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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 -
$1,600 Rebates
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Attic Insulation -
Air Sealing -
Crawl Space -
$1,600 Rebates
Attic, crawl space, and air sealing specialists serving the 6-county Denver metro. We handle Xcel Energy rebates in-house — most homeowners save up to $2,250.
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4.9/5 - 200+ Online Reviews
- Licensed & Insured in Colorado
- Xcel Authorized Contractor
BBB
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BPI
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4.9/5
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Licensed
& Insured
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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.
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 local code requirements.
No-pressure estimates.
Clear pricing, honest recommendations, and zero sales gimmicks. Ever.
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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 $1,600. 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 $1,600. 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.
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 $1,600 back.
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.
Blow-In Insulation
Fast, efficient insulation that fills gaps and boosts energy efficiency.
Air Sealing
Stop drafts and energy leaks by sealing key areas throughout your home.
Radiant Barrier
Reflect heat away from your home to keep temperatures stable year-round.
Crawl Space Insulation
Protect your home from moisture, cold floors, and energy loss.
Batt Insulation
Reliable insulation solution for walls, floors, and new construction.
- 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.
6 Counties Served
30+
Cities Covered
30+ Cities Covered
Contact us
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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.
All services
01
Free in-home audit
We inspect your attic, crawl space, and insulation — then walk you through exactly what your home needs.
02
Flat written quote
Clear scope, transparent pricing, and rebate savings explained upfront.
03
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 submit everything to Xcel, track approval, and confirm when your check is on the way.
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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.
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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 insulation) is ideal for retrofitting existing homes because it can easily fill irregular spaces and hard-to-reach areas without major structural changes. It provides excellent thermal coverage, reduces air gaps, and improves overall energy efficiency. It also helps with soundproofing and can be installed relatively quickly with minimal disruption. Additionally, it’s a cost-effective way to upgrade insulation in older homes.
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, experts identify problem areas such as air leaks, poor insulation, or inefficient systems. This helps you focus on the most impactful upgrades first—saving money and improving comfort. Instead of guessing, you get a clear, prioritized plan tailored to your home’s needs.
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 for open, accessible areas with standard spacing, such as wall studs, floor joists, and ceiling rafters. It’s commonly used in new construction or major renovations where walls are exposed. It’s a cost-effective and straightforward option when cavities are uniform and easy to reach. In both residential and commercial buildings, it’s 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 gaps, cracks, and leaks where air escapes or enters your home. Key steps include inspecting problem areas (like attics, windows, doors, and ductwork), sealing leaks with caulk or foam, and ensuring proper ventilation is maintained. It’s recommended before adding insulation because insulation alone doesn’t stop airflow. Sealing first ensures the insulation performs effectively, maximizing energy efficiency and indoor comfort.
Blow-in insulation (also called loose-fill insulation) is ideal for retrofitting existing homes because it can easily fill irregular spaces and hard-to-reach areas without major structural changes. It provides excellent thermal coverage, reduces air gaps, and improves overall energy efficiency. It also helps with soundproofing and can be installed relatively quickly with minimal disruption. Additionally, it’s a cost-effective way to upgrade insulation in older homes.A professional energy audit evaluates how your home uses and loses energy. Using tools like thermal imaging and blower door tests, experts identify problem areas such as air leaks, poor insulation, or inefficient systems. This helps you focus on the most impactful upgrades first—saving money and improving comfort. Instead of guessing, you get a clear, prioritized plan tailored to your home’s needs.Batt insulation is best suited for open, accessible areas with standard spacing, such as wall studs, floor joists, and ceiling rafters. It’s commonly used in new construction or major renovations where walls are exposed. It’s a cost-effective and straightforward option when cavities are uniform and easy to reach. In both residential and commercial buildings, it’s often installed in walls, attics, and floors.Air sealing involves identifying and closing gaps, cracks, and leaks where air escapes or enters your home. Key steps include inspecting problem areas (like attics, windows, doors, and ductwork), sealing leaks with caulk or foam, and ensuring proper ventilation is maintained. It’s recommended before adding insulation because insulation alone doesn’t stop airflow. Sealing first ensures the insulation performs effectively, maximizing energy efficiency and indoor comfort.