Meet the Team

John J. Cahill, Inc. staff members have worked for the company an average of 17 years. Our highly skilled and trained technicians hold certifications in plumbing, bathroom & kitchen design, heating, ventilation, air conditioning and carbon monoxide testing and remediation.

John J. Cahill, III
Vice President and Plumbing Estimator
Years at Cahill: over 25
Technical Certifications: Licensed plumber
Expertise: All plumbing installations and repairs
Favorite Part About Job: Meeting people – both new and established Cahill customers
Personal Info: Love playing with my kids, travel, hockey, motorcycles
847.425.4718
johnj@cahillinc.com

Randy Hunt
Bathroom Remodeling
Years at Cahill: over 30
Technical Certifications: Bob Cox School of Bathrooms; Bachelor of Arts in Communication Design from University of Illinois, Chicago
Expertise: Everything baths and kitchens; finding the right fixture
Favorite Part About Job: Seeing the results of a job well done
Frequently Asked Questions: Are water filters cheaper than bottled water? Can I change my tub into a shower?
847.425.4724
randy@cahillinc.com

Dave Charles
Sales Engineer for Heating, Ventilation and Air Conditioning
Years at Cahill: 17
Technical Certifications: Licensed HVAC Contractor, Full Member of ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers), Member of USGBC (U.S. Green Building Council) Carrier Geothermal Heat Pump Certified
Expertise: Forced air systems (furnaces, air conditioners, duct design and load calculations), Hydronic systems (steam, hot water and radiant floor/panel heating), High velocity air conditioning systems (SpacePak and Unico) and Geothermal heat pumps.
Favorite Part About Job: Problem solving and Complete HVAC system design
Personal Info: Married 20 years with 2 children.  Spending time with my family, reading and motor sports
847.425.4731
847.514.8874 (mobile)
 david@cahillinc.com

John Boldt
Superintendent of Service, HVAC
Years at Cahill: over 30
Technical Certifications: NATE and EPA certified, RSES trained, NCI certified for carbon monoxide testing
Personal Info: Married 28 years with 2 children. Enjoy cooking, closed course road racing and carpentry
847.425.4717
boldt@cahillinc.com

Dave Kessler
Installation Supervisor, IAQ and Home Health Specialist
Years at Cahill: over 20 (25 total years of experience)
Technical Certifications: NATE (gas heat, A/C, air distribution), NCI (carbon monoxide testing), HVAC diploma
Expertise: Forced air systems, Indoor Air Quality problems
Favorite Part About Job: Solving issues others would walk away from
Personal Info: Married with 3 children
Frequently Asked Question: How often should I change my filter?
847.425.4730
kessler@cahillinc.com

Ron Brewer
Customer Relations
Years at Cahill: over 32
Expertise: Customer relations, purchasing, dispatch
Personal Info: Enjoy hunting and fishing
847.425.4720
ron@cahillinc.com