Princeton, NJ Insulation Services by Koala Insulation Mercer-Middlesex

Princeton, NJ is renowned for its historic architecture, prestigious university, and elegant homes—from classic colonials to Tudor-style estates. With freezing winters, humid summers, and aging housing stock, insulation upgrades are essential for year-round comfort and efficiency. Koala Insulation of Mercer-Middlesex provides custom insulation solutions that respect the charm of older homes while meeting modern energy standards.

Our Princeton, NJ Insulation Services

Spray Foam Insulation

Spray foam insulation is ideal for hard-to-seal attics, crawl spaces, and unique architectural features found in many historic Princeton homes. Learn more

Blown-In Insulation

Blown-in insulation offers a minimally invasive way to boost R-values in older homes without disturbing finished walls or ceilings. Learn more

Batt Insulation

Batt insulation is a cost-effective option for walls and renovations—ideal for finished basements, additions, or rental units near campus. Learn more

Attic Insulation

Attic insulation improves heating and cooling performance across all seasons and is especially helpful for larger homes with complex layouts. Learn more

Crawl Space Insulation

Crawl space encapsulation helps reduce dampness, protect hardwood floors, and prevent mold in older Princeton residences. Learn more

Commercial Insulation

We insulate faculty housing, boutique retail, and professional buildings with efficiency and care. Learn more

Air Sealing

Air sealing addresses energy loss in attics, walls, and basements—critical for older homes with original construction gaps. Learn more

Solar Attic Fans

Solar attic fans quietly ventilate warm, humid air from attic spaces, improving HVAC efficiency and roof health. Learn more

Schedule a Free Estimate

Koala Insulation of Mercer-Middlesex is your trusted partner for insulation services in Princeton. Book your free estimate today and upgrade your home’s comfort and efficiency.