22 Heat Pump News B&ES updates good practice guide to heat pumps
THE BUILDING & Engineering Services Association (B&ES) has updated its good practice guide to heat pumps, TR30. The 50-page guide is designed to help building services engineers specify, design and install heat pump systems.
These systems are usually based on packaged heat pump equipment where components and controls for the refrigerant circuits are pre-assembled and tested. The emphasis in the guide is therefore on the installation
of these packages within the overall heating and cooling system.
TR30: Guide to Good Practice - Heat Pumps covers packaged heat pumps with electrically driven compressors, usually found in housing and small commercial premises. Head of technical and safety at B&ES, Bob Towse, said: “Heat pumps are important in many space heating and domestic hot water applications and are increasingly used as an alternative to conventional boilers.
Ecodan gains new selection tool
MITSUBISHI Electric has launched a dedicated Ecodan selection tool to coincide with the Government’s announcement that heat pumps are now included in the non-domestic Renewable Heat Incentive (RHI). The Department of Energy & Climate Change (DECC) has recently announced the inclusion of non-domestic air to water heat pumps and ground to water heat pumps in the RHI scheme, with respective tariff levels of 2.5p/kWh and 7.2p/kWh equivalent – tiered tariff with 8.7p/kWh for the first 15% of energy delivered and 2.6p/ kWh for any remaining. “We welcome the inclusion of heat pumps in the non- domestic scheme as we know that they provide one of the most straightforward ways for businesses to lower both their heating bills and their carbon footprints,” commented John
ACR News January 2014
Kellett, general manager of the company’s heating division.
All systems installed from 4 December are now eligible to claim the tariffs from spring 2014. The non-domestic tariffs are also paid on the total energy delivered, not the renewable energy delivered, as long as the installation achieves a minimum seasonal efficiency level of 2.5. The selection tool allows anyone to examine the viability of heat pumps for their building and shows both running cost comparisons against other technologies and payback periods, which take the RHI payments into account. “The heat pump market in the UK is now firmly established and RHI is going to help accelerate growth as more people realise how controllable, reliable and flexible the technology is,” added Mr Kellett.
The amount of heat produced by heat pumps is greater than the energy used to drive the process so the cost of heat provided by a heat pump can be less than the cost of heat provided by a boiler, even though the cost of electricity is greater than alternative fuel sources. “However, this depends on the installation parameters and these are comprehensively discussed in TR30.”
Mr Towse added: “The document also provides an overview of the different heat
pump applications with their benefits and limitations, as well as giving some outline design information for each of them.”
Small but might big win for Kensa
KENSA ENGINEERING led the way for small businesses and niche innovations at the recent South West Green Energy Awards, securing the title of ‘Business Innovation of the Year’ for the company’s newest innovation, the Shoebox Heat Pump. The miniaturised appliance is the smallest and quietest heat pump on the market, which means that the renewable technology can – for the first time – be installed inside a dwelling, creating a major new market opportunity. When combined with Kensa’s communal ground array, the Shoebox also receives an annual income through the Renewable Heat Incentive (RHI) and it is expected to play a significant role in helping the government achieve its target of installing 6.8m heat pumps by 2030.
Kensa’s managing director, Simon Lomax, who was presented the award at the event, commented: “We’ve created a new opportunity with the Shoebox that will hopefully lead the mainstream take up of renewable heating in domestic households.” Stephanie Gregory,
marketing manager for Kensa added: “Like other successful SME’s, Kensa is often wrongly under-estimated by larger competitors – and we can use this to our advantage. Being a small business is not a weakness, rather we see our business as a ‘concentrate’, a ‘purée’ of specialists if you like; we employ the very best and focus our skills, experience and expertise to sustainably grow the business and continually deliver award- winning innovation, all from our headquarters based in Truro.”
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