Ventilation

Heat recovery ventilation systems help provide fresh air without sacrificing too much indoor heat. They can also help reduce your energy consumption.
Rather than extracting air and replacing it with air that is from the outside, heat recovery will draw in heat from the extracted air and passed this to air which is being filtered from the outside.
The systems work by using precious warm air or water in the building and using it in a more cost efficient way.
They can also help you reduce your energy consumption and heating requirements by operating at a lower rate, allowing you to significantly lower your energy bills.