The sun is by far the most abundant source of energy available on earth. Energy arriving at the earth's surface by way of solar radiation over a period of 40 minutes is the equivalent of the power used by the entire population of the earth in one year.
Many people have, and many are reluctant to change it because they cannot find a replacement to comply with Building Regulations (Part L) which was introduced on the 1st April 2005. In many cases people are feeling that they are being forced to change their ageing but much loved warm air system to a conventional system with radiators simply because there is no alternative on the market.
What is the Unico System?
The Unico System is a small duct central heating, air conditioning and ventilation system manufactured by Unico System International Limited (USIL), headquartered in Wales. The product has been on the market in the United States and Canada for the past 20 years, and over 250,000 of these systems have been installed there. The system has been profiled in numerous North American magazines and media outlets, most prominently on the television programme This Old House.