Home » Products » Oil heating systems Mira – The unique MIRA low-energy oil-fired boiler (4.7 – 14.0 kW). Modern living means reducing energy requirements. The MIRA low-energy oil-fired boiler satisfies this requirement with its globally patented Perpetum burner. EcoWIN – Technical perfection in an innovative design (15 – 30,4 kW). Heating with oil is particularly convenient, simple and above all, safe. With the EcoWIN oil condensing units, WINDHAGER ZENTRALHEIZUNG has made these good qualities even better. The use of the latest oil condensing technology guarantees first-class heating convenience and a level of energy use of up to 103%. JetWIN oil unit (13.6 – 55 kW). JetWIN oil units appeal through their particularly reliable heating technology and efficient operation. Here, decades of experience in pressure atomisation technology has been brought to perfection.