November '17

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108 • RV PRO • November 2017 rv-pro.com O R I G I N A L E Q U I P M E N T FARLOV, Sweden – Inside one of Alde International System's cold testing chambers, the temperature is 5 degrees Fahren- heit – some 27 degrees below freezing. Without the benefit of coats or heavy clothing, a shudder passes through several members of the small tour group, who can see their breath when they exhale. Stepping into a travel trailer parked inside the cold chamber, the environment is totally different: It's a comfortable 70 degrees with just a hint of humidity in the air. Notably, the temperature feels consistently warm throughout the coach, with no pockets of cold air in any of the rooms or near the walls or windows. And while the trailer's heating system is clearly working based upon the waves of radiant heat traveling up from floor- boards, the coach is absolutely quiet. "I can talk about the benefits of our system all day, but to really appreciate it you have to experience it for yourself, like this," says Ken Elwell, president of Alde North America. "What Alde has developed, there's nothing else like it on the market." More Than Just a 'Heater' Calling Alde's product a "heater" doesn't accurately describe what it does or the benefits that it offers to users, according to Tomas Haglund, managing director for Alde International. "We always say, 'it's not a heater', it's a hydronic heating system," he says, adding, "And more than that, it's a comfort system." By its nature, a hydronic heating system like Alde's is dif- ferent than a traditional forced air system. Powered by propane and/or 120/220-volt power, the Alde compact boiler that is the heart of the system pumps a mix- ture of hot water and glycol through pipes and radiators inside a coach. Convectors that are placed along the outer walls heat the air. This air rises and heats the walls and wall-mounted furniture. Given that hot air rises, an air barrier is formed in front of the windows, which keeps the chill off. When the warm air reaches the ceiling, it circulates down toward the floor and is re-heated by the convectors. Elwell says the natural flow of heat from the Alde central heating system means that the entire living space Europe's leading hydronic heating system is ramping up for growth with plans to increase its market share in North America. By Bradley Worrell Alde Heating Things Up

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