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which means spaces which utilise this technology can take up to four hours to reach optimum temperature. Equally, they may take hours to cool back down which could mean long lead times to adjust the temperature in line with changing demand. From an energy efficiency perspective, a system such as the above equates to around 1.97m3 of gas when used with a traditional condensing boiler for start-up consumption, and, given that electricity is generally eight pence more than gas per kW hour, installing a heat pump is likely to be similarly expensive.


So, what is the answer to making the most of a heat pump powered heating system? Low-H2O radiators used in connection with fan-assisted technology are well suited to low temperature systems like heat pumps. Studies conducted by independent body BRE have shown that Jaga’s Low- H2O radiators are up to 15% more economical compared to standard steel-panel radiators, as they are able to achieve the desired temperature more rapidly, and less heat is wasted through unnecessary over-heating. By utilising fan assisted DBE (Dynamic Boost Effect) technology, air flow and heat output levels are boosted to easily meet occupants’


temperature needs quickly and efficiently. Thismeans that there is no need to compensate for the low water temperature system by radiator oversizing, making Low-H2O with DBE a suitable partner for heat pumps. The DBE product has the added advantage of being ‘whisper quiet’ and low voltage power consumption. DBE can also be retrofitted to existing Jaga Low H2O


Heat pumps


products (depending on dimensions) for any renovation projects.


A working example of a system incorporating heat pumps and Low-H2O radiators is Brindley Lodge owned by Churchill Retirement Living. Here, heat pumps were used to provide ample warmth whilst using minimal energy. Jaga’s wide range of Dynamic Boost Effect (DBE) radiators perform at their best with low flow temperature systems, and the Strada DBE was recommended as the optimal solution. Its high output and responsiveness, safe to touch panelling and low carbon footprint makes it a suitable radiator for utilising the benefits of heat pump technology at residential developments. While the apartments are generously proportioned, the contemporary yet timeless, slim-line design further


ensures the Strada radiators do not overly intrude into the usable space. The fact that the radiators always remain at a safe surface temperature was another important consideration for specification in such an environment with vulnerable residents. Specifiers may find they have to work around an existing underfloor setup, either because a system is already installed, or simply because a client particularly likes underfloor heating. In cases such as these, Low-H2O radiators can also provide a solution. By combining underfloor heating with Low- H2O radiators, a low baseline of heat can be provided by the underfloor system, supplemented by dynamic boosts of heat from the highly responsive radiators, meaning greater levels of thermal control are achieved more quickly and more consistently.


BOOK NOW TO A


MEETING THE GRENFELL


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AVOID DISAPPOINTMENT LANDSCAPE


CARILLION CA


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AT


BESA NATIONAL A TIONAL CONFERENCE & AW ARD AWARDS 2018


‘ENGINEERING THE FUTURE’ Thursday 1 November | Park Plaza Victoria, London


HEADLINE SPONSOR:


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LIFE AFTER BREXIT


Join us in the evening for a black tie gala dinner where we will be celebrating the brightest talent in the building engineering sector at the BESA National Awards.


Media Partners: BSEE Building Services & Environmental Engineer


Tickets are available from just £60 Visit: www.thebesaconference.com


HEA ATING & VENTILA ATING REVIEW


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