WHALE Air 5kW G & E Twin Underfloor Space Heater is the upgrade to the 4 G model, running on gas and electric - giving you an extra 3kW electrical power. These heaters are designed to give you more space inside your van, extra comfort when using your van and quiet operation so you can sit back and relax. Some of the main benefits with this range of room heaters include: - Faster heat up times - Quiet night mode - Easy to use - Increased space inside the vehicle. Installation Video: Transit - https://vimeo.com/463336315 Ducato - https://vimeo.com/451415746