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Blown in insulation install or upgrade pros in Boulder

Eray Mechanical Insulators, Inc.
PO Box 912
5.00(
3
)
Approved Pro
Eray Mechanical Insulators, Inc.
PO Box 912
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

At Eray Mechanical Insulators, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts, and will always keep you educated about the work process. We look forward to earning your business!

"They were great. We will use them again."

Tom E on February 2019

At Eray Mechanical Insulators, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts, and will always keep you educated about the work process. We look forward to earning your business!

"They were great. We will use them again."

Tom E on February 2019


Avatar for Guardian Home Energy
Guardian Home Energy
8932 West 81st Lane
4.67(
66
)
Approved Pro
Guardian Home Energy
8932 West 81st Lane
4.67(
66
)
Approved Pro
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
26 local quotes requested

Guardian Insulation is a fully licensed, bonded and insured insulation and acoustical contractor specializing in blown insulation for single family residences. Our managing partners are experts in energy efficiency and thermal resistance combining not only a Bachelor's Degree in Environmental Science from UC Berkeley but over 25 years on site experience with residential home insulation. We have over 100 satisfied customers in the and Colorado areas, many of whom would be happy to speak to you and attest to the quality of our work.

"Had cracks sealed and rockwool installed in crawl space. Went great and I already notice a difference during summer. Can't wait to see the effect in winter."

Ryan L on August 2024

Guardian Insulation is a fully licensed, bonded and insured insulation and acoustical contractor specializing in blown insulation for single family residences. Our managing partners are experts in energy efficiency and thermal resistance combining not only a Bachelor's Degree in Environmental Science from UC Berkeley but over 25 years on site experience with residential home insulation. We have over 100 satisfied customers in the and Colorado areas, many of whom would be happy to speak to you and attest to the quality of our work.

"Had cracks sealed and rockwool installed in crawl space. Went great and I already notice a difference during summer. Can't wait to see the effect in winter."

Ryan L on August 2024


A Quality Insulation Company
PO Box 1803
4.96(
14
)
Approved Pro
A Quality Insulation Company
PO Box 1803
4.96(
14
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
24 years of experience

David Fairbanks has become a staple of professionalism and quality work in insulation for years. With 30 plus years of experience, there is no job too small or too complex for our crew. Call today to schedule an appointment!

"They did a good job and everything was one in a timely manner"

Kacey R on July 2023

David Fairbanks has become a staple of professionalism and quality work in insulation for years. With 30 plus years of experience, there is no job too small or too complex for our crew. Call today to schedule an appointment!

"They did a good job and everything was one in a timely manner"

Kacey R on July 2023


Avatar for USA Insulation Boulder-Fort Collins
USA Insulation Boulder-Fort Collins
3989 South Valley Drive, Unit B
5.00(
1
)
Approved Pro
USA Insulation Boulder-Fort Collins
3989 South Valley Drive, Unit B
5.00(
1
)
Approved Pro
16 local quotes requested
2 years of experience

USA Insulation provides whole-home insulation solutions nationwide with our proprietary USA Premium Foam Insulation. Our injection foam provides incredible benefits by creating a solid barrier between your home and the outside environment.

USA Insulation provides whole-home insulation solutions nationwide with our proprietary USA Premium Foam Insulation. Our injection foam provides incredible benefits by creating a solid barrier between your home and the outside environment.


Avatar for Energy Saver Insulation LLC
Energy Saver Insulation LLC
1664 Windler St
4.77(
48
)
Approved Pro
Energy Saver Insulation LLC
1664 Windler St
4.77(
48
)
Approved Pro
Customers say: Quick response
7 years of experience
Free onsite estimate

Welcome to Energy Saver Insulation, we have over 26 years of experience! Proudly servicing all of the greater Denver area! Owner and operator, Felipe, takes great pride in his professionalism and customer satisfaction. For fast, reliable, and efficient service give us a call today! You will not be disappointed.

"The company did a great job in my home. The customer service was great, they kept me updated through the whole process. Manuel was very professional and his crews got the job done in a timely manner."

Josh P on May 2025

Welcome to Energy Saver Insulation, we have over 26 years of experience! Proudly servicing all of the greater Denver area! Owner and operator, Felipe, takes great pride in his professionalism and customer satisfaction. For fast, reliable, and efficient service give us a call today! You will not be disappointed.

