Boiler, hot water tanks and distribution pipe-work in greenhouses should all be adequately lagged, kept weatherproof and in good repair
Reduce energy used to heat greenhouses
Reduce direct energy use
Reduction in fossil fuel use
Decrease consumption of non-renewable energy sources
Reduce carbon dioxide emissions from combustion
Reduce GHG emissions - carbon dioxide
Efficient use of resources - energy
Decrease farm costs
Economic viability