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Bob "Dieter the Heater" Print E-mail



Bob "Too Tall" Dieter with duct booboo

too tall bob with ductwork booboo

Bob "Dieter the Heater" started working in the family business when he was 10 years old & became a full time employee upon graduation from Libery High School in 1975. He started running the company when his father, Raymond Dieter, died in 1979 & Bob became the owner in 1984. Bob is the estimator, installer, serviceman, gofer, and all around Chief Cook & Bottle Washer, so to speak.

In his off hours, Bob loves to cook & entertain friends. He loves to share recipes & cooking tips. 

You will also often find Bob running around the property on his John Deere playing "Farmer" Bob, mowing acreage, trimming trees, or working on landscaping.




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Bob has attended many trade related schools over the years & has earned many certifications, including:

  • National Balance Institute Air Balancing Certification (since 1997)
  • National Comfort Institute HVAC Diagnostic & Air Balancing Certification
  • State of Ohio, Department of Commerce Boiler Contractor Certificate of Registration
  • ACE (Air Conditioning Excellence) Technician Specialist Certification Award
  • Sloan INTERburner Qualified Installer Certification
  • White Rodgers Cycle-Pilot Installation Technician Certification
  • IGSHPA (International Ground Source Heat Pump Association) Accredited Installer Certification
  • Residential Fuel Gas Code
  • Residential HVAC Code
  • International Energy Conservation Code
  • Ohio Mechanical Code
  • Zoning Technology Certification
  • Insulation A Plus Certification
  • Bacharach Institute of Technical Training Carbon Monoxide & Combustion Safety Certificate
  • Rheem Manufacturing Installation & Service Certification
  • Heat Loss / Heat Gain & Duct Design Certification
  • ACCO Indoor Air Quality Certification
  • Mechanical Code - OMC Structure, Venting, Load Calculation Certification
  • ACCA New Flammable Vapor Water Heaters Certification
  • ACCA  Electrical Code Applications in HVAC Certification
  • PHCC Hydronic Piping, Ohio Mechanical Code Certification
  • PHCC Centrifugal Pumps Certification
  • PHCC/ACCA Carbon Monoxide Analyses & Inspection Certification
  • ACCA Safe House Diagnostic Training (Parts 1 & 2) Certification
  • Energy Designed Homes Energy Codes & Building Performance, Codes & The House as a System Certification
  • National Balancing Institute Certified Residential & Light Commercial Air Balancing & Diagnostic Technician
  • Residential Zone Controls Certification
  • HEAT Weil-McLain School of Better Heating 2001 Certification
  • NATE Certification ID #6338567


bobs camera 3-5-10 307Bob is a current member of the following organizations & has held offices in:

  • THAA (Trumbull Heating & Air Conditioning Assoc), current President & Executive Board Member
  • ACCA (Air Conditioning Contractors of America)
  • ACCO (Air Conditioning Contractors of Ohio), past President & board member
  • RSES (Refrigeration Service Engineers Society), member since 1976
  • Better Business Bureau of the Mahoning Valley


Bob also holds current licenses in Trumbull & Mahoning Counties, and in the Cities of Youngstown and Girard. His Ohio OCILB license is #20632