| Opening your windows, running extractor fans and leaving trickle vents  open can cost you c40% of your  heating bill.  Wasting heat is bad not only for your wallet but also causes us to  burn more fossil fuels than we need,  contributing to global warming. Shutting up your home is also not good as  the air inside your home could  be  up to 10 times more polluted than the air outside Significant improvements in air quality can be achieved by changing the air continuously in your home.  With heat exchanger technology or heat recovery units it possible to circulate fresh air in your home with out wasting the heated air. Heat  can be recovered from the  extracted air and can then be made available to raise the temperature of the incoming air. Improving the air quality in your home has positive health benefits for sufferers of the following allergies: 
                  Asthma Bronchial Attacks Eczema Hay Fever      |