Alde manufactures premium hydronic heating systems and hot water solutions for recreational vehicles, ensuring silent, consistent comfort in caravans and motorhomes.
Alde is a Swedish manufacturer specializing in hydronic central heating systems for the recreational vehicle industry. Founded in 1949 by inventor Alde Rask, the company pioneered technology that uses glycol fluid to circulate warmth through pipes and convectors, mimicking the comfort of modern home heating. This approach eliminates the noise and dry air associated with traditional forced-air RV heaters, making Alde a preferred choice for high-end caravans and motorhomes designed for year-round use.
Headquartered in Färlöv, Sweden, Alde International Systems AB focuses on quality and innovation in mobile climate comfort. Their product lineup includes the popular Compact 3020 and 3030 boilers, which integrate heating and hot water production into a single unit. Alde also offers water safety products like the AquaClear UV-C filtration system. With a global presence, including subsidiaries in the UK and partnerships in North America, Alde provides extensive support for outdoor enthusiasts seeking reliable heating solutions.
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The system must be filled with a mixture of water and glycol. Use a high-quality ready-mixed glycol with inhibitor intended for aluminum heating systems, or a mixture of 60% distilled water and 40% glycol.
It is recommended to check the fluid level in the expansion tank every one to two months when the RV is in use. The level should be about 0.5 inches above the minimum indicator in a cold tank.
No, do not operate the system without glycol/antifreeze. The fluid is essential for preventing freezing and ensuring efficient heat transfer within the system.
The heating system is designed to have an air space, called an air cushion, at the top of the hot water tank to absorb pressure surges. It is recommended to renew this cushion after 10 days of use by emptying and refilling the hot water tank according to the manual.