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Electrically powered heat pumps, in many varieties, are destined to play an increasingly important role in heating and cooling buildings around the world. They convert vast amounts of otherwise unusable low temperature heat into heat at sufficient temperatures to warm buildings or heat domestic water.
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When it comes to safety, every properly trained technician knows to inspect important things like chimneys, vents, flue dampers, gas piping, limit controls and other devices that the manufacturer deems necessary. It is the stuff one never expects…
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While there are some differences between refrigeration systems utilizing HCFC/HFC based refrigerants and those using CO2 as a refrigerant, there are still many similarities…
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| FAVOURITES FROM THE ARCHIVE | | | | | | | | | | | | | | | | |
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| CONTROL VALVES & DHW IN TOP 10 | | | | | | | | | | | | | | | | |
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Today the use of motorized control valves in large and small hydronic heating and cooling systems is very common. As a primer on their function and use, this article will explore available valve options, types of actuators and application examples without going into too many details about the control algorithm or strategies.
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At one time, selecting a water heater was a fairly simple process. There were not a lot of options to choose from; you got a tank type water heater, which was either gas or oil fired, or electric. The water heater efficiency and space requirements were not usually considerations. Fast-forward 30 years and the story is much different.
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Date: January 10 - January 12, 2017
Location: Orlando, FL
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Date: January 28 - February 1, 2017
Location: Las Vegas, NV
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