Maryland HB153 mandates air-conditioning in rental units in apartment buildings with four or more units, starting June 1, 2026, for new units and.

Maryland HB153 establishes air-conditioning requirements for residential rental units in apartment buildings with four or more units. The law mandates that landlords provide air-conditioning in each unit from June to September 30 each year, maintaining temperatures at no greater than 82 degrees Fahrenheit at six feet above the floor level in habitable spaces. This applies to newly constructed units starting June 1, 2026, and to units undergoing renovation that includes electrical or heating system upgrades starting October 1, 2026.

Maryland HB153 mandates air-conditioning in rental units in apartment buildings with four or more units, starting June 1, 2026, for new units and.

Maryland HB153 establishes air-conditioning requirements for residential rental units in apartment buildings with four or more units. The law mandates that landlords provide air-conditioning in each unit from June to September 30 each year, maintaining temperatures at no greater than 82 degrees Fahrenheit at six feet above the floor level in habitable spaces. This applies to newly constructed units starting June 1, 2026, and to units undergoing renovation that includes electrical or heating system upgrades starting October 1, 2026.