I ordered my Aquah Premium Direct Vent Propane Tankless Water Heater at the end of March this year and installed it early in April. The installation went smoothly and I am enjoying the product. It did react to water pressure changes coming from the well pump, and I installed a regulator to minimize that. (I have not yet adjusted the minimum pressure on the pump switch to 45 psi to which the pressure regulator came factory set, but the 5 psi spread is not objectionable.) The propane usage is very conservative and the space occupied by the heater is minimal. I would definitely buy one of these again if converting another garage to living quarters.