Horses for courses hen considering installing
W a heat pump , within a new build or existing property , the array of available products can be confusing . Here Richard Paine , Product Manager for Domestic Heating and Renewables at Daikin UK , discusses which application is best for each product ...
With proposed changes to the Renewable Heat Incentive including the introduction of ‘ tariff guarantees ’ for heat pumps , the demand for this innovative technology is set to continue to grow . As a cost-effective solution for providing heating and hot water , it is becoming increasingly popular in both new build and retrofit properties .
To ensure the most suitable product is chosen , there are several initial influencing factors . For example , how well insulated is the property ? This impacts on how to calculate the heat load of the building . New properties will have this information in the building designs , but if the property is older , a heating survey is required to establish the maximum amount of heat it will require . As over or under-sizing of a system can significantly impact on its energy consumption and efficiency , the heat load of a building is essential for choosing the correct heat pump . For example , a poorly insulated older property would require a larger capacity heat pump to ensure a smaller unit is not overworked .
How the heat will be distributed also needs to be considered , as this affects the temperature the heat pump will need to operate at . The ideal distribution method has a low flow temperature , such as an under-floor heating system . However , if radiators are used , their size is crucial to optimising the system ’ s performance .
With access to the latest design technology from manufacturers , expert installers have detailed knowledge of the specification process , and consequently it is best to seek their advice . To meet the specific requirements of each application , leading renewable heating manufacturers have produced diverse product ranges . The Daikin Altherma range comprises four unique solutions . The easy-to-install Daikin Altherma Low Temperature ( LT ) Monobloc is best used where space is an issue . The all-inone unit is installed outdoors and only requires a domestic hot water cylinder . Designed for larger properties , the Daikin Altherma LT Split is guaranteed to perform in temperatures as low as -25 ° c so ideal for harsher climates . Installing a split system does require F-Gas qualifications , as refrigerant pipework is needed between the outdoor unit and the indoor hydrobox .
For less thermally efficient homes and retrofit projects , the Daikin Altherma High Temperature Split system connects to existing pipework and radiators and delivers flow temperatures of up to 80 ° c . The hot water tank can be placed on top of the indoor unit to save space . For the ‘ best of both worlds ’ the Daikin Altherma Hybrid is a renewable heating system combined with a traditional gas-condensing boiler . Significantly more efficient than a boiler alone , the unit automatically selects the most cost-effective heating method for the property .
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