How to Size a Cold Room for Your Warehouse

Why Correct Cold Room Sizing Matters

An undersized cold room means compromised products, financial losses, and dissatisfied customers. An oversized one means unnecessary energy costs and a higher initial investment. Correct sizing is therefore one of the most important decisions you make when setting up or upgrading your refrigerated warehouse.

Whether you own a food store, a restaurant, or a hotel, this guide gives you the practical steps to choose the cold room that truly fits your needs.

Step 1: Determine the Volume of Products You Need to Store

The first thing you need to do is estimate the maximum quantity of goods you intend to store at any one time. Think about peak periods — holidays, weekends, or busy seasons — not just a typical day.

A few useful questions to answer:

What types of products will you store (meat, dairy, vegetables, drinks, ready-made meals)?
What is the maximum quantity in kilograms or pallets?
Will you use shelving, Euro pallets, or trolleys?
How often will you restock?

As a general rule, add a surplus of 20–30% on top of your current requirements to allow for future business growth.

Step 2: Calculate the Room Dimensions Based on Volume

Once you know how much product you need to store, you can estimate the useful volume of the room. Bear in mind that not all interior space is usable — you must leave room for circulation, ventilation, and shelf access.

A simple calculation: if you need 10 Euro pallets stacked on two levels, you will require at least 15–18 m² of usable floor area, with a minimum interior height of 2.5 m.

Standard dimensions for small and medium cold rooms are:

Small: 2×2 m, 2×3 m — suitable for cafés, fast-food outlets, or convenience stores
Medium: 3×4 m, 4×5 m — recommended for restaurants, guesthouses, or supermarkets
Large: over 20 m² — for wholesale warehouses, hotels, or production facilities

Step 3: Choose the Right Working Temperature

The working temperature is a critical factor that directly influences the type of refrigeration equipment required and energy consumption.

0°C / +4°C — for fresh meat, fish, dairy, and ready-made meals
+2°C / +8°C — for fruit, vegetables, drinks, and pastry products
-18°C / -22°C — for frozen products, ice cream, and frozen meat

If you store products with different requirements, you may need two separate cold rooms or zones with different temperatures.

Step 4: Take Location and Ambient Conditions into Account

A cold room does not operate in isolation. External factors significantly affect performance and energy consumption:

Ambient temperature inside the warehouse (which can exceed 35°C in summer)
Frequency of door opening and the number of people entering
Quantity of warm products introduced daily
Degree of insulation of the building

All of these factors must be communicated to your equipment supplier in order to correctly size the refrigeration unit.

MODACO Equipment — Complete Solutions for Every Size

At MODACO, with over 30 years of experience in the manufacture of commercial refrigeration equipment, we offer customised solutions for food stores, restaurants, hotels, and warehouses of any size.

We manufacture and deliver cold rooms with high-quality thermally insulated panels, refrigeration units precisely sized to your needs, and complete accessories — stainless steel shelving, doors with efficient gaskets, and temperature control systems. Every project is assessed individually, so you receive exactly what you need, without unnecessary costs.

Common Mistakes to Avoid

Choosing a room that is too small in order to save on the initial investment
Ignoring the ambient temperature during the warm season
Overlooking interior circulation space
Purchasing a refrigeration unit undersized relative to the room volume

Contact MODACO for a Free Consultation

You don't have to work out all these details on your own. The MODACO team is available for a free technical consultation, during which we analyse your needs and propose the most suitable refrigeration solution.

Call us now on 0727.324.787 and find out how you can equip your warehouse with an efficient, durable cold room built in Romania, in Găești.