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ChopAir · Quick Product Selection

2 of 6 cover 8,000 / 1.2

Catalog envelope · 0 – 10.5 in. wg

LouversUnit HeatersGas Radiant HeatersVariable Freq. DrivesVentilators & ERVDampers

What does it have to move?

Enter the duty point. QPST returns every ChopAir unit that covers it — with power, sound, certification and lead time on one line.

cfm
@
in. wg
Run selection →Not sure? Guided setup

Units covering

2of 6

Best fit

CF-7400

Lowest power

5.4kW

Fastest lead

2wk

Three ways in

01

Full search

Duty point, filters, curves and the whole comparison table. For when you already know the numbers.

6 models · 9 filters→
02

Guided setup

Answer three questions about the application and we narrow the catalog to the units built for that duty.

3 steps · 2 min→
03

Browse catalog

Walk the families and series to see what exists. No duty point required.

7 categories→

Pick up where you left off

Checking your session…

Catalog index

1 of 7 categories live

Fans

Live

HVLS, exhaust, supply, inline, ceiling & blowers.

Open fans →

CF Series

4 models

Centrifugal fans — general supply & exhaust duty.

PL Series

0 models

Plenum fan arrays — ducted air handling.

EF Series

2 models

Exhaust fans — roof & wall mounted.

3 families · 6 models

Coming next

LouversQ4 2026Unit HeatersQ4 2026Gas Radiant HeatersQ1 2027Variable Freq. DrivesQ1 2027Ventilators & ERVQ2 2027DampersQ2 2027

Catalog data last updated 2026-09-12