Ivan Thomas


LEED AP Principal/Senior Mechanical Engineer/Advanced Technology Group Manager


With more than 20 years experience, Ivan Thomas oversees the firm’s retrofit, upgrade and system designs for a diverse range of mechanical projects. Mr. Thomas brings considerable experience in HVAC airside and hydronic systems, including system studies, analysis, design, specifications and comprehensive construction documentation and support.

Mr. Thomas is a LEED™ accredited professional in a number of organizations, including the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), the International Society of Pharmaceutical Engineering (ISPE) and the American Society of Plumbing Engineers (ASPE).

Prior to joining P2S in 1994, Mr. Thomas served as project manager and estimator for a Southern California–based mechanical contracting company. He received his BS in Mechanical Engineering from Cal Poly Pomona.

Current Activities

Ivan Thomas serves as senior mechanical engineer and is a company principal. He manages the Advanced Technology group at P2S.