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PODCAST

BetaTalk - The Renewable Energy and Low Carbon Heating Podcast

Nathan Gambling BetaTeach

"Nathan is brilliant at making the complicated simple..." Amber Rudd (Secretary of State for Energy and Climate Change 2015-16)BetaTalk is an award winning podcast for Local Authorities, Social Housing Groups, Think Tanks, Government, Journalists, Consultants, Developers, Gas, Oil and Heat Pump engineers and the general public.It is hosted by Nathan Gambling who"s family have been involved with heat pump technologies for nearly half a century."Nathan is one of the UK"s clean heat leaders, so I

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All Episodes

75:40

Heat Pump Ready Programme 2 with Nesta and Carbon Trust

BetaTalk - The Renewable Energy and Low Carbon... ·

2026/04/07

Send us Fan Mail This episode of Betatalk features Will Rivers, associate director of residential decarbonisation at the Carbon Trust and Madeleine Gabriel, Sustainable Futures Mission Director at Nesta. We discuss the Department of Energy Security and Net Zero's funded Heat Pump Ready Programme which was part of the Net Zero Portfolio (NZIP) and ran from 2021-2025. The collaboration, evaluation and knowledge of this programme was managed by Carbon Trust who used the BetaTalk podcast to help ...

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65:24

Graham Hendra (Haier) on Air to Air Heat Pumps and...

BetaTalk - The Renewable Energy and Low Carbon... ·

2026/03/23

Send us Fan Mail In this episode of BetaTalk, Nathan sits down with industry veteran Graham Hendra to unpick the complexities and misconceptions currently stalling the UK’s heat pump rollout. While much of the national conversation is bogged down in rigid technical defaults and confusing marketing jargon, this discussion focuses on the practical realities of machine design, the untapped potential of air to air systems, and why the industry must change how it communicates with the general publ...

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40:49

Changing the Apprenticeship model in Plumbing and...

BetaTalk - The Renewable Energy and Low Carbon... ·

2026/03/02

Send a text This episode discusses in lay terms the Position Paper which you can find on the betateach website and you can also download here I speak to lots of Engineers who have apprentices at college who are not happy with the college system. The Betateach Position Paper argues for testing a new way of doing things. Support the show Learn more about heat pump heating by following Nathan on Linkedin, Twitter and BlueSky

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64:04

Archaeological Engineering: James Twallin on Gas...

BetaTalk - The Renewable Energy and Low Carbon... ·

2026/02/15

Send a text In this episode of BetaTalk, Nathan welcomes back engineer and coder James Twallin to discuss the technical nuances of the UK’s energy transition. While industry debates are often binary, this conversation focuses on objective data regarding gas infrastructure, the physics of high mass heritage buildings, and the importance of real world boiler monitoring for hydronic heat pump success. Key Topics Discussed: The "Invisible" Gas Leak Problem: James reveals his research into the UK’...

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74:47

Data, Comfort, and the "Expert Heat Pump Consumer"...

BetaTalk - The Renewable Energy and Low Carbon... ·

2026/01/26

Send us a text Primary Expert: Mick Wall (IT Specialist, University of Sheffield & Founder of Energy Stats UK) Host: Nathan Gambling (Beta Talk Podcast and Betateach Newsletter) Core Topics: Heat Loss Accuracy, Weather Compensation vs. Room Influence, Smart Tariffs (Octopus Energy). Executive Summary (TL;DR) Standard MCS heat loss calculations often overestimate ventilation losses in older homes by up to 300%. Expert consumer Mick Wall demonstrates that real-world air changes in a 1930s...

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76:46

Demystifying NESO: Grid Constraints, CCGT...

BetaTalk - The Renewable Energy and Low Carbon... ·

2026/01/12

Send us a text In this episode, Nathan sits down with economist Ben Watts, the creator of the real-time energy dashboard at kilowatts.io. They explore the hidden "engine room" of the UK’s electricity system, the high-stakes market where power is traded in 30-minute blocks. Ben explains why a single line on the map (the B6 Boundary) is costing consumers over £1 billion a year and how technology like heat pumps and EVs are moving from being "loads" to "assets" that help keep the grid bala...

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53:08

The Space Between Marketing and Heating Science in...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/12/19

Send us a text In this episode of BetaTalk, I talk about a subject I am deeply passionate about marketing within the UK heating sector. The UK has the most competitive heating market in Europe, with the highest boiler sales across the continent. In such a competitive environment, marketing plays an essential role. I reflect on how, at times, marketing messages can move away from fundamental heating science. This is not about blame or intent, but about acknowledging how commercial pressure a...

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75:19

A Historical Moment: John Ewbank & the New Frontier...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/11/26

Send us a text BetaTalk Podcast Show Notes: Air-to-Air Heat Pump Pioneering with John In this landmark episode of BetaTalk, the host sits down with John Ewbank to discuss his pioneering and invaluable research into the domestic application of Air-to-Air Heat Pumps (A2A HPs). This conversation marks a potentially historical inflection point for the UK heating sector, as Ewbank’s practical, data-driven work pushes the boundaries of efficient home heating. 🔬 The Pioneers of UK Heatin...

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63:16

Disrupting Zero Disrupt: Inside EDF's 'Express Heat...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/11/05

Send us a text This week on BetaTalk, we're doing something truly special: the FIRST EVER exclusive interview with EDF Heat Pumps about their groundbreaking new "Express" initiative. EDF's new "Express" initiative is hitting the accelerator, promising faster, smoother heat pump deployments that are directly comparable to the cost of a boiler install. We sit down with Clay Brown from EDF Heat Pumps behind to unpack: What "Express" really means for installers and homeowners.How they're st...

