The Maryland Comptroller's Office has announced that the sales tax holiday for energy efficient equipment designated as “Shop Maryland Energy Weekend” is scheduled for February 18, 2012 through February 20, 2012. During the Shop Maryland Energy Weekend, the following Energy Star products are exempt from sales and use tax: air conditioners, clothes washers and dryers, furnaces, heat pumps, boilers, solar water heaters, standard size refrigerators, dehumidifiers, programmable thermostats, and compact fluorescent light bulbs.