About CJH Mechanical Inc

24-hour Emergency Response Service | Free Estimates | OSHA Certified

24-hour Emergency Response Service 
Free Estimates 
OSHA Certified

(937) 572-5844
Commercial HVAC system

Your Best HVAC Choice in the Dayton Area

Since 2000, CJH Mechanical Inc has been the area's premier resource for commercial and industrial heating and air conditioning services.

We operate under a clear and simple principle: to offer you the very best mechanical service and installation and the most knowledgeable technicians and installers at the most competitive price.

CJH Mechanical has grown each year through our competitive programs and the delivery of prompt, friendly, and dependable HVAC services throughout the community.

Our owner has 45 years of experience and works with a crew that represents more than 100 years of combined expertise.

Service and Workers You Can Trust

CJH Mechanical brings state-of-the-art technology to the job, ensuring you get the highest level of service at the lowest cost.
  • The best service and project installation guarantees, warranties, and assurances
  • Well-trained and drug-free employees who deliver safe and reliable services in and around your property
  • Unbiased independent contractor
  • Veteran-owned business
  • Locally owned and family-owned business
  • OSHA-certified professionals
  • Liability insurance coverage
Commercial HVAC system
Commercial HVAC system

Fast Response and Warrantied Work

At CJH Mechanical, we not only offer 24/7 emergency services, but a quick response as well. 

We fix things right the first time, and we back up parts replacements with a 90-day warranty and new replacements with a 1-year labor and material warranty. Extended warranties are available on compressors.

Same-day services can be offered in some instances, so be sure to ask when you call. We also offer price matching.

Our company maintains an A+ rating with the Better Business Bureau and is well ranked by Dun & Bradstreet.

About Us

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