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Are Your Energy Dollars Vaporizing Into Thin Air?


Are Your Energy Dollars Vaporizing Into Thin Air?

E-Tech's custom-engineered Condensing Economizers capture your wasted revenue – and may be eligible for some government grants and rebates.

During combustion of natural gas, water in the combustion air changes phase from liquid to gas. As a result, combustion products of natural gas typically contain 11% to 12% moisture, which represents up to 9% of beginning fuel content. With typical economizers, this energy escapes into the atmosphere with heated boiler gases. But a condensing economizer allows its recapture. 

Using feedwater-cooled finned tubing, a condensing economizer cools exhaust gases below their dew point, releasing latent heat bound up in the vapor. The amount of recaptured heat is considerable — about 1,000 Btu per pound of condensate. The CO2 reduction is also significant: one cubic foot for each cubic foot of natural gas saved.

E-Tech condensing economizers yield extremely high efficiencies — upward of 96%. Their vapor-condensing environment presents an ideal heat recovery solution for industries that use non-sulfur bearing fuels, whose acidic by-products can corrode most carbon and alloy materials.

For more information, click to download this two page overview or contact the team at Campbell-Sevey.

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