The Best Insulation Contractors in Oceanside, NY

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

#1

All Island Energy

4.8
(200 reviews)
Verified

A leading Long Island contractor specializing in comprehensive home energy solutions. They are highly regarded for their expertise in advanced insulation techniques and air sealing, often working in tandem to maximize home efficiency. They are a certified Energy Star partner and well-versed in available rebates.

75 N Long Beach Rd, Rockville Centre, NY 11570

Specialties & Features

Spray foam insulation
Air sealing services
Energy efficiency audits

Business Information

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

Green Attic Insulation

4.9
(150 reviews)
Verified

This provider has built an exceptional reputation specifically on attic services, which is a critical area for home energy loss. They focus heavily on insulation removal and replacement, ensuring old, inefficient material is properly handled before installing new, high-performance insulation.

75 Urban Ave, Westbury, NY 11590

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Blown-in insulation installation

Business Information

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

Dr. Energy Saver - Long Island

4.7
(180 reviews)
Verified

As part of a national network of energy efficiency experts, this local franchise brings a high level of professionalism and diagnostic rigor. They offer a full suite of services, from basement and crawl space insulation to comprehensive energy audits, and are known for their systematic approach to solving home comfort issues.

115 Hoffman Ln, South Huntington, NY 11747

Specialties & Features

Basement and crawl space insulation
Energy efficiency audits
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Oceanside

** The insulation market in and around Oceanside, NY, is robust and competitive, driven by the region's older housing stock (many homes built mid-20th century), high energy costs, and variable climate. The average quality of providers is high, as New York State and local building codes are strict, requiring proper licensing and insurance. However, the market is segmented between general contractors who offer insulation and specialized energy efficiency companies. * **Average Quality & Competition:** The top-tier providers are highly specialized, often holding certifications from Building Performance Institute (BPI) and being Energy Star partners. They compete on expertise, technology (e.g., infrared cameras for audits), and service quality rather than just price. * **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the high cost of living and business operations on Long Island. As a rough guide: * **Blown-in Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,500 for a standard attic. * **Spray Foam Insulation (closed cell):** $1.50 - $3.00+ per board foot, making a full attic job range from $5,000 to $15,000+. * **Energy Audit:** $400 - $800, often credited towards any subsequent work. * Homeowners should always obtain multiple quotes and inquire heavily about available rebates from NYSERDA (New York State Energy Research and Development Authority) and local utility companies like PSEG Long Island, which can significantly offset project costs.

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 Oceanside regulations and climate

Frequently Asked Questions About Insulation in Oceanside

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

1What are the most cost-effective insulation upgrades for my Oceanside home, and are there any local rebates or incentives?

For our coastal climate, air sealing combined with adding attic insulation to R-49 (for existing homes) is often the most cost-effective upgrade, directly combating Long Island's humid summers and chilly, windy winters. Homeowners in Oceanside should check for rebates from NYSERDA (New York State Energy Research and Development Authority), which offers incentives for insulation improvements through participating contractors. Additionally, National Grid may have specific programs for gas-heated homes in the area to help offset initial costs.

2When is the best time of year to install insulation in Oceanside, and how long does a typical project take?

The ideal time is during the shoulder seasons of spring or fall, as attics and crawlspaces are less extreme in temperature, making the installation more comfortable and efficient. Most single-family home projects, like attic blow-in insulation, are completed in one day, while more comprehensive whole-house air sealing and insulation may take 2-3 days. Scheduling in advance is key, as late summer and early fall can be busy periods for contractors preparing homes for winter.

3Are there specific insulation materials or methods recommended for Oceanside's coastal environment?

Yes, moisture resistance is a critical consideration. Closed-cell spray foam is highly recommended for basement rim joists and crawlspaces as it provides an excellent air and moisture barrier, protecting against the humid salt air. For attics, damp-spray cellulose or fiberglass batts are excellent choices, but proper attic ventilation is paramount to prevent moisture buildup, which is a common issue in our region.

4How do I choose a reputable insulation contractor in the Oceanside area?

Always verify that the contractor is licensed and insured to work in New York State and specifically inquire about their experience with local building codes, including Nassau County's requirements. Look for contractors who are certified by the Building Performance Institute (BPI) and are NYSERDA partners, as this indicates training in comprehensive home performance. Get 2-3 detailed, written estimates that include a scope of work, material specifications (R-values), and a clear breakdown of labor and material costs.

5My older Oceanside home is drafty. Will new insulation alone solve my comfort issues, or is more needed?

For many older homes in our community, insulation is only part of the solution. Air sealing is arguably more critical; it stops the drafts that make homes feel cold and allows your insulation to work effectively. A professional energy audit, often incentivized by NYSERDA, is the best first step to identify specific leaks, moisture problems, and ventilation needs unique to your home before any work begins, ensuring your investment is targeted and effective.