Air Purifiers Save $40 on an Air Purifier Apply for a Rebate How to Get Your Rebate Shop online at Delmarva Power's Marketplace and receive an instant rebate. Shop at any Maryland retailer and apply for your rebate online or through the mail. Track its status online, too. Find Qualified Air Purifiers The ENERGY STAR® Difference ENERGY STAR certified room air purifiers are almost 25% more energy-efficient than standard models, saving consumers about 120 kWh/year and $15 annually on utility bills. These savings could add up to $120 over its lifetime! * Get an Easy $50 for Recycling Appliances! It pays to recycle. Recycle your old, working refrigerator or freezer and get $50—plus pickup and disposal at no cost. You can get an extra $25 if you recycle a working room air conditioner or dehumidifier at the same time. Learn more about our Appliance Recycling program. *Source: energystar.gov