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Over 1,000 satisfied customers and counting!
Save on Energy Bills.
Stay Comfortable Year-Round.
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Attic Insulation -
Air Sealing -
Crawl Space -
$2,250 Rebates
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Attic Insulation -
Air Sealing -
Crawl Space -
$2,250 Rebates
Attic, crawl space, and air sealing specialists serving the 6-county Denver metro. Our insulation services are engineered for Colorado’s freeze and thaw cycles, so your home holds its temperature through January wind and July heat. We handle Xcel Energy rebates in-house, and most homeowners save up to $2,250.
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4.9/5 - 200+ Online Reviews
- Licensed & Insured in Colorado
- Xcel Authorized Contractor
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4.9/5
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Why Insulation Nation
Built for Colorado homes, backed by Xcel rebates.
We don’t just install insulation and leave. We engineer comfort and handle every rebate from start to finish, so you get the savings without the paperwork. As a home insulation company owned and staffed here in the metro, we are one of the few insulation contractors Colorado homeowners can reach directly, with no call center in between.
We handle the rebate paperwork.
Most homeowners save up to $2,250. We submit, track, and close every claim you don’t fill out a single form.
Local, not a franchise.
Denver-based crews who understand Colorado homes, climate, and code requirements from Broomfield to Douglas County.
No-pressure estimates.
Flat pricing, honest recommendations, and clear proposals. No gimmicks, no “today only” tactics. Ever. You get a written number before anyone touches your attic.
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Why Insulation Nation
Built for Colorado homes, backed by Xcel rebates.
We don’t just install insulation and leave. We engineer comfort and handle every rebate from start to finish — so you get the savings without the paperwork.
All services
(01) We handle the rebate paperwork.
Xcel Energy rebates average $2,250. We submit, track, and close every claim in-house — you don’t fill out a single form.
(02) Local, not a franchise.
Denver-based crews who understand Colorado homes, climate, and code requirements from Broomfield to Douglas County.
(03) No-pressure estimates.
Flat pricing, honest recommendations, and clear proposals — no gimmicks, no “today only” tactics. Ever.
Xcel Energy rebates average $2,250. We submit, track, and close every claim in-house — you don’t fill out a single form.
Denver-based crews who understand Colorado homes, climate, and code requirements from Broomfield to Douglas County.Flat pricing, honest recommendations, and clear proposals — no gimmicks, no “today only” tactics. Ever.
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Services
Everything your home needs — under one roof.
Seven specialties. One expert crew. From attics to crawl spaces, we handle Colorado’s full insulation system. Working with a single residential insulation contractor keeps the scope, the schedule, and the rebate paperwork in one place instead of spread across three trades.
All services
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Key Differentiator
Xcel Energy
Rebate Processing
We’re authorized Xcel contractors. We audit your home, submit every rebate, and handle the entire process while you pocket up to $2,250 back. Xcel insulation rebates are one of the largest savings programs open to Colorado homeowners, and we file them for you as part of the job.
Call (720) 410-9414
Attic Insulation → $1,250
Air Sealing → $1,000
Crawl Space
+ Bonus rebates available — call to learn more
Attic Insulation
Improve comfort and reduce heat loss with properly installed attic insulation, sized to the R-value Colorado homes actually need.
Blow-In Insulation
Fast, efficient insulation that fills gaps and boosts energy efficiency in walls and hard-to-reach cavities.
Air Sealing
Stop drafts and energy leaks by sealing key areas throughout your home before new insulation goes in.
Radiant Barrier
Reflect heat away from your home to keep temperatures stable year-round, especially through long Front Range summers.
Crawl Space Insulation
Protect your home from moisture, cold floors, and energy loss under the house where heat quietly escapes.
Batt Insulation
Reliable insulation solution for walls, floors, and new construction, fitted to each cavity with no gaps or compression.
- 6-County Denver Metro
If you’re in the metro, we’re in your neighborhood.
From Highlands Ranch to Thornton, Golden to Parker, we serve 40+ cities across six counties with the same crews, same quality, and same rebate expertise. Homeowners choose us as their Denver insulation company because the team that quotes the job is the team that shows up to do it.
6 Counties Served
30+
Cities Covered
30+ Cities Covered
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Our Process
From first call to paid rebate — four simple steps.
