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
Duwaco provides heat pump water heaters, air ventilators, air conditioner, solar panels, heating system, with show rooms both in holland and in china for visiting.
Duwaco new product: the aio multi tanks (all-in-one): cooling in summer; heating in winter; hot water.
Freight: freight of samples will be charged first and balanced in former orders.
Cartons with/out wooden box
