Home Back

Aircon Horsepower Calculator

Horsepower Formula:

\[ HP = \frac{Q_{btu}}{2545 \times COP} \]

BTU/h

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is an Aircon Horsepower Calculator?

Definition: This calculator estimates the horsepower of an air conditioning system based on its cooling capacity in BTU/h and its coefficient of performance (COP).

Purpose: It helps HVAC professionals and homeowners determine the appropriate horsepower for air conditioning systems.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ HP = \frac{Q_{btu}}{2545 \times COP} \]

Where:

Explanation: The cooling capacity is divided by the product of 2545 (BTU/h per HP) and the COP to determine the required horsepower.

3. Importance of Aircon Horsepower Calculation

Details: Proper horsepower estimation ensures efficient cooling, appropriate energy consumption, and correct system sizing for the space.

4. Using the Calculator

Tips: Enter the cooling capacity in BTU/h and the COP (default 3.0). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is COP in air conditioning?
A: COP (Coefficient of Performance) is a ratio of cooling capacity to power input, representing system efficiency.

Q2: What's a typical COP value?
A: Most modern air conditioners have a COP between 2.5 and 4.0, with higher values indicating better efficiency.

Q3: How do I find my aircon's cooling capacity?
A: Check the manufacturer's specifications or look for the BTU rating on the unit's nameplate.

Q4: Why is 2545 used in the formula?
A: 2545 BTU/h equals 1 horsepower, serving as the conversion factor between these units.

Q5: How does horsepower relate to aircon size?
A: Higher horsepower generally indicates a more powerful system capable of cooling larger spaces.

Aircon Horsepower Calculator© - All Rights Reserved 2025