The Best Insulation Contractors in Malverne, NY

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

#1

Long Island Heat Insulation Inc.

4.8
(200 reviews)
Verified

A family-owned and operated insulation specialist with a strong focus on energy-efficient solutions for residential properties. They are highly regarded for their expertise in spray foam and cellulose blow-in insulation, and they emphasize proper air sealing as a critical component of their process.

55 Front St, Rockville Centre, NY 11570 (Approx. 1.5 miles from Malverne)

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Air sealing

Business Information

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

All Weather Thermal Insulation

4.7
(150 reviews)
Verified

Known for providing comprehensive insulation services from audits to installation. They have a strong reputation for professionalism and quality workmanship, particularly in attic insulation removal and replacement and basement/crawl space encapsulation.

100 Merrick Rd, Rockville Centre, NY 11570 (Approx. 1 mile from Malverne)

Specialties & Features

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

Business Information

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

Green Attic Insulation

4.6
(90 reviews)
Verified

Specializes in creating more energy-efficient and comfortable homes through advanced attic solutions. They offer free energy audits and are well-versed in the available rebates and tax credits for Long Island homeowners, making them a popular choice for cost-conscious upgrades.

75 N Main St, Sayville, NY 11782 (Serves the Long Island region, including Malverne)

Specialties & Features

Energy efficiency audits
Attic insulation installation
Blown-in insulation

Business Information

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

Why These Are the Top Insulation Contractors in Malverne

** The insulation market in Malverne and the surrounding Nassau County area is robust and competitive, driven by a high cost of living, expensive energy bills, and a housing stock containing many homes built before modern energy codes. The average quality of service is high, as contractors must be licensed and insured to operate legally, and homeowners are discerning. **Competition Level:** High. There are numerous providers, but the top-tier companies distinguish themselves through specialized expertise, superior materials (like high-performance spray foam), and a focus on whole-home energy solutions rather than just basic installation. **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the Long Island cost of living. * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (Attic):** $3,500 - $7,500+ * **Wall Insulation:** $1,500 - $4,000 * **Insulation Removal:** $1 - $3 per square foot (in addition to new material costs) Homeowners are increasingly seeking services that bundle air sealing with insulation and are actively inquiring about rebates from local utility providers like PSEG Long Island, which many of the top contractors are qualified to facilitate.

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 Malverne regulations and climate

Frequently Asked Questions About Insulation in Malverne

Get answers to common questions about insulation services in Malverne, New York.

1What are the most important insulation upgrades for Malverne homes given our local climate?

Given Malverne's humid summers and cold, damp winters, the top priorities are air sealing and attic insulation. Properly sealing air leaks around windows, doors, and penetrations prevents moist summer air from causing condensation issues in walls. Upgrading attic insulation to at least R-49 is critical for retaining heat in winter, directly combating our Nor'easter-driven cold snaps and lowering heating bills significantly.

2How much does insulation installation typically cost for a home in Malverne?

Costs vary by home size and material, but Malverne homeowners can expect to pay between $1,500 to $4,500 for a standard attic insulation project using blown-in cellulose or fiberglass. Regional labor and material costs on Long Island are above the national average. Crucially, New York State offers incentives like tax credits and rebates through NYSERDA and local utilities (like PSEG Long Island) that can offset 20-50% of project costs, making it essential to ask your contractor about available programs.

3When is the best time of year to schedule insulation work in Malverne?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for contractor availability and for performing critical air sealing tests. Scheduling in these shoulder seasons ensures your home is prepared before the peak heating season begins, and avoids the high humidity of summer that can complicate moisture-sensitive installations like spray foam.

4What should I look for when choosing an insulation contractor in Nassau County?

Always verify the contractor is licensed and insured in New York State. Look for specific experience with Malverne's older housing stock, which often includes historic homes and balloon framing requiring specialized techniques. Choose a provider who performs a comprehensive energy audit (often a prerequisite for rebates) and is a certified installer for major brands (like Owens Corning) and NYSERDA's EmPower New York program, ensuring they follow strict quality and safety standards.

5My house feels drafty in winter. Is adding more insulation always the solution?

Not always; the primary issue in many older Malverne homes is air infiltration, not just insufficient insulation. A professional energy audit using a blower door test is the first step to identify costly drafts from old windows, doors, and unsealed building envelopes. Often, a combination of air sealing and adding insulation is required. Furthermore, ensuring your insulation has proper ventilation is key to preventing moisture buildup and mold, a common concern in our humid climate.