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Insulation in Philadelphia, PA

Compare 4 local insulation pros. Typical service: $1428–$2754.

Top Insulation Companies in Philadelphia

  1. 1.Alligood Energy

    4.8★ (49 reviews)

    4.8★ from 49 reviews

    +12159176578Website

  2. 2.Philadelphia Spray Foam Insulation

    5.0★ (35 reviews)

    5.0★ from 35 reviews

    +12156083873Website

  3. 3.A&U Services & Roofing Services

    4.7★ (17 reviews)

    4.7★ from 17 reviews

    +12232096216

  4. 4.Insulation pros

    +12153034216

Insulation Cost in Philadelphia

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

ServiceTypical range in Philadelphia
Attic blown-in insulation$1,428–$2,754/job
Attic spray foam$3,060–$6,120/job

Insulation prices in Philadelphia run about 2% 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 4 companies serving Philadelphia, rated 4.8★ on average across 101 customer reviews.

Philadelphia Climate & Seasonal Timing

What Philadelphia's weather means for scheduling insulation.

Last spring frost
March 30
First fall frost
November 16
Annual precipitation
48.51"
Heating degree days
4,350
Cooling degree days
1,474
MonthLowHighPrecip
Jan27.4°40.4°3.62"
Feb29.3°44.5°3.13"
Mar36.4°53.2°4.6"
Apr46°64.8°4.11"
May55.7°74.9°4.48"
Jun65.6°84.2°4.29"
Jul70.2°88°4.43"
Aug69.1°86.3°4.66"
Sep61.5°78.7°4.1"
Oct50.3°67.2°3.81"
Nov41.7°56.1°3.39"
Dec32.2°44.6°3.89"

NOAA station data 4.08 miles from Philadelphia.

Permits & Regulations in PA

  • Pennsylvania requires Home Improvement Contractor registration for contractors doing more than $5,000 of home improvement work a year, including painting
  • Remodeling permits are issued by the municipality
  • 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: PA Home Improvement Contractor registration (over $5,000 a year)

Sources: www.attorneygeneral.gov, www.epa.gov

Insulation FAQs for Philadelphia

How much does attic insulation cost in Philadelphia?

Blown-in attic insulation in Philadelphia typically runs $1428-$2754 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve Philadelphia?

We track 4 insulation contractors serving Philadelphia.

Is insulation in Philadelphia more expensive than average?

Installation labor in Philadelphia runs about +2% versus the national average.

How much insulation does a home in Philadelphia need?

Philadelphia sees about 4,350 heating degree days and 1,474 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with Philadelphia summers?

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

Do insulation contractors in PA need a license?

In PA, Pennsylvania requires Home Improvement Contractor registration for contractors doing more than $5,000 of home improvement work a year, including painting. Adding attic insulation in Philadelphia rarely needs a permit.

Is spray foam worth it in Philadelphia?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1428-$2754 gets most Philadelphia homes the same R-value for less.

How many quotes should I get for insulation in Philadelphia?

Two or three; with 4 insulation contractors serving Philadelphia, compare the R-value and depth each quote installs, not just the price.