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Christopher McFadden
Christopher is an Environment, Health & Safety (EHS) specialist with extensive experience advising consumer and trade clients on energy efficiency and sustainability.
With a Master’s in Earth Sciences from Cardiff University, Christopher has attained professional energy and sustainability auditing qualifications and various postgraduate certificates and diplomas. He is a qualified and accredited Level 3 and Level 4 non-domestic and domestic energy assessor, a Green Deal assessor, and a Practitioner member of the Institute of Environmental Management and Assessment (IEMA). He also recently qualified as a level 5 Retrofit coordinator.
In addition to his day job, Christopher has also honed his skills as a STEM writer for several well-known online publishers, sharing his knowledge and passion for science, engineering, and dinosaurs with millions of readers around the world.
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The complete guide to ground-mounted solar panels | A 2026 guide If you have the space, ground-mounted solar panels can be very efficient. However, they require a lot of space to install and can be very expensive.Christopher McFadden -
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How much power do solar panels provide in the UK in 2026? Use our free online solar panel output calculator to see how much electricity you could produce each year with a solar panel system.Christopher McFadden -
The 7 household appliances that use the most electricity Check out which appliances are using the most electricity at home, and how you can cut back on the amount of energy they get through.Christopher McFadden -
A complete guide to UK government grants for ‘free’ insulation Looking for an insulation grant? We’re here to help. Simply check out all the options here, and see if you're eligible, as well as how to apply.Beth Howell -
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Heat pump grants in Ireland in 2026 Here's the low down on Ireland's flagship heat pump installation grant program from the SEAI.Christopher McFadden -
The Winter Fuel Payment: How to stay warm in winter Keeping warm in the winter can be an expensive affair, thankfully there are some sources of cash you can assess to help out.Christopher McFadden -
The complete guide to air-to-air heat pumps Air-to-air heat pumps are a greener alternative to boilers, but what exactly are they? Read our complete guide to find out everything you'll need to know.Tom Gill