Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2025 08/21/2020 - 07:47 7.0302.1b Equipment selection

Select a water heater that:

has an Energy Factor (EF) of 0.93 or better

fits in the installation space with required clearances

provides sufficient hot water for the home and occupants

Select efficient and properly sized water heater

 Good change. DOE and EC approved previously. Black Line
Version 2025 08/21/2020 - 07:47 7.0302.1b Equipment selection

Select a water heater that:

has an Energy Factor (EF) of 0.93 or better

fits in the installation space with required clearances

provides sufficient hot water for the home and occupants

Select efficient and properly sized water heater

 Good change. DOE and EC approved previously. Black Line
Version 2020 08/14/2020 - 14:28 7.0302.1b Equipment selection

Select a water heater that:

is ENERGY STAR certified, equivalent, or better

has an Energy Factor (EF) of 0.93 or better

fits in the installation space with required clearances

provides sufficient hot water for the home and occupants

Select efficient and properly sized water heater

 Black Line