Hvac System Components

Refrigeration and HVAC Systems and Equipment components help system designers and operators to select and use equipment that is the best fit for a particular application or controlling scenario.

Duct Static Pressure Control

Duct Static Pressure Control

Direct Expansion—Two-Position Control

Direct Expansion—Two-Position Control

Duct Static Control of Return Fan

Duct Static Control of Return Fan

Modulating Direct-Expansion Cooling

Modulating Direct-Expansion Cooling

Airflow Tracking Control

Airflow Tracking Control

Cooling Tower

Cooling Tower

Economizer Cycle Control

Economizer Cycle Control

Preheat with Secondary Pump and Two-Way Valve

Preheat with Secondary Pump and Two-Way Valve

Warm-Up Control

Warm-Up Control

Cooling and Dehumidifying with Reheat

Cooling and Dehumidifying with Reheat

Night Cooldown Control

Night Cooldown Control

Sprayed Coil Dehumidifier

Sprayed Coil Dehumidifier

Preheat with Face and Bypass Dampers

Preheat with Face and Bypass Dampers

Chemical Dehumidifier

Chemical Dehumidifier

Steam Jet Humidifier

Steam Jet Humidifier

Condenser Water Temperature Control

Condenser Water Temperature Control

Throttling VAV Terminal Unit

Throttling VAV Terminal Unit

Load and Zone Control in Simple Hydronic System

Load and Zone Control in Simple Hydronic System

Fan-Powered VAV Terminal Unit

Fan-Powered VAV Terminal Unit

Duct Heater Control

Duct Heater Control

Pressure-Independent Dual-Duct VAV Terminal Unit

Pressure-Independent Dual-Duct VAV Terminal Unit

Zone Mixing Dampers—Three-Deck Multizone System

Zone Mixing Dampers—Three-Deck Multizone System

Variable-Flow Chilled-Water System (Primary Only)

Variable-Flow Chilled-Water System (Primary Only)

Multizone Single-Duct System

Multizone Single-Duct System

Dual-Duct Single Supply Fan System

Dual-Duct Single Supply Fan System

Constant-Flow Chilled-Water System (Primary/Only)

Constant-Flow Chilled-Water System (Primary/Only)