❄️ Sub-Floor Heated Glycol Piping Grid (5-8 W/sqft), Preventing Soil Frost Heave

Freezer Underfloor Frost-Heave Heating Calculator

Size sub-floor hydronic warming systems beneath sub-zero cold storage warehouse slabs under ASHRAE Refrigeration Handbook: calculate required heat density (5.0 to 8.0 Watts / sq ft of floor area to maintain sub-slab soil at >38°F using waste compressor heat recovery glycol loops), prevent catastrophic floor slab buckling, and refrigeration contractor margins.

1. Project & Operating Inputs

Freezer Slab Floor Area (Square Feet e.g. 45,000 Sq Ft Cold Room)

Freezer Room Operating Temp (°F e.g. -20°F Frozen Food Warehouse)

Customer Bid Price for Supplied & Laid Underfloor PEX-a Glycol Grid ($)

PEX-a Oxygen-Barrier Tubing, Glycol Pump Skid, Waste Heat Exchanger ($)

2. Financial Breakdown & Yield

SUB-SLAB FROST-HEAVE PREVENTION

Turnkey Underfloor Heating Profit

Cold Storage Floor Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost