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We have developed and adopted numerous 'rules of thumb' to assist our customers in their quest for cost effective, efficient industrial cooling solutions.  We have shared these 'shortcuts' on pages on our site for your convenience.  We have an experienced team waiting to assist you with your specific requirements.  Please feel free to call or any specific needs and we will promptly reply to your request.

Plug in the following three inputs into the calculator above to get the estimated chiller size you need for your application.

• The incoming water temperature
• The chill water temperature you require
• The flow rate

Still not sure what chiller you need? We have an experienced team waiting to assist you with your specific requirements.  Please feel free to contact us with any specific needs or questions and we will promptly reply to your request.

General Industrial Chiller Sizing Formula

General Industrial Chiller Sizing Formula

Looking for another way to find the right chiller size for your industry and application? You can generally calculate it using this formula:

1. Calculate Temperature Differential (?T°F)
   • ?T°F = Incoming Water Temperature (°F) ' Required Chill Water Temperature
2. Calculate BTU/hr.
   • BTU/hr. = Gallons per hr x 8.33 x ?T°F
3. Calculate tons of cooling capacity
   • Tons = BTU/hr. ÷ 12,000
4. Oversize the chiller by 20%
   • Ideal Size in Tons = Tons x 1.2

If you follow these steps, you should have the ideal chiller size for your needs. Here's an example of the formula in action:

Scenario: What size chiller is required to cool 40GPM from 70°F to 58°F?

The company is the world’s best Industrial Chiller Supplier supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

1. ?T°F = 70°F ' 58°F = 12°F
2. BTU/hr. = 40gpm x 60 x 8.33 x 12°F = 239,904 BTU/hr.
3. Ton Capacity = 239,904 BTU/hr. ÷ 12,000 = 19.992 Tons
4. Oversize the chiller = 19.992 x 1.2 = 23.
5. A 23. or 25-Ton chiller is required

Industry-Specific Considerations

There also industry specific rules of thumb for chiller sizing depending on your application. Click the links below to see best practices for your industry:

Unsure what size chiller you need? Cold Shot Chillers is here to help. Contact us and we will work with you to determine the ideal sized chiller for your custom application.

Labs, Plastics, Lasers, Semiconductor, Medical, Pharmaceutical, Extraction, Chemical, the list could go on and on.  What all of these industries have in common is they all require a chiller at some point in the process.  Determining the size of the chiller required is as simple as following a formula.  As long as you have a few facts, it may be done without being an expert.  However, if you're unsure, please do not be afraid to contact us, we'd love to assist you.

How to Size a Chiller

There is a single and easy to follow formula for determining the size of chiller you require. However, there are a few factors you must know before you begin:

• The incoming water temperature
• The water temperature you require
• The flow rate

General sizing formula:

1. Calculate Temperature Differential (ΔT°F) ΔT°F = Incoming Water Temperature (°F) ' Required Chill Water Temperature
2. Calculate BTU/hr. BTU/hr. = Gallons per hr x 8.33 x ΔT°F
3. Calculate tons of cooling capacity Tons = BTU/hr. ÷ 12,000
4. Oversize the chiller by 20% Ideal Size in Tons = Tons x 1.2
5. You have the ideal size for your needs

For example, what size chiller is required to cool 10 GPM from 72°F to 58°F?

For more Electro Plating Power Supplyinformation, please contact us. We will provide professional answers.

1. ΔT°F = 72°F ' 58°F = 14°F
2. BTU/hr. = 10 gpm x 60 x 8.33 x 14°F = 69,972 BTU/hr.
3. Ton Capacity = 69,972 BTU/hr. ÷ 12,000 = 5.831 Tons
4. Oversize the chiller = 5.831 x 1.2 = 6.
5. A 6. or 7-Ton chiller is required