A), up to 50% more economical with regard to energy costs than natural gas systems (in combination with solar panels, the savings may even be as high as 85%!); B), 50% cheaper than a system that uses ground drilling; C), yield extra savings as a gas connection is no longer needed; D), top efficiency, 4 times more than the best condensing boilers; No fire or co hazard; E), multifunctional, since the system can be connected to wall and under floor heating and high efficiency radiators; F), contribute to a large reduction in co2 emission and other harmful substances; G), double function: heating in the winter, cooling in the summer; H), 2-year manufacturer’s warranty; The 2-year manufacturer’s warranty can be extended by a maintenance contract of 5, 8, 12 or 15 years. 24 cartons per 20' container