Rinnai’s CPD, ‘Seasonal Performance Factors and Heat Pump Design’, details the evaluation of SPF when measuring a heat pump system’s overall energy efficiency throughout an entire heating season, whilst further considering variations in temperature and other system factors.
Rinnai’s Seasonal Performance Factors and Heat Pump Design CPD details the potential limitations of manufacturer-issued efficiency measures for Heat pumps, namely COP (Coefficient of Performance) and SCOP (Seasonal Coefficient of Performance). Manufacturers often measure heat pump efficiency using Coefficient of Performance (COP), which is the ratio of useful heat energy produced to the electricity consumed at a specific external air temperature.
A SCOP efficiency rating solely measures the heat pump unit which may yield a lack of system congruity when considering the entire system. Consequently, relying on this performance measurement alone can affect customer expectations in system performance and carbon reductions.
Rinnai offer an alternative methodology in measuring system efficiency; a Seasonal Performance Factor approach evaluates all energy utilizing components within a commercial hot water system and measures the performance of the entire system, as opposed to solely the heat pump.
By presenting this CPD to UK customers, contractors, consultants, specifiers and installers, Rinnai aims to provide information that delivers a concise and true account of commercial hot water heating performance using the ‘Seasonal Performance Factor’ methodology.
Rinnai UK’s new division – Rinnai Applied has multiple bursaries available and to qualify you must be fully eligible and successfully complete the three CPD sessions between now and March 2026.
The CPDs are on the following subjects:
- Seasonal Performance Factors (SPF) and Heat Pump Design
- Introduction to Water Neutrality
- Retrofitting Heat Pumps into the Leisure Sector through CCA & SPF Analysis
Rinnai continues to inform the UK market of system operating details that provide an accurate statement of performance, while considering the effects on operational expenditure, economic investment, and environmental impact.
RINNAI OFFERS CLEAR PATHWAYS TO LOWER CARBON AND DECARBONISATION
PLUS CUSTOMER COST REDUCTIONS FOR COMMERCIAL, DOMESTIC
AND OFF-GRID HEATING & HOT WATER DELIVERY
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- Rinnai’s range of decarbonising products – H1/H2/H3 – consists of hot water heating units in gas/BioLPG/DME, hydrogen ready units, electric instantaneous hot water heaters, electric storage cylinders and buffer vessels, a comprehensive range of heat pumps, solar, hydrogen-ready or natural gas in any configuration of hybrid formats for either residential or commercial applications. Rinnai’s H1/2/3 range of products and systems offer contractors, consultants, and end users a range of efficient, robust, and affordable low carbon/decarbonising appliances which create practical, economic, and technically feasible solutions.
- Rinnai is a world leading manufacturer of hot water heaters and produces over two million units a year, operating on each of the five continents. The brand has gained an established reputation for producing products that offer high performance, cost efficiency and extended working lives.
- Rinnai products are UKCA certified, A-rated water efficiency, accessed through multiple fuel options and are available for purchase 24/7, 365 days a year. Any unit can be delivered to any UK site within 24 hours.
- Rinnai offer carbon and cost comparison services that will calculate financial, and carbon savings made when investing in a Rinnai system. Rinnai also provide a system design service that will suggest an appropriate system for the property in question.
- Rinnai offer comprehensive training courses and technical support in all aspects of the water heating industry including detailed CPD’s.
- The Rinnai range covers all forms of fuels and appliances currently available – electric, gas, hydrogen, BioLPG, DME solar thermal, low GWP heat pumps and electric water heaters More information can be found on Rinnai’s website and its “Help Me Choose” webpage.
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