46 HEATING & RENEWABLE ENERGY
heating controls with renewable heat sources is that the heat source can often be switched based on need and cost. Most homeowners will also enjoy having the flexibility and money saving benefits that usually come with renewables supplement- ing a boiler as the main heating source. Solar thermal panels for example, when used alongside smart heating controls, can work really well together to help reduce emissions and create efficient homes. When combined with a boiler and hot water cylin- der for instance, this delivers yet another way of providing hot water requirements for the household, and in turn reduces the reliance on the boiler. Typically, by harness- ing energy from the sun and converting it into usable heat, up to 60 per cent of a home’s hot water requirements can be fulfilled during the course of a year. Many new build property developments built on the gas grid are also well-suited to having boilers working alongside renew- ables such as solar thermal panels, or flue gas heat recovery systems. As a result, it is worth considering hybrid heating systems with smart controls for a variety of new build homes, not just those off the gas grid.
BOILER PLUS Since April 2018, all new and replacement gas-fired combi boiler installations in
England must comply with the Heat in Buildings ‘Boiler Plus’ policy. In short, the legislation details that boilers must have a minimum efficiency of 92 per cent ErP, and that each installation also needs to include time and temperature controls, in addition to one of the following four options: load compensation, weather compensation, a flue gas heat recovery device, or a smart thermo- stat with automation and optimisation. Many of the smart controls on the market today have at least one of these four energy-saving measures options, if not
more than one. The use of smart controls with these features in turn adds peace of mind for developers that the home is compliant with the policy. Overall, it is in the interest of housebuilders and developers to consider how smart controls can increase the sales appeal of new homes by helping to reduce energy bills and creating compliant homes.
Martyn Bridges is director of technical communication and product management at Worcester Bosch
WWW.HBDONLINE.CO.UK
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