Did you know?
Condensing boilers can achieve thermal efficiencies up to 98%. However, boiler efficiency is highly dependent on the return water temperature of your system and the percentage of the full load capacity that your system operates at.
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For many years, it was common practice for a constant-speed centrifugal pump to control the flow of a system with a control valve in the discharge line. This valve controls the flow delivered to the system. The valve takes a pressure drop equal to the difference between the pressure supplied by the pump and the pressure required by the system. However, this method wastes energy by creating an artificial pressure drop in the system and reducing pump efficiency.
A Variable Frequency Drive (VFD) would use only a fraction of pump energy compared to a system using a control valve with the same operating conditions.
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Matching your equipment size to the required demand can reduce energy and maintenance costs while improving comfort.
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A small exhaust fan left running at night can be easily overlooked, but you may be surprised by the energy cost of leaving it on. Use the ventilation calculator to determine the annual energy consumption and cost for heating ventilation air to space temperature.
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The calculator is a versatile energy management tool which accepts measured current, full load amps or rated horsepower inputs.