No surprises. No hassle. We guide you through every step and handle the paperwork so you don’t have to. Every visit is run by a professional insulation contractor who documents the work your rebate claim depends on.
All services
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Free in-home audit
We inspect your attic, crawl space, and insulation, then walk you through exactly what your home needs.
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Flat written quote
Clear scope, transparent pricing, and rebate savings explained upfront.
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Clean install, one visit
Most jobs are completed in a single day. We protect your home and leave it spotless.
04
We process your rebate
We credit the full rebate directly on your invoice, so you receive the savings instantly.
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4.9 / 5 · 200+ reviews
Trusted by Colorado homeowners.
We’ve insulated over 2,000 homes across the Denver metro. Here’s what homeowners are saying about working with a Colorado insulation company that lives and works in the same neighborhoods it serves.
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Contact
Book your cleaning
service today.
Looking for a reliable insulation service? Contact our team anytime, and we’ll help you find the perfect solution. As a Denver insulation company with local crews, we can usually get your audit on the calendar within a few days.
Email Address
info@insulationnation.com
Phone Number
(720) 410-9414
Office Location
Denver, CO
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FAQ
Got any questions?
We’ve got answers.
What are the primary benefits of choosing blow in insulation for my existing residential attic or wall cavities?
Blow-in insulation, also called loose-fill, is ideal for retrofitting existing homes because it fills irregular spaces and hard-to-reach areas without major structural changes. It provides strong thermal coverage, reduces air gaps, and improves overall energy efficiency. It also helps with soundproofing and installs quickly with minimal disruption. Most homes feel the difference upstairs within the first season.
How does a professional energy audit help me prioritize which insulation and air sealing services I truly need?
A professional energy audit evaluates how your home uses and loses energy. Using tools like thermal imaging and blower door tests, we identify problem areas such as air leaks, poor insulation, or inefficient systems. This helps you focus on the highest-impact upgrades first, which is how our home insulation services save money instead of guessing. You get a clear, prioritized plan tailored to your home.
When is batt insulation a more appropriate choice than other types, and where is it typically installed in a commercial or residential property?
Batt insulation is best suited to open, accessible areas with standard spacing, such as wall studs, floor joists, and ceiling rafters. It is commonly used in new construction or major renovations where walls are exposed. It is a cost-effective and straightforward option when cavities are uniform and easy to reach. In both residential and commercial buildings, it is often installed in walls, attics, and floors.
What are the critical steps in an effective air sealing process, and why is it often recommended before installing new insulation?
Air sealing involves identifying and closing the gaps, cracks, and leaks where air escapes or enters your home. Key steps include inspecting problem areas such as attics, windows, doors, and ductwork, sealing leaks with caulk or foam, and keeping proper ventilation intact. It is recommended before adding insulation because insulation alone does not stop airflow. Sealing first ensures the insulation performs, which is the difference between a warm house and an expensive one.
Blow-in insulation, also called loose-fill, is ideal for retrofitting existing homes because it fills irregular spaces and hard-to-reach areas without major structural changes. It provides strong thermal coverage, reduces air gaps, and improves overall energy efficiency. It also helps with soundproofing and installs quickly with minimal disruption. Most homes feel the difference upstairs within the first season.
A professional energy audit evaluates how your home uses and loses energy. Using tools like thermal imaging and blower door tests, we identify problem areas such as air leaks, poor insulation, or inefficient systems. This helps you focus on the highest-impact upgrades first, which is how our home insulation services save money instead of guessing. You get a clear, prioritized plan tailored to your home.
Batt insulation is best suited to open, accessible areas with standard spacing, such as wall studs, floor joists, and ceiling rafters. It is commonly used in new construction or major renovations where walls are exposed. It is a cost-effective and straightforward option when cavities are uniform and easy to reach. In both residential and commercial buildings, it is often installed in walls, attics, and floors.
Air sealing involves identifying and closing the gaps, cracks, and leaks where air escapes or enters your home. Key steps include inspecting problem areas such as attics, windows, doors, and ductwork, sealing leaks with caulk or foam, and keeping proper ventilation intact. It is recommended before adding insulation because insulation alone does not stop airflow. Sealing first ensures the insulation performs, which is the difference between a warm house and an expensive one.