Maryland SB12 mandates air-conditioning in residential rental units in apartment buildings with four or more units, starting June 1, 2026, for new.

Maryland SB12 requires landlords to provide air-conditioning in residential rental units in apartment buildings with four or more units. The requirement applies to new units starting June 1, 2026, and to units undergoing renovation that includes electrical or heating system upgrades starting October 1, 2026. Landlords must ensure the temperature does not exceed a specified degree Fahrenheit at a certain height above the floor level in each habitable space.

Maryland SB12 mandates air-conditioning in residential rental units in apartment buildings with four or more units, starting June 1, 2026, for new.

Maryland SB12 requires landlords to provide air-conditioning in residential rental units in apartment buildings with four or more units. The requirement applies to new units starting June 1, 2026, and to units undergoing renovation that includes electrical or heating system upgrades starting October 1, 2026. Landlords must ensure the temperature does not exceed a specified degree Fahrenheit at a certain height above the floor level in each habitable space.