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Q: Is R13 or R30 insulation better?

• <div><p>R-30 insulation is better for higher thermal resistance, but whether it&rsquo;s &quot;better&quot; depends on the application. R-30 is much thicker and suited for areas like attics or floors in cold climates, where more insulation is required. R-13, on the other hand, is thinner and works well for 2x4 walls or milder climates where less insulation is sufficient. Choosing between R-13 and R-30 depends on the area being insulated and the climate. For example, R-30 provides more insulation but may not fit everywhere in your home.</p></div>

Q: How do I know if my crawl space needs insulation?

• <div><p>Three signs that you need crawl space insulation are drafts, high energy bills, and mold. Drafts can start in crawl spaces and cause hot or cold air to spread to the rest of your home through holes in the floors and walls. And even if your entire home is well-insulated, you can still feel an unchecked draft from your crawl space and in your utility bill. Uninsulated crawl spaces can let in air and moisture, and because they&rsquo;re built directly on the ground and difficult to dry out, they are hotspots for mold and mildew.</p></div>

Q: What is the best insulation for HVAC ducting?

• <div><p>Fiberglass is the best insulation for HVAC ducting because it's inexpensive, widely available, versatile, and long-lasting. Fiberglass also offers acoustic insulation in addition to thermal insulation, which can contribute to a more peaceful home environment. You can use other materials like mineral wool, but fiberglass is the industry standard. </p></div>

Q: How long does duct insulation last and when should it be replaced?

• <div><p>Air duct insulation typically lasts for 10 to 15 years or even longer, depending on the material and maintenance. It's important to conduct periodic inspections to check for signs of deterioration, such as water damage, tears, or general wear. If you find any of these issues, it may be time for repairs or a full replacement. You might also consider upgrading your insulation even if it's in good shape to improve your home's energy efficiency and enhance your HVAC system's performance with newer, more effective materials.</p></div>

Q: How long does open-cell foam last?

• <div><p>Open-cell foam insulation has a life span ranging between 15 to 25 years when well cared for. However, the material may degrade sooner in areas with high humidity or after prolonged water exposure. Proper installation and maintenance can maximize its longevity but requires close monitoring. Closed-cell foam insulation has a longer life span of 30 to 50 years.</p></div>

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Verified Reviews for Doorbell Installation pros in Marshall, MN

*The Angi rating for Doorbell Installation companies in Marshall, MN 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 Marshall, MN 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 15, 2026

Reviewed in July 2026
Erdmann Construction replaced our vinyl siding after it was damaged in a hail storm. Matt did a wonderful job of installing the siding in a timely fashion and the completed project looks amazing and professionally done. We would highly recommend Erdmann Construction for any future construction...
Erdmann Construction LLC
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Reviewed in November 2017
The folks from Lifetime Shingles did an excellent job. They got the work done in a timely fashion as promised and all installation was done with top notch professionalism. Their personnel have also been very helpful in completing warranty registration and completion of the paperwork required to...
Lifetime Shingles LLC
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Reviewed in April 2015
Rob Dunham, Owner of All-Star Basements, that performed work in my home specified under a design draw-up and pricing estimate from his previous employer, American Waterworks sump-pump company, as if they were executing the project. He never disclosed he was no longer with American Waterworks and...
All-Star Basements
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Reviewed in January 2015
I had an estimate from another plumber for the same job for $4500. while EZ was $1905. They came when they said, got right to work and did a clean, nice job and took away the old tank heater. I called them back to do the cleaning on my other tankless water heater and install a remote control...
EZ Plumbing Service
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Reviewed in July 2014
The whole experience with Distinctive Stone went seamlessly! <br /> <br /> First, I needed to choose a stone. The office manager reviewed many, many options at their varying prices. It was a long process, and she was helpful, kind, and patient while I reviewed my options. I wanted a light...
DISTINCTIVE STONE INTERIORS
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Reviewed in April 2013
Two of the three doors installed OK. The door requiring widening was a mess. Foam filler spilled onto new door and onto carpet. New frame created but the 45 degree angles did not match up. Scratches on door. Appears the door was a difficult install, but maybe frustration got in the way of...
Kesteloot Contruction Inc
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Reviewed in November 2012
Matt Coequyt, Owner, id all the work himself and recommended better solutions for our bathroom. Cleaned up after the job - made the replacement shower better than the previous. Matt corrected previous errors in installation (unlevel floor) that caused problems with the existing shower. Matt...
Coequyt Plumbing & Heating
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Doorbell Installation questions, answered by experts

R-30 insulation is better for higher thermal resistance, but whether it’s "better" depends on the application. R-30 is much thicker and suited for areas like attics or floors in cold climates, where more insulation is required. R-13, on the other hand, is thinner and works well for 2x4 walls or milder climates where less insulation is sufficient. Choosing between R-13 and R-30 depends on the area being insulated and the climate. For example, R-30 provides more insulation but may not fit everywhere in your home.

Three signs that you need crawl space insulation are drafts, high energy bills, and mold. Drafts can start in crawl spaces and cause hot or cold air to spread to the rest of your home through holes in the floors and walls. And even if your entire home is well-insulated, you can still feel an unchecked draft from your crawl space and in your utility bill. Uninsulated crawl spaces can let in air and moisture, and because they’re built directly on the ground and difficult to dry out, they are hotspots for mold and mildew.

Fiberglass is the best insulation for HVAC ducting because it's inexpensive, widely available, versatile, and long-lasting. Fiberglass also offers acoustic insulation in addition to thermal insulation, which can contribute to a more peaceful home environment. You can use other materials like mineral wool, but fiberglass is the industry standard.

Air duct insulation typically lasts for 10 to 15 years or even longer, depending on the material and maintenance. It's important to conduct periodic inspections to check for signs of deterioration, such as water damage, tears, or general wear. If you find any of these issues, it may be time for repairs or a full replacement. You might also consider upgrading your insulation even if it's in good shape to improve your home's energy efficiency and enhance your HVAC system's performance with newer, more effective materials.

Open-cell foam insulation has a life span ranging between 15 to 25 years when well cared for. However, the material may degrade sooner in areas with high humidity or after prolonged water exposure. Proper installation and maintenance can maximize its longevity but requires close monitoring. Closed-cell foam insulation has a longer life span of 30 to 50 years.

The Marshall, MN homeowners’ guide to doorbell installation services

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

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