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About Us

CNS, unlike most of our National competitors does not allow for customer acquisition beyond our ability to provide our clients with the undivided attention to detail we promise at the introduction of our business relationship.

CNS includes the United States, Hawaii, Canada with the capability of maintaining and servicing all types of HVAC-R equipment and manufacturers. Our client base is diverse and includes all markets, from retail, commercial, industrial, and institutional.

CNS offers Standard Preventative Maintenance programs, as well as our All Inclusive Labor, or All Inclusive Parts & Labor programs designed for the client that wants to “Fix” their annual budget while still receiving the highest quality on time service they expect and deserve.

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Need Our Assistance? Give Us a Call Now!

Our Services

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Available 24/7/365

- HVAC/R Service

- HVAC Maintenance Agreements

- Repairs

- Replacements

- Retro-Fits

- Refrigeration

- Security & Building Automation

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Contact Us

1975 E. Western Reserve Rd.
Poland, OH 44514

Tel: (234) 228-0146
info@certifiednationalservice.com

©  2022 Certified National Service

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