The Thermacell building system is a highly energy efficient building system because polystyrene is the world’s best insulator. The polystyrene itself totally encases the concrete core and so no leakage of heat is possible. When coupled with double-glazed windows and good insulation in the ceiling, an energy efficient building is achieved.

Anywhere from 85% to 90% of heating and cooling costs are eliminated in a Thermacell home, when compared to other uninsulated building systems.
When you extrapolate the costs of heating any home through the winter, and the costs of cooling it through the summer, you can easily imagine how energy costs skyrocket through inefficient insulation.

Thermacell blocks are the ultimate insulator, with the result that they slash both heating and cooling costs - so your house stays at the right temperature, for longer, through all seasons.