Over 30 years of optimizing buildings around the world


We specialize in ASHRAE Level 1 and 2 audits, as well as regional Energy and Water Efficiency Ordinances and ESG. With over 25+ years of optimizing buildings throughout the US & around the world, we have experience transforming properties into High Performance Buildings, you can rest assured Optimal Building can increase your portfolio's operational performance & efficiency amongst it's peers.

Energy Efficiency Audits & Building Assessments
We work with you to evaluate and optimize your building's energy performance

Local Compliance Management
Benchmarking, Assessments, and Building Audit requirements are coming to California and other states

Virtual Audits
An energy auditing tool conveniently in the palm of your hand.