Blown-In Insulation Denver, CO
Denver's most popular insulation upgrade — installed to Xcel Energy rebate standards, completed in one day.
- Powered by Wisetack
- No Hard Credit Check to Apply
- Decisions in Seconds
Servicing Denver, Boulder, Colorado Springs, Fort Collins & more.
1 Day
Most Projects Completed
99.97%
Particle Capture Rate
4.9★
Google Rating
$1,250+
Available in Rebates
- BPI Certified
- Xcel Energy Partner
- Licensed & Insured
- 4.9 Stars · 150+ Reviews
- Locally Owned
- CO Lic #325117
- BPI Certified
- Xcel Energy Partner
- Licensed & Insured
- 4.9 Stars · 150+ Reviews
- Locally Owned
- CO Lic #325117
Blown-In Insulation Denver, CO | Level Up Insulation
Denver's most popular insulation upgrade — installed to Xcel Energy rebate standards, completed in one day.
Blown-in insulation is the most cost-effective attic upgrade available to Denver homeowners — and it’s the most common insulation installed in Denver. The reason it’s so popular in the Denver metro is simple: the vast majority of homes built between 1950 and 1990 in neighborhoods like Park Hill, Wheat Ridge, Lakewood, and Englewood were insulated with R-11 to R-19 batts that have been settling and degrading ever since. Blown-in insulation qualifies for Xcel Energy rebates. Level Up is Denver’s expert blown-in insulation contractor — and we do it right the first time.
Why Denver
Why Blown-In Insulation Is Right for Most Denver Homes
Blown-in insulation is the ideal solution for Denver’s older housing stock for one key reason: it doesn’t require open wall cavities or attic demolition to install. Denver’s most common residential architecture — 1950s–1970s ranches and bungalows — has irregular attic spaces with knee walls, obstructions, and decades of add-ons that make batt installation impractical. Blown-in cellulose or fiberglass flows around every obstacle, fills every corner, and creates a consistent, unbroken layer of insulation across your entire attic floor/entire house.
There’s also a material science advantage for Denver’s climate. Cellulose blown-in insulation is made from 85% recycled paper and performs particularly well in low-humidity environments — exactly what Denver is. It has natural air infiltration resistance, excellent R-value retention in thermal cycling conditions, and an outstanding sustainability profile. For Denver homeowners who want maximum performance at the best value, cellulose blown-in is consistently our top recommendation.
TYPES OF Blown-In INSULATION
Blown-In Insulation Options for Denver Homes
The right Blown-In insulation for your Denver home depends on your current situation, your goals, and whether your HVAC equipment is located in the attic. Here’s how the main options compare:
Fiberglass Blown-In Insulation
- R-2.2 per inch
- Does not absorb moisture
- Lighter weight — good for older Denver homes
- Long lifespan with minimal settling
- Standard option for Denver new construction
- Xcel Energy rebate eligible
Cellulose Blown-In — Recommended for Denver
- R-3.2–3.8 per inch (higher than fiberglass)
- Made from 85% recycled content
- Excellent air infiltration resistance for Denver winds
- Fills irregular spaces more completely than fiberglass
- Natural fit for Denver's low-humidity climate
- Xcel Energy rebate eligible
Blown-In Insulation SERVICES
Where Level Up Installs Blown-In Insulation in Denver
We’ve partnered with Wisetack to offer financing that customers actually love.
Blown-in attic insulation in Denver is the fastest, most cost-effective way to go from a failing attic to a properly performing one. We install over existing insulation (if it’s in good condition) adding new cellulose or fiberglass to bring the total to R-49 — the Denver and Colorado code requirement. Every blown-in attic project includes depth gauges installed throughout, and final depth photography for Xcel Energy rebate documentation. Most Denver attic projects are fully completed in a single day.
Dense-pack blown-in insulation in Denver walls is the only way to add insulation to existing finished walls without removing drywall. We drill small access holes in the exterior siding or interior drywall (your choice), insert a fill tube, and pack cellulose insulation at high density into the wall cavity. The result is R-13 to R-21 in walls that previously had nothing — a transformative upgrade for the many Denver homes built before wall insulation was standard practice. Holes are patched and can be painted as part of the service.
