Radiant Barrier for windows is a relatively recent entry into the arena of energy efficiency yet it grapples with the one of the largest areas of energy use, the constant migration of heat in and out of buildings through glass.

Radiant heat movement accounts for 80% of all heat movement, so it would stand to reason that controlling that migration would increase efficiency.

Balancing interior spaces through less transference of heat during both Winter and Summer, creates a stable and comfortable building envelope.

An efficient building envelope is the base from which all other efficiency measures should be evaluated.