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About us

The principal behind HVAC Global Consultants: John McDonough, President, has over 49 years experience working in the residential, commercial and industrial segments of HVAC industry. Worked and consulted with companies such as Trane, Mammoth and Dunham Bush. 


Over 15 years dedicated to teaching EPA Certification to entry level HVAC students and editing HVAC training books for a publishing house. Knowing the value of Heat Loads, local & state compliance, correct calculations contributes to a contractors success, offering accurate services while maintaining a high level of professionalism.

Ken Puzinas is our Florida based HVAC Design Consultant, with over 30 years experience in Architectural Design, Construction Management, HVAC, EPA Certified, Degreed Mechanical Engineer and provides Florida Energy Compliance (402-405 Forms) through Right Energy for new construction.


REScheck for all other states, is provided upon request, through our Florida Office. 

Our Florida Office can be reached at 844-904-4822 EXT 4 or email Ken at

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