Energy Code Plan Review for the Inland Northwest

We handle the code.

You focus on the design.

HHEC provides independent third-party energy code plan review for commercial and multifamily projects across Washington State. We review architectural, mechanical, and electrical drawings for compliance with the Washington State Energy Code, IECC, and ASHRAE 90.1, giving design teams clear, actionable feedback and fast turnaround so projects keep moving. Proudly serving Spokane, Spokane County, the Tri-Cities, and surrounding areas throughout Washington State

WHAT WE REVIEW

Third-Party Energy Code Plan Review Independent review of commercial and multifamily projects for compliance with WSEC-C, WSEC-R, IECC, and ASHRAE 90.1.

NREC Inspections Non-Residential Energy Code inspection services to verify field compliance and keep your project on track through construction.

Consulting Have a tricky compliance question before you get to permit? We're available to help design teams work through energy code challenges early.

About us

HHEC was founded in 2024 in Spokane, Washington to serve architects and design teams across the Inland Northwest. With over 20 years of combined experience in HVAC design and building systems, we bring real-world technical insight to every review. Our approach mirrors jurisdictional review so there are no surprises at the permit counter, just clear comments, practical guidance, and a team that understands how buildings actually get built.

Ready to get started? Send us your project details and we'll get back to you promptly.