IECC section C404.9.3 is amended to read as follows:
C404.9.3 Covers. Heated pools and inground, permanently installed spas shall be provided with a vapor-retardant cover. Covers for heated swimming pools shall comply with Minnesota Rules, part 4717.1575, the Minnesota Department of Health pool cover safety standard. Pools heated to more than 90°F shall have a pool cover with a minimum insulation value of R-12.
Exception: A vapor-retardant cover is not required for pools deriving over 75 percent of the energy for heating from site-recovered energy, such as a heat pump or solar energy source computed over an operating season.
39 SR 1616; 44 SR 763
April 1, 2020
Official Publication of the State of Minnesota
Revisor of Statutes