The way you test for gas leaks is changing. The old 4 and 8 millibar method is gone, and installation volume calculations are coming in. If you haven't already got your head around what that means in practice, especially on jobs where you can't see the pipework, this is the conversation you need to hear.

Terry Sawyer spent years as a Gas Safe inspector before stepping back onto the tools, and he's been one of the clearest voices online breaking down what the IGEM/UP/1B 4th edition actually means for working gas engineers.

PDF that Terry talked about - https://www.gassaferegister.co.uk/media/yuvaraf5/isu-133-igem-up-1b-edition-4-v2.pdfHere's our own summarised one-page version you can download for free:

https://gasengineersoftware.co.uk/blog/igem-up-1b-edition-4-changes-calculating-installation-volume/

What does day trading have in common with running a heating business? More than you'd think. Edward Lovell joins Tulloch to break down the data from GES's 2025 Heating and Plumbing Report — undercharging, the ageing workforce, cash flow, and why engineers with 20 years of experience are still pricing like it's 2005.

Can you really win more jobs simply by asking for more reviews? In this episode of The Gas Engineer Podcast, host Tulloch Priest sits down with Ryan Nesbitt, founder of Revyoo - a platform helping businesses collect, manage, and showcase customer reviews without the awkwardness.Ryan reveals why most tradespeople are brilliant at their craft but terrible at telling the world about it. From NFC cards to timing your requests, to handling negative feedback without damaging your reputation, this conversation is packed with practical insights for any heating or plumbing engineer looking to grow.If you want more visibility, more trust, and more jobs, this episode is essential listening.

In this episode of The Gas Engineer Podcast, host Tulloch Priest is joined by Harry Budd from Logic4Training, one of the UK’s leading training providers for gas, plumbing, electrical, and renewable qualifications. Together, they unpack what upskilling really means for modern engineers, and why it’s becoming essential rather than optional.

Harry shares when it makes sense to invest in new qualifications, how training differs from real-world work, and why engineers who keep learning are better positioned to stay competitive, motivated, and in demand.

If you’re wondering what to train in next, or whether it’s even worth it, this episode will help you think clearly before making your next move.

In this episode of The Gas Engineer Podcast, host Tulloch Priest sits down with Terry Sawyer, a highly experienced gas engineer and former Gas Safe inspector, to explore what working “on both sides of the fence” taught him about the trade.

Terry reveals how his time inspecting engineers across London opened his eyes to the gaps in training, the pressures of fast-track courses, and what separates truly competent engineers from those just chasing job opportunities.

In this episode of The Gas Engineer Podcast, host Tulloch Priest talks with Hollie Stallworthy, owner of Hollie’s Heating, about the moment she decided to take her business digital, and how it changed everything.

After years of juggling paper certificates, carbon copies, and handwritten invoices, Hollie was spending hours every week on admin. Now, she runs a 600-customer operation without drowning in paperwork, all thanks to Gas Engineer Software.

She shares how automation, digital certificates, and the built-in calendar have helped her reclaim her time, improve service, and finally switch off at the end of the day.If you’re still managing your jobs with pen, paper, and panic, this episode is for you.

In this episode of The Gas Engineer Podcast, host Tulloch Priest talks with Hollie Stallworthy about the realities of taking on an apprentice.

From navigating early frustrations to seeing real progress on-site, this episode dives deep into what it really takes to train someone from scratch, and why it’s one of the most rewarding decisions a tradesperson can make.

Whether you’re considering taking on your first apprentice or just want to understand the human side of mentorship, this conversation is for you.

In this episode of The Gas Engineer Podcast, host Tulloch Priest speaks with Terry Sawyer, a highly experienced gas engineer and former Gas Safe inspector, about what really happens during an inspection and how to prepare for it.

From the rise of virtual inspections to what actually triggers a face-to-face visit, Terry breaks down every step of the process.

Think you need a big team to make a big impact? This tradesperson proves otherwise.In this episode, we sit down with Hollie Stallworthy, an OFTEC-registered oil engineer who went from marine biology graduate to running a thriving heating business in Kent, with over 600 loyal customers.She shares how she:- Took the leap into self-employment (and what nearly went wrong)- Found balance between freedom and burnout- Turned ADHD into a superpower for running her business- Planned maternity while keeping her company thrivingWhether you’re thinking about going self-employed, trying to grow your customer base, or just need a dose of honest trades talk, this one’s worth a listen.

Heat pumps have long been seen as expensive, complex, and impractical for older homes, but what if AI and smart tech could change that?

In this episode of The Gas Engineer Podcast, host Tulloch Priest sits down with Luke from Adia Thermal, a company reshaping how heat pumps are installed in the UK.Luke explains how Adia Thermal’s system simplifies installations, cuts out weeks of radiator and pipework upgrades, and even helps homeowners hit gas-boiler-level bills with renewables.

From 2-day installs to tackling Victorian terraces, this is a conversation every engineer curious about the future of heating needs to hear.