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Insulation in Denver, CO

Compare 5 local insulation pros. Typical service: $1499–$2892.

Top Insulation Companies in Denver

  1. 1.Insulation Nation | Preferred Xcel Energy Partner | Insulation Contractor in Denver, CO

    4.9★ (136 reviews)

    4.9★ from 136 reviews

    +17204109414Website

  2. 2.Mucilli Brothers

    4.7★ (80 reviews)

    4.7★ from 80 reviews

    +17202048414Website

  3. 3.Denver Spray Foam Insulation

    5.0★ (58 reviews)

    5.0★ from 58 reviews

    +13035294249Website

  4. 4.Andrex Insulation Ltd

    4.7★ (16 reviews)

    4.7★ from 16 reviews

    +13037774585Website

  5. 5.Denver Insulation

    4.0★ (1 reviews)

    4.0★ from 1 reviews

    +17206446624

Insulation Cost in Denver

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Denver
Attic blown-in insulation$1,499–$2,892/job
Attic spray foam$3,213–$6,426/job

Insulation prices in Denver run about 7% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 5 companies serving Denver, rated 4.7★ on average across 291 customer reviews.

Denver Climate & Seasonal Timing

What Denver's weather means for scheduling insulation.

Last spring frost
May 2
First fall frost
October 5
Annual precipitation
15.58"
Heating degree days
6,068
Cooling degree days
687
MonthLowHighPrecip
Jan17.4°44.5°0.47"
Feb19.6°46.1°0.47"
Mar26.4°53.6°1.25"
Apr34.1°60.9°1.74"
May43.8°70.5°2.3"
Jun52.8°81.2°1.69"
Jul59°88.2°2.05"
Aug57.4°85.7°2.06"
Sep47.5°77.2°1.06"
Oct35.7°64.9°1.08"
Nov24.9°52.3°0.82"
Dec16.7°43.3°0.59"

NOAA station data 0.73 miles from Denver.

Permits & Regulations in CO

  • Colorado has no statewide painting or general contractor license; requirements are set by each city and county
  • Remodeling that needs a building permit generally requires a locally licensed contractor
  • Work that disturbs paint in homes built before 1978 must be done by a Lead-Safe Certified firm under the EPA Renovation, Repair and Painting Rule

License required: No state painting or remodeling license; local licensing

Sources: www.denvergov.org, www.epa.gov

Insulation FAQs for Denver

How much does attic insulation cost in Denver?

Blown-in attic insulation in Denver typically runs $1499-$2892 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve Denver?

We track 5 insulation contractors serving Denver.

Is insulation in Denver more expensive than average?

Installation labor in Denver runs about +7.1% versus the national average.

How much insulation does a home in Denver need?

Denver sees about 6,068 heating degree days and 687 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with Denver summers?

Yes -- with summer highs near 88F in Denver, attic insulation cuts the heat load on the air conditioner as much as it holds heat in winter.

Do insulation contractors in CO need a license?

In CO, Colorado has no statewide painting or general contractor license; requirements are set by each city and county. Adding attic insulation in Denver rarely needs a permit.

Is spray foam worth it in Denver?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1499-$2892 gets most Denver homes the same R-value for less.

How many quotes should I get for insulation in Denver?

Two or three; with 5 insulation contractors serving Denver, compare the R-value and depth each quote installs, not just the price.