7 Easy Steps to an Energy-Efficient Apartment IMT | 2017 | Graphics 7 Easy Steps to an Energy-Efficient Apartment is your guide to simple, energy-saving solutions in your space. IMT created this resource in partnership with the District of Columbia Sustainable Energy Utility (DCSEU). Tag(s): Building Tenants Commercial Buildings Multifamily Buildings Program Area(s): Multifamily Download PDF Want to get regular updates from IMT? Email* Name* First Last Organization* PhoneThis field is for validation purposes and should be left unchanged.