Without an incentive, homeowners and contractors may limit themselves to smaller upgrade projects. Programs in search of more energy savings have found that some homeowners already interested in an upgrade are amenable to a bigger upgrade when coupled with better financing terms or larger rebates...
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Home Performance with ENERGY STAR
Home Performance with ENERGY STAR’s new HPXML Implementation Guide helps energy efficiency program administrators and software developers overcome fragmented data exchange by integrating HPXML (home performance extensible markup language) into their operations and products. HPXML is a set of common definitions for the attributes of home systems based on Building Performance Institute data standards and the computing language that facilitates the quick and easy transfer of home-related data between different markets.