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HVAC Equipment
HVAC equipment refers to the mechanical systems used to heat, ventilate, and air condition indoor spaces. These systems are designed to control temperature, humidity, and air quality in residential, commercial, and industrial buildings. In simple terms: HVAC...
Project Standard Operating Procedures
These are all the project standard operating procedures to plan, and execute tasks required for a successful project.
Major HVAC Equipment
Each item is considered “major” because it either produces, moves, or controls the air and thermal energy necessary for the system to function effectively
Minor HVAC Equipment
Minor HVAC equipment refers to the supporting components that assist major systems like air handlers, chillers, and rooftop units in delivering comfort, air quality, and system performance. Though often smaller in size and cost, these elements play a critical ...
Project Procurement Overview
This is the overall process from project award to project closeout.
Split System
This chapter introduces the fundamentals of Split Systems, a common HVAC solution for small to mid-sized commercial spaces. These systems separate the outdoor unit (containing the compressor and condenser) from the indoor unit (evaporator coil and air handler)...
Rooftop Unit
This chapter covers the key functions, components, and applications of Rooftop Units (RTUs)—self-contained HVAC systems installed on building rooftops. RTUs are widely used in commercial settings like retail stores, offices, and schools due to their compact fo...
Heat Pump
This chapter explains the fundamentals of Heat Pumps — highly efficient HVAC systems that provide both heating and cooling by transferring heat rather than generating it. Heat pumps work by moving thermal energy between indoor and outdoor environments, using a...
Variable Air Volume System
Variable Air Volume (VAV) systems are a type of HVAC distribution system designed to efficiently regulate indoor air temperature and airflow by varying the volume of conditioned air delivered to different zones. Unlike constant volume systems that deliver a fi...
Variable Refigerant Flow System
Description: Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrigerant as the sole medium for both heating and cooling. By precisely controlling the amount of refrigerant sent to each indoor unit, VRF systems provide high-effici...
Project Procurement Workflow
This chapter covers the entire workflow from estimating pass off, to project closeout.
📘Rooftop Unit (RTU) Basics
📷 RTU System Diagram Figure 1: Basic RTU layout showing supply/return air, compressors, and heat exchangers. 🧰 What is a Rooftop Unit? A Rooftop Unit (RTU) is a packaged HVAC system installed on the roof of a commercial building. It combines...
📘Split System Basics
📷 System Diagram Figure 1: A basic layout showing the indoor air handler, refrigerant lines, and outdoor condensing unit. 🧰 What is a Commercial Split System? A commercial split system separates the HVAC components between: An outdoor uni...
📘 Heat Pump Basics
📷 Heat Pump System Diagram Figure 1: Reversible heat pump cycle for heating and cooling operation. 🧰 What is a Heat Pump? A heat pump is an HVAC system that provides both heating and cooling by transferring heat between indoor and outdoor environm...
📘 Variable Air Volume (VAV) Systems
Variable Air Volume (VAV) systems are HVAC air distribution systems that control airflow to individual zones by varying the volume of air supplied, rather than the temperature. This enables precise temperature regulation, reduced energy consumption, and quiete...
📘 Variable Refrigerant Flow (VRF) Systems
Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrigerant as the primary heating and cooling medium. These systems vary the flow of refrigerant to multiple indoor units based on demand, making them ideal for commercial and multi-...