Econostak Economizers

A proven method of immediate efficiency gains is reducing flue gas temperature. Flue gas temperature is the temperature of combustion gases that exit a boiler’s stack.  EconoStak economizers, supplied by Nationwide Boiler, are used to capture and transfer the heat of the flue gas to preheat feedwater back into the boiler.  In most instances, a decrease of the flue gas temperature by 40°F, increases efficiency by one percentage point, resulting in significant cost-savings.

An EconoStak consists of an economizer and all of the associated piping and structural supports required for very efficient and safe operation. It is a fabricated assembly of finned tubing that uses hot stack gases to heat the boiler feedwater. The EconoStak reduces stack emissions and thermal pollution, as well as provides fuel cost savings.

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EconoStak Economizers