COMMERCIAL BUILDING SCIENCE · HEAT · AIR · MOISTURE · MEASUREMENT

Primary technical sources

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ICY favors government, standards-body and first-party technical material. Links below were reviewed on October 6, 2026. Source inclusion does not mean the publisher endorses GCT or has evaluated a customer site.

National Institute of Standards and Technology

Single-Room Heat Balance for Building Heat Transfer

Supports: Heat-balance foundation; envelope and solar gains; surface and air heat transfer; and HVAC load relationships.

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U.S. Department of Energy

Building Energy Modeling 101: HVAC Design and Operation Use Case

Supports: Cooling-load categories; building and HVAC interaction; equipment selection; and controls.

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U.S. Environmental Protection Agency

Moisture Control Guidance for Building Design, Construction and Maintenance

Supports: Dew point; condensation; moisture transport; HVAC moisture control; and verification.

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National Institute of Standards and Technology

Algorithms for Psychrometric Calculations (Skeleton Tables for the Thermodynamic Properties of Moist Air)

Supports: Psychrometrics; moist-air properties; humidity ratio; and enthalpy.

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U.S. Department of Energy

Advanced HVAC Humidity Control for Hot-Humid Climates

Supports: Sensible and latent loads; dehumidification; part-load moisture behavior; and airflow and controls.

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National Institute of Standards and Technology

CONTAM User Guide and Program Documentation Version 3.4

Supports: Pressure-driven airflow; infiltration and exfiltration; wind and buoyancy; and fan and interzonal flow.

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National Institute of Standards and Technology

Building Airflow Physics

Supports: Pressure differences; wind; buoyancy; and building pressurization and depressurization.

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U.S. Environmental Protection Agency and National Institute for Occupational Safety and Health

Building Air Quality Guide: A Guide for Building Owners and Facility Managers

Supports: Commercial-building investigation; HVAC pathways; recordkeeping; and indoor-air-quality boundaries.

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U.S. Department of Energy

Portable Air Conditioners

Supports: Portable-air-conditioner scope; cooling-capacity ratings; energy use; and test procedures.

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U.S. Department of Energy

Heat Pumps

Supports: Heat transfer; heat sources and sinks; cooling-cycle overview; and heat rejection.

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U.S. Department of Energy Federal Energy Management Program

Purchasing Energy-Efficient Light Commercial Heating and Cooling Equipment

Supports: Cooling-capacity bands; efficiency metrics; energy use; and life-cycle comparison.

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U.S. Department of Energy

Air-Cooled Unitary Air Conditioners and Heat Pumps

Supports: Commercial equipment definitions; IEER and COP; rating conditions; and current test procedures.

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National Institute of Standards and Technology

NIST Technical Note 1297: Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results

Supports: Measurand definition; Type A and Type B uncertainty; combined uncertainty; and uncertainty reporting.

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National Institute of Standards and Technology

NIST Special Publication 811: Guide for the Use of the International System of Units

Supports: SI units; quantity symbols; unit conversion; and measurement reporting.

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National Institute of Standards and Technology

Hygrometers

Supports: Humidity measurement; dew point; relative humidity; and calibration context.

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U.S. Department of Energy Federal Energy Management Program

Commissioning Process for Federal Facilities

Supports: Commissioning planning; investigation; implementation and retest; and handoff and ongoing verification.

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U.S. Department of Energy

HVAC Commissioning

Supports: Functional verification; equipment and controls; dampers and schedules; and ventilation and delivered airflow.

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U.S. Department of Energy Federal Energy Management Program

Measurement and Verification Options for Federal Energy- and Water-Saving Projects

Supports: Baselines; retrofit isolation; whole-building verification; and calibrated simulation.

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Science and trade authority are separate.

This catalog explains physical principles and measurement. Licensing, adopted codes, permits and the party authorized to perform regulated work remain jurisdiction- and scope-specific. Review the separate field-method and U.S. trade-authority page.