KELLY ESTATES and LETTING AGENTS has a home that has energy efficient features such as a high-efficiency condensing boiler, solar panels providing free hot water, upgraded high performance insulation to the walls, floor and roof and airtight construction controlling the flow of air in and out of the house, this controlled airflow through the house regulates humidity, preventing mould growth and eliminating allergens such as dust mites. One of the most interesting innovations is the use of air ha...