System Updates April 2021

Old to New system type mapping

Patrick Chopson avatar
Written by Patrick Chopson
Updated over a week ago

In order to support a wider range of system types, our team has revamped the input's dropdown menu. The update includes double the options and an enhanced naming convention meant to precisely describe the HVAC system's cooling, heating, and air handling systems. User's who've become accustomed to selecting an older option may want to familiarize themselves with the new equivalent system. Use the table below to identify how your older selection maps to the new list.

Old

New

CAV/ Air Source Heat Pump

CAV w/ Reheat, with ASHP and Packaged DX

CAV/ Water Source Heat Pump

DOAS w/ WSHP, with Gas Boiler and Cooling Tower

Constant Volume/Air Cooled Chiller/Gas Boiler

CAV w/ Reheat, with Gas Boiler and Air Cooled Chiller

Constant Volume/Water Cooled Chiller/Electric Boiler

CAV w/ Reheat, with Electric Boiler and Water Cooled Chiller

DX Split System

Single Zone, with Furnace and Direct Expansion

Fan Coil System/ Air Cooled Chiller/ Gas Boiler

DOAS w/ FCU, with Gas Boiler and Air Cooled Chiller

Fan coil system/ Ground Source Heat Pump

DOAS w/ FCU, with GSHP

Fan coil system/ Water Cooled Chiller/Electric Boiler

DOAS w/ FCU, with Electric Boiler and Water Cooled Chiller

Heat Pump Slab Foundation

Natural Vent, with ASHP and Direct Expansion

Heat Pump Slab Foundation_ASHRAE

Natural Vent, with ASHP and Direct Expansion

Induction System/ Water Cooled Chiller/ Electric Boiler

DOAS w/ Induction, with Electric Boiler and Water Cooled Chiller

Induction System/Air Cooled Chiller/ Gas Boiler

DOAS w/ Induction, with Gas Boiler and Air Cooled Chiller

Multi-Zone Built-up System with Baseboard Heating

VAV w/ Radiant, with Electric Resistance and Water Cooled Chiller

No Cooling or Heating

No Mechanical System

Packaged Unit/ Gas Furnace

Single Zone, with Furnace and Packaged DX

Radiant System/ Ground Source Heat Pump

DOAS w/ Radiant, with GSHP

Radiant System/ Water Cooled Chiller/ Gas Boiler

DOAS w/ Radiant, with Gas Boiler and Water Cooled Chiller

Single Duct System/ Air Cooled Chiller/ Electric Boiler

Single Zone, with Electric Boiler and Air Cooled Chiller

Single Duct System/Water Cooled Chiller/Electric Boiler

Single Zone, with Electric Boiler and Water Cooled Chiller

Single Duct System/Water Cooled Chiller/Gas Boiler

Single Zone, with Gas Boiler and Water Cooled Chiller

Single Duct with Terminal Reheat/Air Cooled Chiller/Gas Boiler

Single Zone, with Gas Boiler and Air Cooled Chiller

Single Duct with Terminal Reheat/Water Cooled Chiller/Gas Boiler

CAV w/ Reheat, with Gas Boiler and Water Cooled Chiller

Single-Zone Packaged Rooftop unit with Baseboard Heating

Single Zone, with Electric Resistance and Packaged DX

Unitary Air-Conditioner with Baseboard Heating

CAV w/ Radiant, with Electric Resistance and Packaged DX

VAV/ Air Cooled Chiller/ Gas Boiler

VAV w/ Reheat, with Gas Boiler and Air Cooled Chiller

VAV/ Ground Source Heat Pump

VAV w/ Reheat, with GSHP

VAV/ Water Cooled Chiller/ Electric Boiler

VAV w/ Reheat, with Electric Boiler and Water Cooled Chiller

VAV/ Water Cooled Chiller/ Gas Boiler

VAV w/ Reheat, with Gas Boiler and Water Cooled Chiller

VAV/Electric

VAV w/ Reheat, with Electric Resistance and Water Cooled Chiller

VRF System/ Air Cooled

DOAS with VRF

VRF System/ Water Cooled

DOAS w/ VRF, with Gas Boiler and Cooling Tower

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