Are there differences in window frames?
Despite most window frames looking the same from the outside, not all frames are created equal. Quite frankly, some are insulated and some are not. A hollow window frame allows air to circulate inside the frame. As a result, on an extremely cold or hot day, that heat or cold will transfer to the interior frame making it not only uncomfortable but will create a significant loss of your energy dollars. The Exclusive HR40 window frames are filled with a polyurethane foam – the same type of foam that insulates your refrigerator door and thermos. An R Factor is what determines the level of insulation provided by a material. The higher the R Value, the more effective the insulation. The HR40 frames have the highest frame R-Value in the business. The end result – ENERGY SAVINGS GUARANTEED IN WRITING TO SAVE A MINIMUM OF 40% ON YOUR ENERGY BILLS! Did you know that most window companies do not offer any WRITTEN GUARANTEE of energy savings at all? A good test of a great company and a great windo
