A New Year brings fresh goals, new plans and a renewed desire to improve daily life. In the middle of winter, one resolution many homeowners share is simple: stay warm without spending more. If your home feels drafty, your floors are cold or your heating system is working overtime, the real problem might not be your furnace. It could be your insulation. As 2026 begins, foam insulation in Minneapolis and the surrounding areas is becoming one of the smartest and most effective upgrades for winter comfort and year-round savings.
Spray foam insulation is different from traditional insulation materials. Fiberglass and cellulose slow heat transfer, but they do not stop air movement. Even well-insulated homes can leak warm air through small cracks, gaps and penetrations in framing, attics and rim joists. In winter, those small leaks become steady pathways for cold air to enter and heated air to escape. Spray foam does more than insulate. It seals. When applied, it expands into gaps, hard-to-reach voids and uneven surfaces, forming a continuous barrier that blocks winter air from moving where it shouldn’t.
Comfort isn’t only about reaching the right temperature. It’s about keeping it consistent. Foam insulation solves three major winter issues at the source. First, it stops drafts. Cold air sneaks in around attic hatches, electrical boxes, plumbing stacks, recessed lighting and wall seams. Spray foam expands into those tiny spaces, preventing drafts that create noticeable chills along exterior walls or near outlets. Second, it balances room temperatures. When one bedroom feels warm and another feels unbearably cold, it’s almost always due to insulation gaps or air infiltration inside wall cavities. Foam insulation fills those voids completely, helping your home maintain even temperatures in every room. Third, it reduces HVAC strain. When warm air escapes nonstop, heating systems run longer, cycle harder and consume more energy. Sealing the building envelope allows your furnace or heat pump to run normally again, lowering energy use, reducing repair frequency and supporting a longer system lifespan.
Winter moisture issues can cause expensive damage long before they’re noticed. Condensation inside walls and attics leads to mold, wood rot and ice dams. Closed-cell spray foam helps protect your home by insulating while also limiting moisture movement. When warm, humid indoor air meets freezing surfaces inside wall assemblies, condensation forms. Spray foam prevents that air from reaching those cold surfaces in the first place, reducing the conditions that lead to moisture damage. This makes foam insulation one of the most reliable ways to defend your home against winter moisture problems.
Many homeowners ask about winter installation, especially in January when efficiency upgrades are top of mind. Spray foam can absolutely be installed during winter when applied by trained professionals. Surface temperatures, product conditions, expansion and curing are carefully monitored to ensure proper adhesion and long-term performance. Winter installation isn’t a limitation. It’s an advantage. The sooner leaks are sealed, the sooner comfort improves and savings begin.
Durability is another major benefit. Foam insulation doesn’t sag, settle, compress or shift over time. Once applied, it stays exactly where it was installed, continuing to perform through harsh seasons and temperature swings. Many homeowners feel the improvement almost immediately: warmer walls, quieter rooms, longer heat retention and fewer cold pockets even when winter temperatures reach their peak.
If 2026 is the year you want better comfort, lower energy waste and real winter protection, foam insulation delivers meaningful benefits every day. Lewis Insulation helps homeowners seal out the cold and lock in long-term efficiency. Reach out today for a quote and begin improving your home’s winter performance from the inside.
Winter won’t last forever, but better insulation keeps working long after spring arrives. For more information about foam insulation in Minneapolis or the rest of the Twin Cities area, call us at 763-477-2612 or contact us!