"The company did a great job in my home. The customer service was great, they kept me updated through the whole process. Manuel was very professional and his crews got the job done in a timely manner."

Josh P on May 2025


Avatar for RL Insulation
RL Insulation
2025 North College Avenue, Unit 62
5.00(
9
)
Approved Pro
RL Insulation
2025 North College Avenue, Unit 62
5.00(
9
)
Approved Pro
Customers say: Quick response
13 local quotes requested
4 years of experience

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of Insulation services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"RL Insulation LLC has been an incredible partner on several commercial projects for my company. Their team is reliable, efficient, and consistently delivers high-quality work. They complete projects quickly without sacrificing attention to detail, and their professionalism makes them a pleasure to work with. If you're looking for an insulation company that gets the job done right the first time, I highly recommend RL Insulation LLC!"

Amanda P on March 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of Insulation services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"RL Insulation LLC has been an incredible partner on several commercial projects for my company. Their team is reliable, efficient, and consistently delivers high-quality work. They complete projects quickly without sacrificing attention to detail, and their professionalism makes them a pleasure to work with. If you're looking for an insulation company that gets the job done right the first time, I highly recommend RL Insulation LLC!"

Amanda P on March 2025


Avatar for Thermal Home Insulation
Thermal Home Insulation
4270 South Deframe Street
4.98(
25
)
Approved Pro
Thermal Home Insulation
4270 South Deframe Street
4.98(
25
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
14 local quotes requested

Thermal Home Insulation has been serving Colorado homeowners since 1972 with the highest level of experience, expertise, quality workmanship, and customer service. Every home is unique and every homeowner has unique demands - we strive to make all our customers happy. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a detailed & professional manner. Our reputation is based on service, safety, quality, and most importantly: results - regardless of how large or small your job is. Thermal Home Insulation uniquely provides you with our 3-Step Perfect Attic solution that can cut your A/C bills in half - and save you a ton in the winter too. And since energy bills are skyrocketing here in Colorado: this can add significant value to your home. Lower operating costs can significantly increase your homes value. Everyone likes saving money and we do our best to maximize your energy efficiency & savings.

"They were on time and a job well done."

Doug S on May 2024

Thermal Home Insulation has been serving Colorado homeowners since 1972 with the highest level of experience, expertise, quality workmanship, and customer service. Every home is unique and every homeowner has unique demands - we strive to make all our customers happy. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a detailed & professional manner. Our reputation is based on service, safety, quality, and most importantly: results - regardless of how large or small your job is. Thermal Home Insulation uniquely provides you with our 3-Step Perfect Attic solution that can cut your A/C bills in half - and save you a ton in the winter too. And since energy bills are skyrocketing here in Colorado: this can add significant value to your home. Lower operating costs can significantly increase your homes value. Everyone likes saving money and we do our best to maximize your energy efficiency & savings.

"They were on time and a job well done."

Doug S on May 2024


Avatar for Empower Insulation, LLC
Empower Insulation, LLC
18772 E Arkansas Pl
5.00(
5
)
Approved Pro
Empower Insulation, LLC
18772 E Arkansas Pl
5.00(
5
)
Approved Pro
1 years of experience
Free onsite estimate

At Empower Insulation, we’re proud to be a family-owned business with over 30 years of experience in the insulation industry. Based in the beautiful state of Colorado, we’ve built our reputation on providing high-quality insulation solutions for both residential and commercial projects.

"I had a great experience with Roger and his father. The pricing was fair, everything was clearly explained, and the work was done quickly and neatly. Our home feels more comfortable and warmer now—highly recommend!"

Nayely P on April 2025

At Empower Insulation, we’re proud to be a family-owned business with over 30 years of experience in the insulation industry. Based in the beautiful state of Colorado, we’ve built our reputation on providing high-quality insulation solutions for both residential and commercial projects.

"I had a great experience with Roger and his father. The pricing was fair, everything was clearly explained, and the work was done quickly and neatly. Our home feels more comfortable and warmer now—highly recommend!"

