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The New York State Energy Research and Development Authority (NYSERDA), in collaboration with the New York State Department of Public Service (DPS), conducted a statewide residential baseline study (study) from 2011 to 2014 of the single-family and multifamily residential housing segments, including new construction, and a broad range of energy uses and efficiency measures.The study includes 3 separate study sections:1. HVAC: This dataset includes data from 47 completed Heating Ventilation and Air Conditioning (HVAC) contractor surveys. The survey sample was stratified by the size of the HVAC contractor company: 28 survey completes for small companies (defined as having 1-10 employees) and 19 survey completes for large companies (defined as larger than 10 employees.) The surveys focused on employer or company information, sales of energy efficient HVAC equipment, installation practices, training, and experience with NYS energy efficiency programs.2. Multifamily Owner/Manager (MOM): This dataset includes data from 219 completed Multifamily owner and manager surveys. The types of data collected during the survey cover property characteristics, heating and cooling equipment, water heating equipment, tenant appliances, lighting, purchasing decision, common areas, clothes washing and drying, and miscellaneous equipment. The data is segmented to cover both common space equipment and, to the degree possible, tenant-unit equipment, such as refrigerators or clothes washers that are included in the rental by the building ownership.3. Single/Multifamily Occupant (SMO): This dataset includes 2,982 single-family and 379 multifamily occupant survey completes for a total of 3,361 responses. The survey involved 2,285 Web, 1,041 telephone, and 35 mini-inspection surveys. The survey collected information on the following building characteristics: building shell, kitchen appliances, heating and cooling equipment, water heating equipment, clothes washing and drying equipment, lighting, pool and spa equipment, small household appliances, miscellaneous energy consuming equipment, as well as behaviors and characteristics of respondents.