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Project Workflow Chart
📘 Variable Refrigerant Flow (VRF) Systems
Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrigerant as the p...
📘 Variable Air Volume (VAV) Systems
Variable Air Volume (VAV) systems are HVAC air distribution systems that control airflow to indiv...
📘 Heat Pump Basics
📷 Heat Pump System Diagram Figure 1: Reversible heat pump cycle for heating and cooling op...
📘Split System Basics
📷 System Diagram Figure 1: A basic layout showing the indoor air handler, refrigerant l...
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Project Procurement Workflow
This chapter covers the entire workflow from estimating pass off, to project closeout.
Variable Refigerant Flow System
Description: Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrig...
Variable Air Volume System
Variable Air Volume (VAV) systems are a type of HVAC distribution system designed to efficiently ...
Heat Pump
This chapter explains the fundamentals of Heat Pumps — highly efficient HVAC systems that provide...
Rooftop Unit
This chapter covers the key functions, components, and applications of Rooftop Units (RTUs)—self-...
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Project Procurement Overview
This is the overall process from project award to project closeout.
Minor HVAC Equipment
Minor HVAC equipment refers to the supporting components that assist major systems like air handl...
Major HVAC Equipment
Each item is considered “major” because it either produces, moves, or controls the air and therma...