Notes from the workshop and the installs — what we learn on site, written down.https://www.gondwanagreenheat.co.uk/en-gbhttps://www.gondwanagreenheat.co.uk/blog/installing-twin-or-triple-wall-chimney-systems/https://www.gondwanagreenheat.co.uk/blog/installing-twin-or-triple-wall-chimney-systems/A chimney needs an air gap; a low-energy home needs an unbroken insulation envelope. How the two are reconciled, with the kits that do it.Fri, 21 Apr 2023 10:53:14 GMThttps://www.gondwanagreenheat.co.uk/blog/planning-a-home-heating-project/https://www.gondwanagreenheat.co.uk/blog/planning-a-home-heating-project/New eco-home, major renovation or a stove added to what you have: the measuring and planning done first is what saves the time and money later.Mon, 08 Apr 2019 13:57:23 GMThttps://www.gondwanagreenheat.co.uk/blog/stack-stoves-by-la-castellamonte/https://www.gondwanagreenheat.co.uk/blog/stack-stoves-by-la-castellamonte/An introduction to the Stack Stove range from La Castellamonte: a steel core inside a ceramic outer, for space heating, cooking and hot water.Wed, 11 Apr 2018 08:49:17 GMThttps://www.gondwanagreenheat.co.uk/blog/chimney-lining/https://www.gondwanagreenheat.co.uk/blog/chimney-lining/A 904-grade stainless liner costs about twice a 316. What the difference actually protects against, and why in our experience it rarely matters.Thu, 29 Jun 2017 10:25:56 GMThttps://www.gondwanagreenheat.co.uk/blog/thermal-store-versus-a-hot-water-cylinder/https://www.gondwanagreenheat.co.uk/blog/thermal-store-versus-a-hot-water-cylinder/What a thermal store is, what it can be fed by, sixteen reasons to have one instead of a cylinder, and two houses worked through as examples.Wed, 19 Apr 2017 07:09:34 GMThttps://www.gondwanagreenheat.co.uk/blog/thermal-storage-tanks/https://www.gondwanagreenheat.co.uk/blog/thermal-storage-tanks/Storing the electricity from a wind turbine, hydro or solar PV as heat, in a thermal store, rather than selling it back to the grid.Thu, 23 Mar 2017 09:31:57 GMThttps://www.gondwanagreenheat.co.uk/blog/silicone-carbide-wood-fulled-stove/https://www.gondwanagreenheat.co.uk/blog/silicone-carbide-wood-fulled-stove/A gasification boiler stove with record efficiency, Italian styling and a second window on the gasification itself — and Gondwana fits it.Fri, 18 Mar 2016 12:20:33 GMThttps://www.gondwanagreenheat.co.uk/blog/silicon-carbide-wood-fueled-stoves/https://www.gondwanagreenheat.co.uk/blog/silicon-carbide-wood-fueled-stoves/Gondwana is an authorised installer of the Ecco Stove, a British-made silicon carbide masonry heater that keeps giving out heat long after the fire is out.Wed, 18 Nov 2015 12:06:45 GMThttps://www.gondwanagreenheat.co.uk/blog/a-guide-to-off-grid-heating-solutions/https://www.gondwanagreenheat.co.uk/blog/a-guide-to-off-grid-heating-solutions/Shipping containers, huts, cabins and family homes: the two ways to heat a building and its water with no mains electricity, and how they combine.Mon, 21 Sep 2015 11:52:19 GMThttps://www.gondwanagreenheat.co.uk/blog/the-steel-and-cast-iron-stove-versus-the-masonry-stove-heater/https://www.gondwanagreenheat.co.uk/blog/the-steel-and-cast-iron-stove-versus-the-masonry-stove-heater/What a masonry stove is made of, why it heats a home differently from a steel or cast-iron stove, and whether the steel stove has had its day.Tue, 21 Jul 2015 06:35:30 GMThttps://www.gondwanagreenheat.co.uk/blog/quality-issues-within-wood-heating-industry/https://www.gondwanagreenheat.co.uk/blog/quality-issues-within-wood-heating-industry/Why the wood heating trade in Scotland has a quality problem, what would fix it, and how to tell a good installer from the other kind.Thu, 02 Jul 2015 11:18:16 GMThttps://www.gondwanagreenheat.co.uk/blog/kiln-dried-wood-opposed-air-dried-wood/https://www.gondwanagreenheat.co.uk/blog/kiln-dried-wood-opposed-air-dried-wood/Kiln-dried logs cost more than air-dried. What the kiln actually does, why that costs what it does, and why dry wood is dry wood either way.Thu, 21 May 2015 12:04:29 GMThttps://www.gondwanagreenheat.co.uk/blog/a-guide-to-fire-wood-for-wood-burning-stoves-and-log-gasification-boilers/https://www.gondwanagreenheat.co.uk/blog/a-guide-to-fire-wood-for-wood-burning-stoves-and-log-gasification-boilers/The one number that matters with firewood is 20% moisture. How to test for it, what burning wet wood does to a stove and a chimney, and why the species matters less than you think.Tue, 12 May 2015 06:38:01 GMThttps://www.gondwanagreenheat.co.uk/blog/stainless-steel-twin-wall-chimney-lining-line-line/https://www.gondwanagreenheat.co.uk/blog/stainless-steel-twin-wall-chimney-lining-line-line/What a flexible stainless liner is, the advantages and the drawbacks, and why the reason we line older chimneys comes down to safety.Fri, 26 Sep 2014 13:59:06 GMThttps://www.gondwanagreenheat.co.uk/blog/defra-approved-exempt-worth-paper-written/https://www.gondwanagreenheat.co.uk/blog/defra-approved-exempt-worth-paper-written/What Defra exemption is, why it restricts which appliances can be fitted in Edinburgh, and whether it does what it is meant to.Fri, 26 Sep 2014 13:57:18 GMThttps://www.gondwanagreenheat.co.uk/blog/free-fire-wood-edinburgh-residents/https://www.gondwanagreenheat.co.uk/blog/free-fire-wood-edinburgh-residents/A woodland charity was running days where Edinburgh residents learned to manage a woodland and took home the wood they cut.Fri, 26 Sep 2014 13:53:46 GMThttps://www.gondwanagreenheat.co.uk/blog/tree-planting-days-gondwana-green-heat/https://www.gondwanagreenheat.co.uk/blog/tree-planting-days-gondwana-green-heat/Another 150-plus trees planted in the heart of the Scottish Borders, near Kelso, with a view of the Eildon Hills.Fri, 26 Sep 2014 13:51:16 GMThttps://www.gondwanagreenheat.co.uk/blog/trees-scotland/https://www.gondwanagreenheat.co.uk/blog/trees-scotland/Our second major tree planting day: birch, Scots pine, oak and ash, on a hillside with views over the Eildon Hills.Fri, 26 Sep 2014 12:36:30 GMThttps://www.gondwanagreenheat.co.uk/blog/ecobuild-2012-the-highlights/https://www.gondwanagreenheat.co.uk/blog/ecobuild-2012-the-highlights/Two products that stood out at Ecobuild 2012: a panel-driven heat pump new to the UK, and a radiator with a fan inside it.Fri, 26 Sep 2014 12:24:50 GMT