Concrete Economizer Savings Calculator for Cement Mixing

Infern-O-Therm Concrete Estimator and Cement Savings Calculator

This calculator computes fuel savings and potential return on investment for a concrete Stack Economizer retrofit kit. The IOT Stack Economizer, which uses flu exhaust gases to pre-heat incoming water, will fit most makes of direct-fired water heating tanks. In this calculator, we use two popular sizes of Infern-O-Therm burners, models 300 and 400.

Tests have shown that the 400, with twice the output of the 300, derives the greater benefit from flu heat recovery, and will show a shorter ROI. Finally, we’ve left labor costs at zero because of the wide variation from one producer to the next.

Fill in your estimated labor cost for a better ROI estimate. (Results appear below the “calculate” button row.)

Assumptions:
1. Oil = 138,500 BTU/gal
2. Calculations based on 8-hour days, 5 days per week.

Fuel savings and potential return on investment for an concrete Stack Economizer retrofit kit.

We hope that this concrete calculator will help you measure the amount of cement you will need to buy and concrete you will need to mix to be able to complete your job.

Estimating concrete can be dome with simple math calculations, but you need to account for waste, overage and extra areas of coverage. If you need more information about doing your concrete calculations, please ask us for help.

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