It’s a scenario every homeowner knows well: the furnace blasts in winter, yet a chill lingers by the window, and in summer, the air conditioner runs non-stop while the upstairs remains stuffy. The immediate instinct is to call an HVAC company, but the true culprit is often not the equipment, but the old, inefficient windows [...] The post Stop Overworking Your HVAC: How Energy-Efficient Windows and Doors Improve Home Comfort appeared first on Custom Window Designs.