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NYC Skyline BW


New Building Commissioning

Our core service since 1999. If you want commissioning on your facility to provide value, push project schedules, and deliver quality facilities, trust the experts.


Tune-Up Program

Adding Welsh to your tune-up team leads to an integrative approach that produces tangible results for your facility. No need to be anxious for your next tune-up, trust Welsh.

Existing Building Commissioning

Don't spend your O&M money on solutions that 'might' work. Our targeted approach can identify specific opportunities that will make a real difference when it comes to saving energy.

HB-1257 Consulting

Concerned about the implication of HB-1257, the Washington Clean Buildings Act? Our team will walk you through the steps to compliance. Welsh means peace of mind.

LEED Commissioning

With more than 250 LEED projects, Welsh knows the process better than most. No matter what level of certification you are going for, you won't have worry about our credits.

ASHRAE Energy Audits

Energy audits are a meticulous inspection of your equipment to identify meaningful opportunities. Don't trust a detailed process to an un-detailed firm.


More services, offered nationwide by our parent company. Check out their website.

Environmental Mapping

Whether your process exists in a lab, a warehouse, or a manufacturing facility, it likely has critical temperature and humidity requirements. Let us help by managing the project or supplementing your team.

Airflow Visualization - Smoke Studies

With over 30 completed studies and 5500 hours of planning and execution experience, PV has the expertise to assist you in your next critical airflow visualization project.

Computer Systems Validation

At Performance Validation, we pride ourselves in bringing clients peace of mind with efficient, timely and high-quality project work that meets  regulatory requirements and streamlines business operations.


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