D.C. Mun. Regs. tit. 12, 12-I401
Strike Sections R401.2 and R401.3 of the International Energy Conservation Code in their entirety and insert new Sections R401.2 and R401.3 into the Energy Conservation Code-Residential Provisions in their place to read as follows:
Projects shall comply with one of the following:
For new construction and Level 3- alteration projects, an approved permanent certificate shall be completed by the builder or registered design professional and posted on a wall in the space where the furnace is located, a utility room or an approved location inside the building. Where located on an electrical panel, the certificate shall not cover or obstruct the visibility of the circuit directory label, service disconnect label or other required labels.
The certificate shall list the predominant R -values of insulation installed in or on ceiling/roof, walls, foundation (slab, basement wall, crawlspace wall and floor) and ducts outside conditioned spaces; U -factors for fenestration and the solar heat gain coefficient (SHGC) of fenestration, and the results from any required duct system and building envelope air leakage testing done on the building. Where there is more than one value for each component, the certificate shall list the value covering the largest area.
The certificate shall list the types and efficiencies of heating, cooling and service water heating equipment. Where a gas-fired unvented room heater, electric furnace or baseboard electric heater is installed in the residence, the certificate shall list "gas-fired unvented room heater," "electric furnace" or "baseboard electric heater," as appropriate. An efficiency shall not be listed for gas-fired unvented room heaters, electric furnaces or electric baseboard heaters.
D.C. Mun. Regs. tit. 12, 12-I401