🔥 Commercial HPWH Multi-Pass & CO2 (R-744), 140°F Potable DHW Recovery GPH

Commercial Heat Pump Water Heater Calculator

Size central heat pump domestic water heaters (HPWH using R-410A multi-pass or transcritical R-744 CO2 single-pass systems) for hotels and multi-family buildings: calculate 140°F potable water recovery capacity (Gallons per Hour GPH at COP 3.5 to 4.2), primary storage tank sizing, and commercial plumbing electrification profits.

1. Project & Operating Inputs

Peak Domestic Hot Water Demand (GPH @ 140°F e.g. 450 GPH Peak)

Incoming Cold Water Temperature (°F e.g. 50.0°F City Water)

Customer Bid Price for Supplied & Piped Commercial HPWH Plant ($)

CO2 / Inverter HPWH Units, Double-Wall SS Heat Exchanger, Glass Tanks ($)

2. Financial Breakdown & Yield

CENTRAL COMMERCIAL HPWH (140°F)

Turnkey HPWH Electrification Profit

Domestic Hot Water Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost