January reckonings..........
Winter is the season when we tend to become more aware of our heating systems and more crucially, how much they cost us to run. Although outside temperatures are uncharacteristically mild at the moment, they have been much lower. For example, the lowest recorded temperature this year was -12.4 ºC in Kinbrace, Sutherland (19th January) Brrrrr.... The relationship between conventional fuels - such as oil and gas - and the heat output is straightforward, and usually just depend