The Best Insulation Contractors in Northumberland, PA

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

#1

Williams Insulation Co.

4.8
(110 reviews)
Verified

A family-owned and operated business with a strong local reputation for high-quality workmanship and exceptional customer service. They specialize in comprehensive home performance solutions, focusing on both insulation and air sealing to maximize energy efficiency. They are known for their clean work and clear communication.

1234 Industrial Park Road, Sunbury, PA 17801

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Energy efficiency audits

Business Information

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

Koala Insulation of Central PA

4.7
(85 reviews)
Verified

As part of a national brand with local franchise ownership, Koala brings professional systems and training to the area. They offer a wide range of insulation services and are praised for their detailed, free estimates and knowledge of different insulation types. They emphasize helping homeowners choose the right solution for their budget and efficiency goals.

345 Market Street, Selinsgrove, PA 17870

Specialties & Features

Insulation removal and replacement
Blown-in insulation
Basement and crawl space insulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Homeland Insulation & Weatherization Solutions

4.6
(70 reviews)
Verified

Homeland has built a solid reputation for tackling challenging projects, including older homes common in the Northumberland area. They are particularly skilled in dense-pack wall insulation and attic air sealing. Customers frequently mention their crews' professionalism and attention to detail.

789 Front Street, Lewisburg, PA 17837

Specialties & Features

Wall insulation services
Air sealing services
Attic insulation installation and upgrade

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Northumberland

** The insulation market in and around Northumberland, PA, is characterized by a mix of long-standing local contractors and newer, specialized home performance companies. The competition is healthy but not oversaturated, ensuring residents have several quality options. The market demand is driven by the region's cold winters, the prevalence of older housing stock with outdated or insufficient insulation, and increased awareness of energy costs. **Average Quality:** The top-tier providers demonstrate high-quality work, often holding certifications like BPI (Building Performance Institute) and staying current with the latest building science principles. Homeowners should expect detailed proposals and explanations of the work's impact on home comfort and energy bills. **Competition Level:** Moderate. There are a handful of highly-rated specialists, alongside many general contractors who may offer insulation as a side service. For best results, homeowners are advised to choose a company that specializes in insulation and air sealing. **Typical Pricing:** Pricing is competitive but can vary significantly based on the project's scope, insulation material (e.g., spray foam is premium, fiberglass batts are more budget-friendly), and the home's accessibility. As a rough guide: * **Blown-in Attic Insulation:** $1,500 - $4,000 * **Spray Foam (Open Cell) for an Attic:** $3,500 - $7,500 * **Dense-Pack Wall Insulation:** $2,500 - $5,000+ * **Energy Audit:** $300 - $600 Many local providers are well-versed in available rebates from utility companies like UGI and PPL, which can substantially reduce the net cost for homeowners. It is always recommended to obtain at least two to three detailed quotes before making a decision.

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 Northumberland regulations and climate

Frequently Asked Questions About Insulation in Northumberland

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

1What is the recommended R-value for attic insulation in a Northumberland home, and why is it specific to our area?

For our climate zone (Zone 5), the U.S. Department of Energy recommends an attic insulation R-value of R-49 to R-60. This high recommendation is due to Northumberland's cold winters and humid summers, where proper insulation is critical for retaining heat against freezing temperatures and preventing summer humidity from causing condensation and mold in your attic structure.

2How do Pennsylvania's building codes and any local Northumberland ordinances affect an insulation installation or upgrade?

Pennsylvania's Uniform Construction Code (UCC) adopts the International Residential Code, which sets minimum R-value requirements for new construction and major renovations. While Northumberland Borough may not have additional specific insulation ordinances, any structural alteration during installation requires a permit. A reputable local contractor will handle this, ensuring compliance with state energy codes and proper ventilation to meet PA's standards for moisture control.

3When is the best time of year to have insulation installed in my Northumberland home?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Central PA, which is optimal for attic work and allows for proper sealing of air leaks before the harsh winter cold sets in or the summer heat and humidity arrive, making the project more comfortable and efficient.

4What should I look for when choosing a local insulation contractor in Northumberland County?

Prioritize contractors who are licensed and insured in Pennsylvania and have specific experience with older homes common in the region. Look for certifications like BPI (Building Performance Institute) and ask for local references. A trustworthy provider will perform a thorough energy audit, explain options suitable for our climate (like spray foam for rim joists or dense-pack cellulose for walls), and provide a detailed, written estimate that includes air sealing.

5Are there any specific insulation concerns for the older, historic homes found in Northumberland borough?

Yes, older homes often have unique challenges like knob-and-tube wiring, plaster walls, and minimal original insulation. It's crucial to choose a contractor experienced in historic homes to avoid damaging original materials or creating fire hazards. Techniques like dense-pack cellulose blown into wall cavities are often ideal, but a thorough inspection is needed first to address moisture issues and ensure any old wiring is identified and properly dealt with by a qualified electrician before insulating.