Cellulose Insulation (Blown-In): Made primarily from recycled paper products and treated with boric acid for added fire resistance and pest resistance, cellulose insulation is a safe and durable option for many homes. Cellulose can be installed as either loose-fill or dense-pack insulation. Dense-pack cellulose is commonly used when filling exterior wall cavities, as it is tightly packed to reduce air movement and improve thermal performance. It performs especially well in older homes and is effective at filling irregular or hard-to-reach spaces where other insulation types may fall short.

Fiberglass Batts: Commonly used in walls and attics. They are cost-effective and widely available, though proper installation is important to avoid gaps or compression. Oftentimes fiberglass batts are installed in such a way that their effectiveness is diminished.

Spray Foam: Expands to seal gaps and cracks, providing both insulation and air sealing. It offers a high R-value per inch but is typically used in new construction or major renovations due to its application method.

Rigid Foam Boards: Installed on exterior walls, foundations, or basements to reduce thermal bridging. They provide consistent insulation and are often used where space is limited.

Reflective Barriers: Designed to reduce radiant heat transfer. These are most effective in hot climates or attics exposed to direct sunlight and are typically used alongside other insulation types.