dual fan medium complex hot heater

GRH20F-S AND GRH40F-S coal burning heating machine have following features: THE MOST IMPPRTANT FEATURE IS MAKE FULL USE OF THE HEAT IN THE BOTTOM, WE CHANGE THE HEAT IN THE BOTTOM CHANGE INTO HOT WATER THEN CHANGE THE HOT WATER INTO HOT WIND, AND THE HEAT USING BECOME 10% MORE 1. Multiple hot exchange technology, the real way to saving energy, we have applied 14 patents for this machine. 2. Anti-ablate patent technology, making machine long life, this technology let the machine using life more than 8 years. 3. Machine controls automatic safety and easy. You can set the temperature you want then it runs automatically. 4. fresh air, controllable temperature 5. The particular dual blower design. 6. Flexible installation ways SizeHeat producingkj/hWind outletm3 / hHeating supply aream2Wind outlet temperature°CHeatingEfficiencyCoal burningkgGRH20F-S8360008000900-1200150≥9230GRH40F-S1672000120001300-1800150≥9258our partner