Diesel Heaters All our diesel heaters come with an Extended 2-Year Warranty, ensuring you have reliable warmth wherever you need it. Shop now for a range of options, including 5kW and 2kW Diesel Air Heaters, DIY Kits, Portable All-in-One Units, Slimline Compact Heaters and Premium Bluetooth Upgraded Units. Our parking heaters are perfect for caravans, motorhomes, sheds, cabins, and garages. We also stock essential parts like glow plugs, temperature sensors, motherboards, fuel lines, filters, tanks, ducts, i...