Section 602.2, Residential occupancies, is deleted in its entirety and the following provisions shall be substituted therefor:

Dwellings shall be provided with heating facilities capable of maintaining a room temperature of 68ºF (20ºC) in all habitable rooms, bathrooms and toilet rooms. Cooking appliances shall not be used, nor shall portable unvented fuel-burning space heaters be used, as a means to provide required heating.

Section 602.3, Heat supply, is deleted in its entirety and the following provisions shall be substituted therefor:

Every owner and operator of any building who rents, leases or lets one or more dwelling units or sleeping units on terms, either express or implied, to furnish heat to the occupants shall supply heat to maintain a temperature of not less than 68ºF (20ºC) in all habitable rooms, bathrooms and toilet rooms.

Exceptions:

1. When the outdoor temperature is below the winter outdoor design temperature for the locality, maintenance of the minimum room temperature shall not be required provided that the heating system is operating at its full design capacity. The winter outdoor design temperature for the locality shall be as indicated in Appendix D of the International Plumbing Code.

Section 602.4, Occupiable work spaces, is deleted in its entirety and the following provisions shall be substituted therefor:

Indoor occupiable work spaces shall be supplied with heat to maintain a temperature of not less than 65ºF (18ºC) during the period the spaces are occupied.

Exceptions:

1. Processing, storage and operation areas that require cooling or special temperature conditions.

2. Areas in which persons are primarily engaged in vigorous physical activities.