821 E. Lincoln Hwy. DeKalb, IL. 60115 • 1010 Jorie Blvd., Suite 390 Oak Brook, IL. 60523

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Save big with combustion analysis

With the rising cost of energy and global warming looming in the wings, there is a question at hand. How do we minimize our cost of operating heating equipment, conserve energy and reduce carbon emissions while maintaining heating performance?

Prime your home for maximum efficiency

The answer is, maximize the efficiency of existing furnaces and boilers, as well as verify the performance of newly installed high efficient equipment.


The only way to guarantee that a system is operating at maximum efficiency is to perform a combustion analysis and properly adjusting the air/fuel ratio.

Expert combustion analysis

At 1 Source Mechanical Inc. we have the test equipment and training to provide these services. When purchasing a new furnace or boiler from us, we take the time to properly tune your equipment, so it’s operating at its peak efficiency.

Make your system last longer

This also ensures your safety and extends the life of your equipment. We will provide a computerized print out of the test results for your records. Others may claim they have properly set up your gas fired equipment, we choose to prove it.

- Free Estimates

- 24/7 Emergency Service

- 100% Financing Available

- All Repairs 1 Year Labor Warranty

- Fully Insured, Licensed and Bonded

Why choose us?

Get a FREE estimate today on our expert combustion analysis services.


1 Source Mechanical Inc. is your locally owned and trusted heating, air conditioning, plumbing, and refrigeration contractor. We serve all of DeKalb County and the surrounding areas including all of DeKalb, Sycamore, Genoa, Malta, Sandwich, Cortland, Hinckley, Kingston, Kirkland, Aurora, Elgin, Maple Park and Elburn.