Cure condensation dampness and remove allergens and pollutants from the home with the low-energy Flatmaster 2000 designed for apes WITHOUT LOFTS. The Flatmaster 2000 offers a low-cost, whole-home ventilation solution with an additional heating element which tempers the air flow that enters your property. Unlike our original Flatmaster, our Flatmaster 2000 range comes in 2 models: Left (Flatmaster 2000L) and Right (Flatmaster 2000R) hand discharge.