The WaterFurnace Engineering Laboratory is well recognised for its industry leading developments such as the first dual-speed compressor unit, the Synergy 3D 3 in1 hydronic and forced air heat pump and the first unit (the Envision) to be certified with a heating COP of 5 and cooling EER of 30.
They can now claim another type of first for their testing procedures after recently receiving accreditation from the US EPA under the ENERGY STAR (R) program. This makes them the first US HVAC manufacturer to receive accreditation under ISO / IEC 17025.