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www.heatingandventilating.net HEATING & VENTILATING REVIEW HEATING & VENTILATING REVIEW


R R


THE ASSOCIATION PEOPLE TRUST


Ductwork | fire dampers |Kitchen extract WWW.NAADUK.CO.UK 01404 891 539


HEATING & VENTILATING REVIEW R


NAAD-21: Air & Grease 2nd edition 2025 FRee download. For everyone.


NAADUK fc HVR Dec25.indd 1


As the UK’s trusted voice for ventilation hygiene, NAADUK champions high standards, qualified technicians, and safer buildings.


Raise your compliance, sharpen your skills & explore NAADUK training and membership today.


NAAD-21: Air & Grease 2nd edition 2025 FRee download. For everyone.


INSIDE THIS ISSUE: HVR 65th ANNIVERSARY SUPPLEMENT HVR-DEC25-PG01.indd 1HVR-DEC25-PGFC.indd 1


NAADUK T: 01404 891 539 Web: www.naaduk.co.uk


27/11/25 12:46 27/11/2025 13:28 1/12/25 12:02


Scan the QR code to subscribe to Heating & Ventilating Review


Regulars 6


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Features 8


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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 HVR DOMESTIC COMPANY NEWS


INDUSTRY INSIGHT: ENERGY EFFICIENCY GOING INTO 2026 CHIMNEYS & FLUES: A NEW DAWN FOR THE INDUSTRY? HUMIDITY CONTROL: ENHANCING OFFICE PRODUCTIVITY FANS & VENTILATION: A SHIFT AWAY FOR ‘BEST GUESS’ FANS & VENTILATION: BUILDING SERVICES IN FACADES FANS & VENTILATION: A NATURAL TRANSFORMATION FANS & VENTILATION: AN AHU RETROFIT SUCCESS HEAT NETWORKS: HOLE-IN-ONE FOR DISTRICT HEATING


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


T: 01494 469 529


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HEAT NETWORKS: WHY HIU UPGRADES ARE KEY HVR 65TH ANNIVERSARY SPECIAL INDUSTRY INSIGHT: GETTING THE BEST FROM A BMS RENEWABLES: VPPs AS GRID RESOURCES RENEWABLES: AERIAL HEAT PUMP INSTALLATIONS DOMESTIC HEATING: DSR AND HEAT PUMPS DOMESTIC HEATING: FLEXIBILITY IS KEY


Quality Trunking & Fittings


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


from all good wholesalers


December 2025


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