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AC Ton Calculator for Room Size

AC Tonnage Formula:

\[ T = \frac{A}{F} \]

ft²
ft²/ton

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1. What is an AC Ton Calculator for Room Size?

Definition: This calculator estimates the required air conditioning capacity in tons based on room area and cooling factor.

Purpose: It helps homeowners and HVAC professionals determine the appropriate AC unit size for efficient cooling.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T = \frac{A}{F} \]

Where:

Explanation: The room area is divided by the cooling factor to determine the required cooling capacity in tons.

3. Importance of Proper AC Sizing

Details: Correct AC sizing ensures energy efficiency, proper humidity control, and prevents short-cycling of the unit.

4. Using the Calculator

Tips: Enter the room area in square feet and cooling factor (default 400 ft²/ton for residential spaces). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical cooling factor?
A: For residential spaces, 400 ft²/ton is standard. Commercial spaces may use 300-350 ft²/ton in hot climates.

Q2: When should I adjust the cooling factor?
A: Reduce the factor (to 300-350) for rooms with high ceilings, lots of windows, or in very hot climates.

Q3: What if my room has special conditions?
A: For kitchens, sunrooms, or rooms with high heat-generating equipment, consider adding 0.5-1 ton to the calculated value.

Q4: How do I measure room area?
A: Multiply length by width of the room. For irregular shapes, divide into rectangles and sum the areas.

Q5: Does this include whole-house calculations?
A: No, this is for individual rooms. For whole-house calculations, use total square footage and consider insulation quality.

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