🌡️ Frost Heave Prevention, 1" PEX Glycol Warming Loops & 35°F-40°F Slab Base

Cold Storage Sub-Slab Glycol Heating Calculator

Design sub-slab warming systems to prevent catastrophic frost heave under commercial -20°F industrial freezers: calculate 1" PEX-a oxygen-barrier tubing loops (spaced 18"-24" OC in sand bed), propylene glycol circulating flow GPM, and waste heat recovery exchanger payback.

1. Project & Operating Inputs

Freezer Slab Footprint Area (Square Feet)

PEX Tube Spacing (Inches on Center e.g. 18" OC)

Customer Bid Price for Complete Warming Loop Grid ($)

PEX-a Tubing, Manifolds, Glycol Pumps, Heat Exchanger ($)

2. Financial Breakdown & Yield

SUB-SLAB FROST HEAVE PREVENTION

Turnkey Sub-Slab Profit

Mechanical Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost