|
![]() |
| In the summer, energy-efficient windows keep the sun's heat outside. |
![]() |
| In the winter, energy-efficient windows keep your home's warmth inside. |
![]() |
| The sun's heat passes straight through conventional windows |
![]() |
| Two panes of glass help block outside heat. |
![]() |
| Argon gas, combined with Low-E coatings, provides the greatest energy-benefits. |
![]() |
| Low-E coatings work to seriously increase energy efficiency. |
![]() |
| Windows must maintain airtight seals or risk ruining their energy efficiency. |
Thermal Expansion is used to describe the amount a material expands in hot temperatures and shrinks in cold temperatures. When window frame materials expand and contract at very different rates, it causes stresses and strains to the different window parts that result in cracks and gaps where air leakage can occur.