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67:46

Government Regulators Crack Down on False Radiator...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/11/01

Send us a text In this episode Nathan chats to two of the Guild Patrons, Rob Nezard from UK Radiators and Nick Baylis from Castrads about the issue of radiators being sold in the UK with overstated power outputs. Rob and Nick have been working with the Manufacturers Association of Radiators and Convectors (MARC) and now have the help of the Government body: Office for Product Safety and Standards (OPSS), the National Regulator for construction products, enforcing the Construction ...

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65:29

Untitled Zero Disrupt Explained: Heat Geek &...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/10/16

Send us a text Welcome back to the BetaTalk podcast! I'm thrilled to be joined by Adam Chapman of Heat Geek for a deep dive into the buzz-generating Zero Disrupt initiative. In this episode, Adam shares the full story behind this new heat pump installation program, explaining how it aims to solve critical industry challenges, including improving affordability for consumers and giving homeowners greater choice on system efficiency. If you're keen to understand the strategy and hear what this b...

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50:40

Heat Pump in a Three-Storey, Timber-Framed Grade II...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/10/13

Send us a text This episode of Betatalk features a detailed examination of a bespoke heat pump heating system designed by engineers within the Guild of Master Heat Engineers. We speak with Mark Denman of Custom Renewables and Alex Hilton, the homeowner and a wonderful guest who provides valuable insight into sustainability. The engineers are leading heat geeks in the field, and this installation served as an excellent peer-to-peer learning opportunity for the community. We also dedicate time ...

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44:12

Innovation in Heat Pump Technology Part Two

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/10/11

Send us a text Nathan is joined by Jonathan Siviter at Thermoelectric Conversion Systems (TCS), Ren Kang at Mixergy and Andreas Fechs at Kensa to discuss how innovation through the Heat Pump Ready projects has improved heat pump technology, the impact this could have on the market, and what future innovation is needed Support the show Learn more about heat pump heating by following Nathan on Linkedin, Twitter and BlueSky

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62:54

Innovative Finance Models for Heat Pump Deployment

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/09/16

Send us a text Nathan is joined by Zachary Gill at Energiesprong and Matthew Boyes at Hometree Finance to discuss the different innovative approaches that have been developed by Heat Pump Ready projects, the key lessons from the programme about finance models to support heat pump deployment and the insights into making finance affordable and attractive for consumers. Disclaimer: All the views expressed in this episode do not represent the views of the Government or any of their depart...

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63:56

Innovation in Heat Pump Technology - A Heat Pump...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/09/08

Send us a text Nathan is joined by Christopher Taylor at Vital Energy, Richard Barwick at RJ Barwick and Russell Murchie at Nusku to discuss how innovation through the Heat Pump Ready projects has improved heat pump technology and the ease of installation of heat pumps in difficult to decarbonise homes, the impact this could have on the market, and what future innovation is still needed. NEWS FLASH The Guild of Master Heat Engineers is coming. Read more here and sign up to the newsletter Su...

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78:15

Trade Media Uncovered - The Digital Shift in the HVAC...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/08/31

Send us a text A New Voice Meets Old Hands: BetaTalk's host Nathan, new to media, chats with his friends Joe Sharpe, Joe Dart and Andrew Gavid at Lyrical Communications Episode Summary: In this special episode of Trade Media Uncovered, host Nathan Gambling of the BetaTalk podcast steps into the world of long-standing trade journalism. Nathan, a new voice in the heating sector's media landscape, sits down with the pioneers who have shaped the industry's discourse for decades. We delve into the...

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63:11

HomeTree's Flywheel: How Acquiring Local SMEs Drives...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/08/21

Send us a text Join Nathan on this episode of BetaTalk as he sits down with Olly Cutting, Johann Kühns, and Pranjal Arya from HomeTree. The team from HomeTree shares their incredible journey, from a boiler installation company to a multifaceted energy services provider. We learn how Olly and Pranjal's economic backgrounds, combined with Johann's expertise in Climate Change management and finance from Imperial College London, have shaped their innovative, data-driven approach. The Customer Jou...

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63:08

Discussing Ambient Loop Heat Networks and Exhaust Air...

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/08/11

Send us a text Join Nathan this week for an exclusive episode recorded live from the Qvantum HQ in Sweden! Nathan sits down with a team of true industry heavyweights to discuss the future of heating solutions for multi-occupancy dwellings. In this insightful conversation, Nathan is joined by his good friend and a titan of the European heat pump sector, Thomas Nowak. As the former General Secretary of the European Heat Pump Association for nearly 18 years, Thomas shares his unparalleled knowle...

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103:37

Air to Air in Domestic Properties

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/07/25

Send us a text Expanding Horizons: BetaTalk's New Newsletter and Website! We're thrilled to announce that BetaTalk is growing! In addition to our regular podcast episodes, we're launching a brand new newsletter and an associated website. This expansion will allow us to bring you even more in-depth content, industry news, and valuable insights into the world of heat pumps and sustainable building. Our newsletter, launching shortly, will be your go-to source for the latest industry developments...

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62:58

Talking Heat Pumps with Rhiannon

BetaTalk - The Renewable Energy and Low Carbon... ·

2025/07/14

Send us a text Rhiannon and Nathan discuss the recent Installer Show 2025 at Birmingham NEC, covering current trends within the heating industry, including issues related to training. This season is sponsored by Intergas Support the show Learn more about heat pump heating by following Nathan on Linkedin, Twitter and BlueSky

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