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Starting with the manufacture of the first coil immersion heater in a backyard workshop in Germany in 1924, Stiebel Eltron has built an excellent reputation as a supplier of quality domestic and commercial heating system technology. A family business originally founded by Dr. Theodor Stiebel, to this day the company adheres to the maxims of its founder, to produce innovative products of the highest standard of quality. The company's wealth of experience is reflected in the numerous patents granted to its innovative products.

Stiebel Eltron is one of the leading manufacturers of domestic and commercial system technology, including domestic hot water, central heating and air-conditioning. During the last few decades, Stiebel Eltron has advanced to become one of the major producers in the Renewable Energy sector.

Stiebel Eltron manufactures Heat Recovery Ventilation Systems to the same exacting standards as other products in its renewable energy portfolio, including Heat Pumps, Solar Thermal Panels and Cylinders.

Stiebel Eltron LWZ 70 Heat Recovery Ventilation System

Using the Countercurrent Flow System, the LWZ 70 – 270 Product Range extracts thermal energy from extract air and uses this energy to heat up the incoming fresh air. Thanks to this innovative method, up to 90% of the heat energy can be recovered.

The LWZ 70 – 270 range is well suited to supplying fresh air to both Houses and Apartments as a central Heat Recovery Ventilation System.