VoltAire PM Series

Configure your pressurization module

Bolt-on PM300 (300 CFM) and PM450 (450 CFM) for Bard wall-mount units. Made in USA.

Sizing — How Much Airflow Do You Need?

Sizing rule: 1 CFM per sq ft of well-sealed floor area, targeting 0.1″ W.C. building pressure. A leaky building needs more — seal penetrations first.

Building or room floor area (sq ft)

Have Your Bard Model Number? Auto-Fill Steps 1 & 3

The 4th letter sets the mount side: L models (left control panel) → right-side PM; all other models → left-side PM. We also read the economizer and color codes.

Step 1 — Which Bard HVAC Are You Mounting To?

Step 2 — Airflow Capacity

Step 3 — PM Mount Side

AF models have a right-hand control panel → mount the PM on the Left. LF models have a left-hand panel → mount the PM on the Right. The PM mounts opposite the control panel.

Step 4 — Voltage

No price difference.

Plan for separate power. The PM has its own independent power supply — it is not powered from the Bard. Run a dedicated 208/230VAC single-phase branch circuit with a field-supplied disconnect (not included). For this configuration: minimum circuit ampacity 2A, max overcurrent protection 5A.

Step 5 — Controls Package

Step 6 — Cabinet Color

White, Beige, and Gray are standard (no upcharge). Stainless Steel (304) adds $1,405. Custom colors are quote-only.

Your Configuration

PMRA300CWA

300 CFM • Right Side • 208/230VAC 1P 50/60Hz • Interlock • White

Built to Order • 4-6 weeks

PM300 (HVAC Interlock) $1,729

Total $1,729

List price • freight calculated at quote

Pick the host Bard unit first (Step 1).

Your Configuration

PMRA300CWA

300 CFM • Right Side • 208/230VAC 1P 50/60Hz • Interlock • White

Built to Order • 4-6 weeks

PM300 (HVAC Interlock) $1,729

Total $1,729

List price • freight calculated at quote

Pick the host Bard unit first (Step 1).

PMRA300CWA

$1,729