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

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Home comfort through plumbing

As a homeowner, the last thing you'll want is a major plumbing problem that can cause sewage leaks and even structural damage to your home - that's where we come in. We offer a full range of residential and commercial plumbing services, and we are committed to providing professional, honest and affordable service on every job.

Illinois' choice for plumbing and backflow work

As a fully bonded, insured, and licensed state of Illinois plumbing contractor, we offer repairs and installation on commercial and residential equipment. Our plumbers are up to date on all the latest plumbing codes. 1 Source Mechanical Inc. is licensed in the state of Illinois to perform annual backflow testing and certification. We can also install or repair your backflow preventer. 1 Source Mechanical Inc. can test and certify your backflow device and will file all the necessary paperwork with your municipality or city.

For your home or business

At 1 Source Mechanical, we offer a full range of residential and commercial plumbing services, and we are committed to providing professional, honest and affordable service on every job. Whether the job is big or small, residential or commercial, simple or complex, a plumber from 1 Source Mechanical can help!

Get plumbing service for:

- Boilers, radiators and heating systems for residential and commercial properties

- Water treatment

- Free Estimates

- 24/7 Emergency Service

- 100% Financing Available

- All Repairs 1 Year Labor Warranty

- Fully Insured, Licensed

  and Bonded

Why choose us?

Plumbing hero Plumbing 1 Plumbing 2 Plumbing 3

Ask about our different warranty options on products and services!

815-517-0501

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.