The Best Insulation Contractors in Marietta, PA

Compare the highest-rated insulation professionals in Marietta, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Retrofitters of Lancaster

4.8
(150 reviews)
Verified

A highly-rated, specialist energy efficiency and insulation contractor focused on comprehensive home performance upgrades. They are well-known for their thorough energy audits and expertise in both spray foam and dense-pack cellulose insulation, often combined with advanced air sealing techniques.

1525A Commerce Center Drive, Lancaster, PA 17601

Specialties & Features

Energy Efficiency Audits
Spray Foam Insulation
Air Sealing Services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Lancaster Insulation & Garage Doors

4.7
(80 reviews)
Verified

A local contractor with a strong reputation for insulation services alongside their garage door business. They receive consistent praise for professionalism and quality work in attic insulation upgrades and blown-in wall insulation for existing homes.

1655 Old Philadelphia Pike, Lancaster, PA 17602

Specialties & Features

Blown-In Insulation Installation
Attic Insulation Installation and Upgrade
Wall Insulation Services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Koala Insulation of South Central PA

4.9
(100 reviews)
Verified

Part of a national brand with a local franchise, known for a wide range of insulation services including removal and replacement. They emphasize eco-friendly options and serve both residential and commercial properties in the region, including Marietta.

2275 Old Philadelphia Pike, Suite A, Lancaster, PA 17602

Specialties & Features

Insulation Removal and Replacement
Blown-In Insulation
Basement and Crawl Space Insulation

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Marietta

The insulation market in and around Marietta, PA, is characterized by a small number of highly specialized, quality-focused contractors rather than a high volume of competition. Due to the borough's historic housing stock and a strong regional emphasis on energy efficiency (driven by both cost savings and a local Amish and Mennonite influence on quality craftsmanship), the leading providers tend to be established companies from the greater Lancaster area. These contractors are well-versed in the specific challenges of older Pennsylvania homes, including stone foundations, balloon framing, and the need for moisture management. Pricing is typically mid-to-high range, reflecting the specialized skills and diagnostic equipment required for comprehensive air sealing and insulation upgrades. Homeowners can also benefit from exploring rebates and incentives available through local utilities like UGI Utilities, Inc. and the Pennsylvania Act 129 program, which most of the top-tier contractors are knowledgeable about and can help navigate.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Marietta regulations and climate

Frequently Asked Questions About Insulation in Marietta

Get answers to common questions about insulation services in Marietta, Pennsylvania.

1What is the most cost-effective type of insulation for my older home in Marietta, given our climate?

For Marietta's humid continental climate with cold winters and hot, humid summers, blown-in cellulose or fiberglass insulation in attics and walls is often the most cost-effective retrofit solution for older homes. These materials provide excellent thermal resistance (R-value) and air sealing, which is crucial for managing both winter heating costs and summer cooling loads. While spray foam offers superior air sealing, its higher upfront cost may not be the most economical choice for every historic Marietta home's budget.

2When is the best time of year to have insulation installed in my Marietta home?

The ideal times are during the shoulder seasons of late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in Pennsylvania, which is optimal for attic work and allows for proper ventilation during installation. Scheduling during these off-peak times can also lead to greater contractor availability and potentially quicker project completion before the extreme temperatures of winter or summer arrive.

3Are there any local rebates or incentives in Pennsylvania for upgrading my home's insulation?

Yes, Pennsylvania offers several programs. The most significant is the statewide **Whole-Home Energy Rebate Program**, funded by federal legislation, which is expected to launch in late 2024/2025 and will provide substantial rebates for insulation upgrades. Additionally, you should check with your local utility provider, such as PPL Electric Utilities, for current rebates on energy audits and insulation. Always consult with a qualified local installer who is up-to-date on the latest incentive paperwork and requirements.

4How do I choose a reliable insulation contractor in the Marietta area?

Prioritize contractors who are licensed, insured, and have specific experience with homes in Lancaster County and the Susquehanna River Valley's older housing stock. Ask for local references in Marietta or nearby towns like Columbia and Mount Joy, and verify they understand Pennsylvania's building codes. A reputable provider will conduct a thorough energy audit or assessment before quoting and should clearly explain the R-values needed for our specific climate zone (Zone 5).

5My attic has old, matted-down insulation. Is it necessary to remove it before adding new insulation?

In most cases in Marietta homes, yes, removal is recommended if the existing insulation is compromised. Old, matted insulation (often vermiculite or degraded fiberglass) has lost its R-value and may contain moisture or mold from our humid summers, which can damage roof sheathing. Furthermore, if the material is vermiculite, it must be tested for asbestos by a certified professional before any disturbance, as this is a critical health and safety regulation in Pennsylvania. A professional assessment will determine the necessary steps.