WAC 388-78A-2990
WAC 388-78A-2990. Heating-cooling—Temperature
The assisted living facility must:
(1) Equip each resident-occupied building with an approved heating system capable of maintaining a minimum temperature of 70°F. The assisted living facility must:
(a) Maintain the assisted living facility at a minimum temperature of 60°F during sleeping hours; and
(b) Maintain the assisted living facility at a minimum of 68°F during waking hours, except in rooms:
(i) Designated for activities requiring physical exertion;
(ii) Where residents can individually control the temperature in their own living units, independent from other areas; or
(iii) Where residents cannot individually control the temperature in their own living units, maintain all living units at a temperature range of 70°F to 75°F;
(2) Equip each resident-occupied building with a mechanical air cooling system or equivalent capable of maintaining a temperature of 75°F in communities where the design dry bulb temperature exceeds 85°F two percent of the year per the ASHRAE standards;
(3) Equip each assisted living facility with a backup source of heat in enough common areas to keep all residents adequately warm during interruptions of normal heating operations;
(4) Prohibit the use of portable space heaters unless approved in writing by the Washington state director of fire protection;
(5) Equip each resident sleeping room with individual temperature controls located between eighteen and forty-eight inches above the floor capable of maintaining room temperature plus or minus 3°F from setting, within a range of minimum 60°F to maximum 85°F, these individual temperature controls may be modified to prevent resident access only when:
(a) Appropriate, as documented in resident assessment(s) and their negotiated service plan; and
(b) The temperature range is maintained at a range of 70°F to 75°F.