Exhaust Air Source Heat Pump is an energy efficient heating & Ventilation system. It extracts warmth from the extracted indoor air removed from bathrooms, kitchen, Utility and uses it to heat the space via radiators or underfloor and domestic hot water fro showers. The process involves taking stale air from the wet rooms , passing it through the heat pump located indoors, and then releasing the cooled air to outside. The technology is environmentally efficient, reduces energy consumption and provides a comfortable indoor climate. Ideal for apartments it offers a compact solution for heating, hot water & ventilation needs.