Section 12-510 - Master control device in hotels(a)(1) In this section the following words have the meanings indicated.(2)(i) "Hotel" means an establishment that offers sleeping accommodations for compensation.(ii) "Hotel" does not include a bed and breakfast establishment.(3) "Master control device" means: (i) a control that is activated when a person enters the room through the primary room-access method; or(ii) an occupancy sensor control that is activated by a person's presence in the room.(b) This section applies only to the new construction of hotels.(c)(1) Each hotel guest room shall be equipped with a master control device that automatically turns off the power to all of the lighting fixtures in the guest room no more than 30 minutes after the room has been vacated.(2) A master control device may also control the heating, ventilation, or air conditioning default settings in hotel guest rooms 30 minutes after a room has been vacated by:(i) increasing the set temperature by at least 3 degrees Fahrenheit when in the air conditioning mode; or(ii) decreasing the set temperature by at least 3 degrees Fahrenheit when in the heating mode.(d) The Department shall adopt the provisions of this section as a part of the Maryland Building Performance Standards.