Home Biographies Gallery Contact Us Awards & Recognitions Blog		Design / Build  |   Energy Services  |   Small Projects  |   Home Maintenance Most houses in the Washington metro area are colder and leakier than they should be. Energy conservation is the least expensive and most easily attained method of being greener. How can you improve the energy efficiency of your home? Window Replacement ranks near the bottom of the energy efficiency ladder A replacement window costs anywhere from $250 to $1,200 installed. That window might save you as much as $15 per year in energy savings. That calculates out to somewhere between a 16 and 80 year payback. One third of all air leakage in a home occurs through the walls, floors and ceilings. Cold Walls Cold Floors Schedule your Home Energy audit Today Remediation to correct these items is not only inexpensive, but can make a huge difference in the comfort level of your home. MARK IV Builders, Inc | 5161 River Road Bethesda, MD 20816 | (240) 395-0400		Bethesda Magazine Ad "Partners" Join our Newsletter Sign Up and receive weekly energy saving tips!