1. What is kW to Ton Conversion?

Definition: This calculator converts cooling capacity from kilowatts (kW) to tons of refrigeration.

Purpose: It helps HVAC professionals and engineers convert between these common units of cooling capacity measurement.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Tons \) — Tons of refrigeration (TR)
• \( P_{kW} \) — Cooling capacity in kilowatts (kW)

Explanation: One ton of refrigeration equals 3.517 kilowatts of cooling power. This conversion factor comes from the original definition of 1 ton being the cooling power needed to freeze 1 ton of water in 24 hours.

3. Importance of kW to Ton Conversion

Details: This conversion is essential when comparing cooling systems specified in different units or when working with international standards that use different measurement systems.

4. Using the Calculator

Tips: Simply enter the cooling capacity in kilowatts (kW) and the calculator will provide the equivalent in tons of refrigeration. The input must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is 1 ton equal to 3.517 kW?
A: This comes from the original definition where 1 ton of refrigeration was the heat absorption rate needed to freeze 1 short ton (2000 lbs) of water at 0°C in 24 hours.

Q2: Is this conversion exact?
A: Yes, 1 ton = 3.5168525 kW is the standard conversion factor in the HVAC industry, typically rounded to 3.517 for practical calculations.

Q3: When would I need this conversion?
A: When comparing air conditioners rated in different units, working with international equipment specifications, or converting between metric and imperial systems.

Q4: What's a typical tonnage for residential AC?
A: Residential systems typically range from 1.5 to 5 tons (5.3 to 17.6 kW), with each ton capable of cooling about 400-600 square feet.

Q5: Can I convert tons back to kW?
A: Yes, simply multiply tons by 3.517 to get kW (the inverse of our formula).