Special insulation along mulling points and R-core® insulation for warmer windows and lower energy bills.
Operating casement windows seal tight for extremely low air infiltration rates.
Our Hi R+Plus multi-layer vacuum-deposition soft-coat Low-E glass series allows you to choose from among the best insulating glass systems available.
Optional insulated seatboard adds increased energy efficiency.
Designed to be maintenance free.
Solid uiPVC construction is virtually maintenance free.
Casement hardware allows windows to be cleaned from inside the home.
Decorative grids are inside the insulated glass unit to allow easy window cleaning.
Optional Easy-Clean™ glass needs cleaning half as often and with half the effort of ordinary window glass.
Performance guaranteed to last.
Fusion-welded construction provides extra strength.
Intercept warm edge insulated glass offers increased strength and higher R-values — standard on most products.
Entire window unit is covered by a transferrable lifetime limited warranty.
Standard cable-support system makes bay and bow installation easier and stronger.
Let us show you the Perfect
A Promise of Perfection
We’ve taken the best parts from All the top windows,
eliminated everything that isn’t 1,000% optimal and engineered the only
window in Kansas City that Promises and Delivers Perfection.
Not just great windows. Great service.
Thermal King Windows are guaranteed to never stick, rot, warp, fade or fail.
In fact, if they do, we will replace it... PERIOD.
Our windows are easy to clean,
always look new and require practically no maintenance.