The average cost of installing <a href="https://www.angi.com/articles/basement-insulation-options-and-costs.htm">basement insulation</a> is <b>$2,400</b>.</p></div>

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Verified Reviews for Doorbell Installation pros in Ponderosa, NM

*The Angi rating for Doorbell Installation companies in Ponderosa, NM 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 Ponderosa, NM 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 July 20, 2026

Reviewed in July 2026
Did a great job on my floor and my mother's! Thank you!
ARTISTIC CONSTRUCTION LLC
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Reviewed in July 2025
Okay, here's a great review for the flooring installer: "I am absolutely thrilled with the wood floors installed in my house by this installer! From start to finish, the experience was top-notch. The quality of work is outstanding – the floors look beautiful, and you can tell they were...
Imperial Dezign of NM LLC
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Reviewed in February 2024
Very professional and great work. Have used many times for many things! Highly recommend.
Dorsett Home Services
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Reviewed in May 2023
I love that he takes pride in his work and explains what has been done to resolve my house problems. He has high integrity. I trust him to work on my house, even when I am away.
David Reano
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Reviewed in December 2021
The job was done fast and the workers did a great job, I am very satisfied.
SSTTLER
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Reviewed in December 2021
went well with no issues, from Ray the estimator to James and his people. On time and well prepared. would hire them again.
ENCHANTMENT LANDSCAPES INC
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Reviewed in March 2021
Price was reasonable, handled the inevitable issues fine. The paint job on our second bathroom cabinet made it look like new. Workmanship was excellent.
Schueller Homes LLC
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Reviewed in December 2020
The work was very prompt, fast, clean job. went above and beyond. He talked through all the cost of the part and labor.
Water Rite
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Reviewed in January 2016
The mirror fell off the windshield less than 8 months later. Lomas refused to replace this defective or improperly installed windshield. Instead, they lied, saying it was "impossible" that they were at fault and tried to blame the customer, making a number of false allegations and insults. ...
Lomas Glass and Tint
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Reviewed in January 2014
An old non-working, in-wall furnace was removed and a new one installed during a very cold spell. This was for a family whose home burned to the ground and had no heat. MCS gave a wonderful quote, had a top-notch crew there in two days and it was installed and working that day. It was a great...
Mechanical Control Solutions, LLC
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Doorbell Installation questions, answered by experts

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.

Doubling the insulation in your home also doubles the R-value of said insulation. In other words, by adding more insulation, you can reduce the heat loss by half. Most homes benefit from increasing insulation. Older homes, in particular tend to have less insulation as is, so doubling your insulation could drastically reduce your energy bills, keep your home more comfortable, and take the strain off your HVAC system.

It is generally completed in a day, depending on the attic size and access difficulty.

Yes, cold walls are a common indicator of poor or inadequate insulation, especially if the walls feel significantly colder than the air in the room. This suggests that heat from your furnace is escaping rather than being retained. The issue could be that the walls have no insulation, or that the existing insulation is old or has been damaged by water, moisture, or pests. Your best course of action is to hire a professional to investigate. An insulation contractor can determine if you need to add or replace insulation and can often perform the work without creating large holes in your drywall. If you suspect the problem might also be related to your heating system's performance, an HVAC technician can take a closer look.

Depending on where you live and the conditions of your basement, you may not need to insulate your basement. Your best bet is to talk to a basement remodeling company to find out what they recommend doing.

Insulating your basement can help improve your home's energy efficiency, but it will also increase the cost of your basement remodel project. The average cost of installing basement insulation is $2,400.

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