Building Energy Retrofit: compare the models.

Look at the operating differences before comparing financial projections.

Back to all building energy retrofit models
Building Energy Retrofit: operating comparison
ModelEarns fromCapacity constraintsKey distinction
On-Site Instrumented Energy SurveyCompleted visitCrew time including travel and site accessDispatched execution carries travel and access costs without requiring a full retail premises.
Turnkey Physical Building RetrofitAccepted project or work milestoneProcurement lead times, installation crews and site scheduleThe operator bears integrated supply and installation responsibility.
Retrofit Installation SubcontractorAccepted work unit, milestone or billed hourTrade crew availability and project accessContracted scope and material ownership differ from selling a complete turnkey project.
Dedicated Building Optimization TeamClient contract-month, billed hour or service unitRequired shift coverage and agreed service levelsThe paying customer is the host organization and the operator supplies defined physical coverage.

Compare like with like

Use consistent periods, geographic assumptions, owner labor treatment and financing assumptions. These operating descriptions are not a profitability ranking.

Understand financial assumptions