Knee walls in Denver’s cape cod homes and older bungalows are notoriously difficult to insulate effectively with batts. The angled geometry and limited access make consistent batt installation nearly impossible — resulting in voids, compression, and thermal bypasses. Blown-in insulation fills knee wall cavities completely regardless of shape, stays in place without supports, and delivers consistent R-value across the entire knee wall area. This is one of the most overlooked insulation opportunities in Denver’s housing stock.
Most Denver Blown-In Insulation completed in one day
PROCESS
Blown-In Insulation Installation Process in Denver
Blown-In Insulation Installation Process
step 1
Free Insulation Assessment
We measure existing R-value, inspect for air leakage opportunities, assess ventilation, and confirm Xcel Energy rebate eligibility.
step 2
Xcel Energy Pre-Approval
We provide the customer with necessary information for them to submit pre-approval for qualifying Denver projects before scheduling installation.
step 3
Air Sealing
All attic floor penetrations, can lights, top plate gaps, and bypasses are sealed before any insulation is installed. Documented photographically.
step 4
Depth Gauge Installation
Small depth rulers placed at multiple points across the attic to ensure consistent coverage.
step 5
Machine Installation
Commercial blowing equipment installs insulation in an even, consistent layer from one end of the attic to the other.
step 6
Depth Verification
Final depth measured and photographed at multiple points per Xcel Energy documentation requirements.
step 7
Full Cleanup
All hatch areas, stairways, and access points cleaned before we leave.
step 8
Rebate Submission
We provide the customer with the required information/documentation for them to submit to Xcel Energy for a rebate within 30 days.
Cost in Denver, CO
Blown-In Insulation Cost in Denver, CO
Blown-in attic insulation in Denver is typically charged per square foot installed. A Denver attic blown in insulation project with air sealing and cellulose blown-in can range in price depending on the materials used. Denver homeowners often qualify for the Xcel energy rebate of $500-1,500.
The average Denver homeowner saves $50–$150+ per Month (for the next 20+ years) in heating and cooling costs after a proper blown-in attic upgrade. At those savings, the net project cost pays back in 2–3 years. The insulation then delivers energy savings for the next 20+ years.
Trusted Products & Partners
Denver's climate demands more from your insulation. Make sure it's up to the job.
Blown-In Insulation Denver
Frequently Asked Questions
Common questions about our Blown-In Insulation
Cellulose blown-in is our top recommendation for most Denver attic projects. It has a higher R-value per inch (R-3.2–3.8 vs. R-2.2 for fiberglass), performs exceptionally well in Denver’s low-humidity climate, fills irregular spaces more completely, and has better air infiltration resistance — which matters in Denver’s windy conditions. Fiberglass also is a solid choice for homes with structural weight concerns or specific moisture sensitivities.
Most Denver attic blown-in insulation projects are completed in a single day. A 1,000–1,500 sq ft attic typically takes 5–8 hours from start to cleanup. You can be home throughout the project with no disruption to your daily routine.
Blown-in insulation is loose-fill material (cellulose or fiberglass) installed with a machine to create a continuous, seamless layer. Batt insulation comes in pre-cut rolls that are fitted between studs or joists. In Denver attic applications, blown-in is almost always superior because it fills around obstructions, covers existing insulation without demolition, and delivers more consistent R-value across irregular attic geometries.
Still have questions?
Call, text, or schedule a free inspection.
Local Resources
Denver Blown-In Insulation
Resources for Denver homeowners planning a blown-in insulation project:
Xcel Energy Blown-In Insulation Rebates
Rebates of $300–$800 for qualifying Denver attic insulation projects. Air sealing required for highest rebate tiers.
ENERGY STAR Insulation Guide — Colorado
R-value requirements and contractor verification for Colorado’s climate zone.
Cellulose Insulation Manufacturers Association
Technical resources on cellulose blown-in performance, sustainability, and installation standards.
All Communities We Serve
Blown-In Insulation Near Denver
GET A ESTIMATE
Ready to Upgrade Your Denver Home's Insulation?
Free estimates — we respond within 24 hours. Xcel Energy rebate paperwork handled for you.
CO Contractor License #325117 · Fully Licensed, Bonded & Insured · BPI Certified