Wall Insulation

Wall Insulation Rebates 75-100% off costs.

Optimize your walls with our insulation services and recover 75% to 100% of costs through Energize Connecticut programs, targeting Eversource and United Illuminating customers.

Wall insulation is instrumental in stabilizing indoor temperatures, reducing energy costs, and improving overall comfort. Reinforce your Connecticut home's defenses against the elements with comprehensive wall insulation from Home Comfort Practice.

Wall Insulation Essentials

Proper wall insulation is crucial in maintaining a comfortable, energy-efficient home in Connecticut. It minimizes heat transfer, keeps indoor temperatures stable, and reduces energy costs. Insulation needs vary between different wall types—whether it's traditional wood-framed, brick, or modern insulated concrete forms. Each structure has unique insulation requirements to ensure optimal performance and efficiency.


Benefits of Wall Insulation

Enhanced Thermal Comfort: Properly insulated walls help maintain consistent indoor temperatures throughout the year, leading to increased comfort.

Noise Reduction: Insulation acts as a sound barrier, reducing noise transmission between rooms and from the outside, contributing to a quieter home environment.

Moisture Control: Correctly installed wall insulation can help manage indoor humidity levels and prevent moisture accumulation, which mitigates the risk of mold and structural damage.

Frequently Asked Questions about Wall Insulation

Signs include unusually high energy bills and cold walls in winter. Conducting an energy audit can also pinpoint where additional insulation is necessary.

Yes, techniques like blow-in insulation or injectable spray foam can be used to insulate walls without extensive renovations.

It’s an excellent opportunity to add exterior insulation like rigid foam boards to enhance thermal performance.

Wooden frame for future walls with drywall plates insulated with rock wool and fiberglass insulation staff for cold barrier. Comfortable warm home, economy, construction and renovation concept.

Yes, materials like cellulose, mineral wool, and certain types of batt insulation are made from recycled or sustainable resources and offer effective insulation.

Common wall insulation types include fiberglass batts, cellulose (loose-fill), rigid foam boards, and spray foam. Each has different properties making them suited to Connecticut's varying climates and specific wall structures.

These ratings measure how well insulation materials allow moisture to pass through. In Connecticut, selecting the correct perm rating is crucial to manage indoor moisture levels and prevent mold, especially during humid summers and wet winters.

Connecticut falls under IECC climate zones 5 and 6, recommending wall R-values between R-20 and R-25 for exterior walls. This ensures efficient thermal resistance against Connecticut’s varying temperatures.

Yes, particularly in urban areas like Hartford or New Haven, proper wall insulation can help mute external noise, enhancing the indoor environment's tranquility.

Yes, techniques like blown-in cellulose are ideal for Connecticut’s older homes, allowing for insulation updates without extensive renovations, preserving historical integrity while improving energy efficiency.

Male builder insulating wooden frame house. Man worker spraying polyurethane foam inside of future cottage, using plural component gun. Construction and insulation concept.

Wall Insulation Materials

  • Spray Foam Wall Insulation

    Spray Foam Wall Insulation

    Providing both high R-value and air sealing, spray foam is ideal for irregular spaces and can significantly improve energy efficiency in existing walls or new constructions.

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  • Blown Cellulose Wall Insulation

    Blown Cellulose Wall Insulation

    Blow-in insulation can be added to existing walls without major disturbances, offering improved thermal performance and a denser fit than traditional batts.

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  • Blanket/Batt Wall Insulation

    Blanket/Batt Wall Insulation

    Common for new construction and retrofits, batt and roll insulation fits between studs and is suited for standard wall cavities, offering a cost-effective solution.
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  • Rigid/Foam Wall Insulation

    Rigid/Foam Wall Insulation

    Used in new construction or external wall retrofits, rigid foam board adds high R-values and reduces thermal bridging, improving the overall insulating properties of walls.
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Qualify for Wall Insulation Rebates by Getting a Home Energy Audit


Service Cost (free-of-charge if eligible*)


Average Annual Energy Savings


Weatherization Service Value


Average 1st Year Savings

Rebates for Wall Insulation


Energize CT Rebate: $1.70 per Square Foot
Avg. Initial Cost $1500-$10000
Max Rebate N/A
Avg. Lifetime Savings $4000

Claim up to $1.70 per square foot on approved insulation projects recommended during a Home Energy Solutions assessment.This may cover between 75-100% of insulation costs!

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IRA Tax Credit: % of Costs
25C Max Credit $1600
25D Max Credit Uncapped

The Inflation Reduction Act tax credit for weatherization in Connecticut offers homeowners a 30% tax credit for eligible projects, with a maximum claim of $1,200 per year. It covers insulation, air sealing, doors, windows, and energy audits. Weatherization reduces energy waste, lowers bills, and improves home comfort while decreasing carbon emissions.

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IRA Electrification Rebate: $1600
Upfront Discount 50%-100% of Costs
Avg. Initial Cost N/A

Connecticut homeowners may be eligible to claim up to $1,600 for their weatherization project through the Inflation Reduction Act Electrification Rebate program, depending on their income. Low-income households can receive 100% coverage of weatherization costs, while moderate-income households can receive 50% coverage. (The total cap for Electrification Rebates across all qualified projects is $14,000.)

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Other Areas to Install Insulation


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