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Although replacement window companies would like you to believe otherwise, there are many factors that determine how your house uses, loses and wastes energy.
Like insulation, HVAC equipment, lighting, and water heating, the windows and doors in a house have an impact on energy performance.
But there are some common misconceptions about how replacing windows and doors will impact energy efficiency and reduce monthly utility expenses.
Building scientists (the experts who study all aspects of home performance) explain that the best way to identify energy-saving opportunities is to have a home energy audit performed.
Like a comprehensive health checkup, a home energy audit evaluates every factor that figures in your energy bill- from appliances and lighting to insulation, air leakage and (of course) windows and doors. More often than not, homeowners discover that new windows and doors are not the highest priority improvements to be made.
The surest way to "green" your home with an energy-saving plan is to have a comprehensive energy audit performed by Dr. Energy Saver Cleveland. When this audit is complete, you'll know exactly where your home's strong and weak points are in terms of energy performance. And you'll know exactly what repairs and improvements should be done, and in what order--a customized, cost-effective energy-saving plan.
Windows and doors are part of a home's "building envelope," the "skin" that encloses the living space and contains components such as exterior siding, sheathing, insulation, and gypsum board. In a typical house, air leakage and inadequate insulation are responsible for greater energy loss than windows and doors. Improving these two building envelope factors can cut heating and cooling costs by 20%.
Cost is another reason that home energy experts often recommend air sealing and insulation upgrades before window and door replacement. While installing new replacement windows throughout an entire house could cost $15,000, air sealing and insulation upgrades can often be completed for under $5000.
