 MacCracken also invented the SunMat roll-out solar collectors, comfort controls for space suits used by the Apollo program, the JetHeet furnace, the AquaJet water powered sump pump, the KPad for burn victims, the HI-V high velocity furnace with flexible duct system for adding central heating and air conditioning to homes and the Roll-A-Grill hot dog cooker.Another of MacCracken's inventions was the Alumazorb low-emissivity ceiling that dramatically reduces radiant heat loads from the warm ceiling to the cold ice below, reducing energy consumption for freezing ice by up to 30 percent.MacCracken was so far head of his time, that on a “futuristic” 1953 T.V show  entitled 2000 A.D., he correctly predicted, in detail, the coming of the Solar Age.