Compare the highest-rated insulation professionals in Union, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A-1 Insulation is a highly-rated, family-owned and operated business specializing in comprehensive insulation and air sealing services. They are well-known for their expertise in both new construction and retrofit projects, with a strong focus on improving home energy efficiency. Their excellent customer reviews frequently highlight their professionalism, cleanliness, and deep knowledge.
Granite State Insulation has built a strong reputation in Southern New Hampshire for quality workmanship and a customer-centric approach. They offer a full suite of insulation services and are particularly adept at handling complex projects like attic insulation upgrades and crawl space encapsulation, often identifying and solving underlying moisture and ventilation issues.
While primarily a leading solar installer, ReVision Energy has a dedicated "Heat & Insulation" division that provides top-tier energy efficiency services. Their whole-home approach is exceptional; they use advanced diagnostic tools like blower door tests to precisely identify air leaks and insulation gaps. They are experts in maximizing home performance to complement renewable energy systems and are deeply knowledgeable about local and federal rebates.
** The insulation market serving Union, New Hampshire, is characterized by a small number of highly specialized, regional contractors rather than large national chains. The competition level is moderate, but the quality bar is high. Homeowners in this region are typically proactive about energy efficiency due to the high heating costs associated with New England winters. **Average Quality:** The top-tier providers in this area offer excellent service quality, often holding certifications from organizations like the Building Performance Institute (BPI) and being approved installers for energy efficiency rebate programs (e.g., through NHSaves). **Competition Level:** Moderate. There are a handful of dominant, well-established players. The market is not oversaturated, which allows reputable companies to maintain strong business without competing solely on price, leading to a focus on quality and expertise. **Typical Pricing:** Pricing is competitive with New England averages. As a rough guide: * **Blown-in Attic Insulation:** $1,500 - $3,500+ * **Spray Foam (closed-cell):** $1.00 - $1.50+ per board foot * **Whole-House Air Sealing & Insulation Upgrade:** $5,000 - $15,000+ (highly variable based on home size and scope). It is highly recommended that homeowners in Union obtain at least two to three quotes and confirm that any contractor is fully licensed and insured before proceeding with work.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Union regulations and climate
Get answers to common questions about insulation services in Union, New Hampshire.
For Union's cold, humid winters and warm summers, a focus on air sealing and high R-value insulation is critical. We recommend attic insulation (like blown-in cellulose or fiberglass to R-49 or higher) and basement or crawlspace insulation to prevent heat loss and frost heave. Properly insulating walls and addressing air leaks are also essential to combat drafts and manage moisture from our seasonal humidity.
Costs vary based on home size, material (e.g., spray foam vs. cellulose), and accessibility, but Union homeowners can expect competitive pricing within New Hampshire's market. Crucially, you should inquire about New Hampshire's energy efficiency rebates, such as those from NHSaves, and federal tax credits for qualified insulation upgrades, which can significantly offset your initial investment.
While insulation can be installed year-round, the ideal periods in Union are late spring (May-June) and early fall (September-October). These seasons typically offer mild, dry weather, which is optimal for projects like attic work and allows contractors greater availability before the busy winter rush when homeowners are urgently addressing heat loss.
Prioritize contractors licensed and insured to work in New Hampshire, with specific experience in older New England homes common in Union. Ask for local references, verify they perform a pre-installation energy audit, and ensure they understand and comply with NH building codes, especially for vapor barriers which are vital in our mixed-humidity climate to prevent mold and rot.
Not entirely. In many of Union's historic homes, air leakage through gaps, windows, and sill plates is a major culprit. A comprehensive approach is needed: air sealing must be done first (around wiring, plumbing, and attic hatches), followed by adding insulation. This two-step process is the most effective way to increase comfort, reduce heating bills, and protect your home's structure from moisture damage.