Audit through design
Owners who may need an energy study followed by engineering, cost analysis, or upgrade documents.
Independent public profile
FSi Engineers
FSi Engineers is a Washington MEP engineering firm with Seattle and Spokane offices. Its published services connect energy audits and modeling with commissioning, facility assessments, engineering design, efficiency upgrades, and support for Washington Clean Buildings requirements.
Energy audits and modelingCommissioningEngineering and upgrades
Profile information checked July 24, 2026 using provider-published and public industry sources.
Location and reach
Seattle / Spokane
Washington support with Seattle and Spokane offices
Building types
Public contactBusiness contact information published by the provider.
At a glance
Where this provider may fit
Independent commissioning
New or existing systems that need functional review, issue tracking, and operating-performance verification.
Technical facilities
Public, healthcare, educational, manufacturing, or infrastructure buildings with specialized systems.
What the provider publishes
Published services and experience
Open any card to read the provider’s original page.
Building energy audits and upgrades
FSi describes engineer-led audits that identify energy-saving measures, followed by modeling, life-cycle analysis, design, and efficiency-upgrade support when needed.
View source: FSi services ↗Commissioning for new and existing systems
Published commissioning services focus on confirming that systems perform together as intended, whether for new installations or existing-building performance concerns.
View source: FSi services ↗Washington Clean Buildings support
The Seattle and Spokane office pages identify facility assessments, energy modeling, commissioning, and assistance with Washington Clean Buildings requirements.
View source: FSi Seattle office ↗Experience signals
Published examples worth knowing
Seattle and Spokane owner work
FSi publishes Washington work for public agencies, healthcare providers, educational institutions, manufacturers, and transportation facilities from offices on both sides of the state.
View source: FSi Seattle office ↗High-performance building portfolio
The firm reports work on more than 140 LEED projects, including energy modeling, commissioning, certification support, and net-zero or Living Building projects.
View source: FSi experience ↗Planning to contact this provider?Bring these three things
Optional preparation for a more useful first conversation.
Bring these three things
Optional preparation for a more useful first conversation.
- Share the building systems, operating concerns, energy data, and the investment or compliance decision the work must support.
- Clarify whether you need an independent audit or commissioning role, engineering design, or a continuous scope through implementation.
- Ask how field investigation, modeling assumptions, cost estimates, functional testing, and post-project verification will be documented.
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FSi Engineers research guides
About this profile
Public information, organized for a faster decision.
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