IICRC Commercial Drying Specialist Practice Test 2025 – Complete Exam Prep

To determine the number of tons of cooling needed for a 100,000 square foot retail store using the "Quick Guidelines for Cooling and Ventilation," it is essential to understand how cooling capacity is calculated based on square footage.

The guideline suggests a general estimate for commercial spaces is approximately 1 ton of cooling for every 300 to 400 square feet, depending on the factors like the store's layout, ceiling height, number of windows, and heat-generating equipment present. For a retail store, aiming for a more comfortable environment for customers and employees, the higher end of this estimation is often more appropriate.

In this case, calculating using 400 square feet per ton would yield 250 tons (100,000 sq ft divided by 400 sq ft per ton). If one considers additional factors that require a more robust cooling system, such as heavy foot traffic, lighting, equipment, and product refrigeration, the requirement can increase.

If we calculate using a more conservative estimate of 300 square feet per ton, it would yield approximately 333 tons (100,000 sq ft divided by 300 sq ft per ton). Thus, the cooling needs could range widely based on specific conditions, but using the guidelines and making slight adjustments usually leads one toward