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Heating and Cooling

The Revenge of the Hot Water Bottle

Imagine a personal heating system that works indoors as well as outdoors, can be taken anywhere, requires little energy, and is independent of any infrastructure. It exists – and is hundreds of years old.

The Printed Website: Volume III & The Comments

The printed archives of Low-tech Magazine now amount to four volumes with a total of 2,398 pages and 709 images.

How to Make Biomass Energy Sustainable Again

From the Neolithic to the beginning of the twentieth century, coppiced woodlands, pollarded trees, and hedgerows provided people with a sustainable supply of energy, materials, and food.

Thermoelectric Stoves: Ditch the Solar Panels?

Wood stoves equipped with thermoelectric generators can produce electricity that is more sustainable, more reliable, and less costly than power from solar PV panels.

Too Much Combustion, Too Little Fire

The fire – which we have used in our homes for over 400,000 years – remains the most versatile and sustainable household technology that humanity has ever known.

Heat your House with a Mechanical Windmill

Given the right conditions, a mechanical windmill with an oversized brake system is a cheap, effective, and sustainable heating system.

Ditch the Batteries: Off-Grid Compressed Air Energy Storage

Compressed air energy storage is a sustainable and resilient alternative to chemical batteries, with much longer life expectancy, lower life cycle costs, technical simplicity, and low maintenance.

Heat Storage Hypocausts: Air Heating in the Middle Ages

The heat storage hypocaust could keep a room warm for days with just one firing of the furnace.

Medieval Heating System Lives on in Spain

The expression “estar en la gloria” (to be inside the gloria) means that someone feels happy and comfortable.

The Curse of the Modern Office

The information society promises to dematerialise society and make it more sustainable, but modern office and knowledge work has itself become a large and rapidly growing consumer of energy and other resources

How to Keep Warm in a Cool House

If we are looking for quick and substantial energy savings for existing buildings, then local heating systems deserve our closest attention

Radiant & Conductive Heating Systems

Radiant and conductive heating systems make energy use independent of the size of a room or building.