Stiebel Eltron is an internationally recognised manufacturer of quality space and water heating systems.

The primary focus of their product development is to produce products that use less energy, are much safer, and give consumers higher levels of comfort in their homes.

The 5x4 Project has used their LWZ 370 Plus Ventilation System.
It is the largest ventilation system developed by Stiebel Eltron in Australia that includes heat recovery, and is ideal for low energy buildings and passive houses'.

The unique design is able to deliver up to 90% heat recovery whilst providing optimal indoor air quality.

To read more about their innovative designs, please see Stiebel Eltron's website