Camper van conversion water heaters and space heaters provide hot water and warmth for DIY van builds across the UK. These heating systems range from compact tankless units to combination boilers that heat both air and water simultaneously. Self-builders often choose between diesel combi heaters like the Truma range, electric water tanks, or gas-powered systems depending on their power setup and usage requirements. Popular brands include Whale, Propex, Alde, and Eberspacher, each offering different capacities from 6-litre compact units to larger 20-litre systems.
Most van converters prefer combi heaters because they solve two problems with one installation. The Truma Combi 4E heats your living space to a comfortable temperature whilst providing hot water for showers and washing up. These units run on LPG, diesel, or mains electric power depending on the model. Underfloor installations like the Whale Heat Air series save precious interior space, whilst diesel systems tap into your vehicle's fuel tank eliminating separate gas bottles. Electric water heaters work brilliantly when connected to hookup or solar power, though they draw significant current from leisure batteries.
Installation requirements vary significantly between different heating systems. Diesel heaters need external exhaust outlets and fuel lines, whilst gas units require proper ventilation and certificated installation. Most water heaters need insulated pipework and expansion vessels to handle thermal cycling. One consideration is that combination systems cost more upfront than separate heating solutions, though they often provide better value for frequent users who need both warmth and hot water throughout the year.
At Alde they understand what it takes to adventure off-grid and explor
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