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www.ellistraining.co.uk S Ellis Training fc HVR Sep25.indd 1 INSIDE: AHUs, UFH, COMMERCIAL BOILER SUPPLEMENT HVR-SEP25-PG01.indd 1HVR-SEP25-PGFC.indd 1


Ellis Training offers the full package www.ellistraining.co.uk Turn to pg 10 for more.


Regulars 6 8


33 Features


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COVER STORY: ELLIS OFFERS THE FULL PACKAGE AHUS: REFURBISHMENT IS THE SMARTEST CHOICE AHUS: THE PERFECT ENVIRONMENT FOR AHUS AHUS: CHOOSING THE RIGHT AIR HANDLING STRATEGY UFH: THE HIDDEN STRATEGY THAT DELIVERS VISIBLE ROI UFH: A COMPLETE GUIDE TO UNDERFLOOR HEATING UFH: CASTLE BROUGHT INTO THE 21ST CENTURY


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18/8/25 14:50 22/08/2025 11:46 22/8/25 11:54


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Constant Air Systems Ltd, based in High Wycombe, marks 60 years as a UK leader in off-site prefabricated HVAC solutions — delivering quality, efficiency, and innovation since 1965.


CONTENTS


air source heat pumpS INSTALLATION SOLUTIONS


are you getting 100% of heat from the outdoor unit into the property?


OVER 17 YEARS EXPERIENCE IN THE ASHP MARKET


INDUSTRY NEWS BESA NEWS ANALYSIS COMPANY NEWS


Off-Site Prefabricated Packaged Plantroom & Skid Solutions W: www.constantair.co.uk


T: 01494 469 529


BOILER GUIDE WITH BAXI, IDEAL AND HAMWORTHY ENERGY EFFICIENCY: ENERGY INVESTMENT EXPLAINED ENERGY EFFICIENCY: DECARBONISATION COMPLEXITY ENERGY EFFICIENCY: GETTING AHEAD OF LEGISLATION EFFICIENCY: REDEFINING LOW-CARBON HEATING DOMESTIC HEATING: FROM BOILERS TO BRILLIANCE


Quality Trunking & Fittings


See the complete range at inoac.co.uk Available in Ivory, White & Black


from all good wholesalers


September 2025


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