Guidance
Find comprehensive guidance on a variety of topics related to building equipment, measurement procedures, guides, and the tools we offer for measuring, quantifying and analyzing building energy consumption.
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Plants
Centralized Heating, Cooling, Air Distribution, and Electrical building equipment.

Systems
Interconnected Heating, Cooling, Air Distribution, and Electrical building equipment found in Plants.

Components
Pumps, Fans, Motors, Heat Exchangers and more, found in Systems and Plants.
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Measure the Operating Characteristics of Building Equipment
Measure runtime, temperature, humidity, flow, pressure, energy, power and more.

Calculate the Energy Consumption of Building Equipment
Calculate annual energy consumption and heat transfer of building equipment using downloadable, spreadsheet-based calculators.

Perform Building Re-tuning
Assess and diagnose resets, setpoints, schedules and outside air control of major systems using data loggers and sensors based on PNNL’s Building Re-tuning Guides.
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How Concepts in Guidance Relate
See an interactive node diagram of how guidance concepts relate. Each node offers a summary and link to more information.
Guidance Content Map
Click on an item in the legend to hide/show it. Hover over or click on a node to view its details. Click and drag to reposition nodes.

Seasonal Readiness Tips
Tips and checklists for heating and cooling season equipment.

Preventive Maintenance Tips
Tips on using our tools for addressing general preventive maintenance issues.

Case Studies
Learn how City agency staff have used our tools to plan, execute and evaluate projects at their facilities.