Records at the plant indicate that heating costs with the old boiler system ranged between $700,000 and $1,000,000 a year, not including the cost of steam used in the production process. "With the Space-Ray heaters, energy costs have been ranging between $135,000 to $200,000 a year, depending on the severity of the winter," Allgyer said.
Read MoreIf the conditioned space receives 80,000 kg of air per hour and air supply temperature rises by about 10°C and air picks up latent heat of about 150 kW. Water substance at 70 bar and 65oC enters a boiler tube of constant inside diameter of 25mm. The water leaves the boiler tube at 50 bar and 700oK at velocity of 150 m/s. A horizontal
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