Window U Factor Chart

Window U Factor Chart - It indicates how well a window prevents the loss of heat. Resistance to heat flow is what makes a window insulated. In this case, higher resistance equals better insulation.

In this case, higher resistance equals better insulation. It indicates how well a window prevents the loss of heat. Resistance to heat flow is what makes a window insulated.

In this case, higher resistance equals better insulation. Resistance to heat flow is what makes a window insulated. It indicates how well a window prevents the loss of heat.

In this case, higher resistance equals better insulation. Resistance to heat flow is what makes a window insulated. It indicates how well a window prevents the loss of heat.

It indicates how well a window prevents the loss of heat. In this case, higher resistance equals better insulation. Resistance to heat flow is what makes a window insulated.

It Indicates How Well A Window Prevents The Loss Of Heat.

In this case, higher resistance equals better insulation. Resistance to heat flow is what makes a window insulated.

Resistance to heat flow is what makes a window insulated. In this case, higher resistance equals better insulation. It indicates how well a window prevents the loss of heat.