This is a Sources Sought notice for market research only, not a solicitation. The requirement involves professional architectural and engineering design services to renovate five Navy Gateway Inns & Suites lodging buildings at Misawa Air Base, Japan. The project includes design and construction of new high-efficiency HVAC systems with multi-split direct expansion electric heat pumps for guestrooms and support spaces. All architectural, structural, mechanical, electrical, fire protection, and controls modifications needed to support the new systems are included. No budget amounts, submission timelines, or bid deadlines are specified in this notice.