Nayely P on April 2025


Avatar for Advanced Insulation Solutions
Advanced Insulation Solutions
7120 E 121st Pl
4.86(
118
)
Approved Pro
Advanced Insulation Solutions
7120 E 121st Pl
4.86(
118
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
27 local quotes requested

Providing comfort, savings & energy efficiency to your Home. Are you tired of Being Hot or Cold in your Home? Don't hesitate to insulate! Properly installed Insulation will help reduce air infiltration that accounts for 40% of your energy loss. Here at Advanced Insulation Solutions, we specialize in the Installation of Cellulose and Fiberglass insulation products. We focus on not only doing things right but also always “Doing the right thing” for YOU the customer. Our values are based on providing honest communication and pricing. Your home is one of your most important assets and it deserves the best contractor. Please call us today for more information and get instant access to one of our experienced staff that will walk you through the entire process and provide you with a no-hassle quote. We look forward to helping you save money and be more comfortable in your home.

"Great job, reliable and great clean up. Showed me the depth of insulation sprayed in after job completed. R30 = 8 inches to R60= 17 inches."

Kent P on May 2025

Providing comfort, savings & energy efficiency to your Home. Are you tired of Being Hot or Cold in your Home? Don't hesitate to insulate! Properly installed Insulation will help reduce air infiltration that accounts for 40% of your energy loss. Here at Advanced Insulation Solutions, we specialize in the Installation of Cellulose and Fiberglass insulation products. We focus on not only doing things right but also always “Doing the right thing” for YOU the customer. Our values are based on providing honest communication and pricing. Your home is one of your most important assets and it deserves the best contractor. Please call us today for more information and get instant access to one of our experienced staff that will walk you through the entire process and provide you with a no-hassle quote. We look forward to helping you save money and be more comfortable in your home.

"Great job, reliable and great clean up. Showed me the depth of insulation sprayed in after job completed. R30 = 8 inches to R60= 17 inches."

Kent P on May 2025


Montgomery Insulation, Inc.
4645 S Adobe Ct
4.86(
52
)
Approved Pro
Montgomery Insulation, Inc.
4645 S Adobe Ct
4.86(
52
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
18 local quotes requested

With over 30 years of experience in the insulation industry, we are the experts you need to take care of any of your residential or commercial needs, except for sound control and removal. We will always treat your home or business as we would treat our own. We do not do insulation removal. We look forward to working with you!

"Montgomery Insulation did a great job. They were on time and cleaned up when they were done."

Brian W on September 2024

With over 30 years of experience in the insulation industry, we are the experts you need to take care of any of your residential or commercial needs, except for sound control and removal. We will always treat your home or business as we would treat our own. We do not do insulation removal. We look forward to working with you!

"Montgomery Insulation did a great job. They were on time and cleaned up when they were done."

Brian W on September 2024

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Blown in insulation install or upgrades FAQs

Many major home improvement retailers offer free machine rentals when you purchase a minimum quantity of insulation material, often 20 to 30 bags. These promotions vary by location and season, so calling ahead to confirm current offers is recommended. Be sure to understand any time limitations that apply to these free rentals, as they may restrict you to a specific return window, often 24 hours from checkout.

For most residential attics under 1,500 square feet, a standard consumer-grade blower available at rental centers will provide adequate performance. Larger spaces or projects requiring greater insulation depth may benefit from higher-capacity equipment. 

When consulting with the rental provider, mention your attic's square footage, desired insulation depth, and accessibility conditions to receive appropriate equipment recommendations for your specific situation.

DIY installation saves between $160 and $560 in labor costs for standard attic installations requiring four to eight hours of work. These savings must be weighed against equipment rental fees of $50 to $210 per day and the value of your personal time. For more complex installations like wall insulation, which can require 20+ hours of professional labor (costing $800 or more), the potential savings increase substantially, though so does the project complexity.

While there's a learning curve, most homeowners can master the basics with some practice. Key techniques include maintaining consistent material flow into the hopper, controlling hose direction effectively, and preventing clogs in the system. 

Starting in less visible areas allows you to refine your technique before moving to more prominent spaces. Thoroughly reviewing the equipment manual and watching instructional videos beforehand significantly improves first-time success rates.

Standard rental periods provide 24 hours of use, though specific terms vary by provider. Some locations calculate this as a calendar day, while others track a full 24-hour period from checkout time. Clarify the exact return deadline when renting, and plan your project timeline accordingly. Late returns often incur additional daily charges at the full rental rate, which can quickly increase your project cost if not managed carefully.

The homeowners guide to blown in insulation install or upgrades
From average costs to expert advice, get all the answers you need to get your job done.
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