Pearl can certify single family detached homes as well as single family attached homes that share a common walls (such as townhomes, duplexes, and quads), but that have independent space heating and cooling system, water heating systems, foundations, and attics.
Pearl certifies the individual characteristics of these homes, provides a Pearl score, and assigns an appropriate Pearl tier (Silver, Gold, Platinum).
Pearl's system is not optimized to certify residential units that share common systems (heating and cooling, water heating) or do not have their own foundation and/or attic (e.g. a third floor apartment in a 5-story multifamily building). While Pearl may be able to certify specific assets in these types of units (e.g., ENERGY STAR appliances, efficient lighting, etc.), Pearl cannot score the home or assign a Pearl tier.
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