1. What is a Heat Pump Load Calculator?

Definition: This calculator determines the electrical load required by a heat pump based on its heat output and coefficient of performance.

Purpose: It helps HVAC professionals and homeowners estimate the power consumption of heat pump systems.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( \text{Load} \) — Electrical power required (kW)
• \( Q \) — Heat output (kW)
• \( \text{COP} \) — Coefficient of Performance (dimensionless)

Explanation: The heat output is divided by the COP to determine the electrical input power needed.

3. Importance of Heat Pump Load Calculation

Details: Accurate load calculation ensures proper system sizing, energy efficiency, and electrical system compatibility.

4. Using the Calculator

Tips: Enter the heat output in kW and the COP (default 3.5). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is COP in heat pumps?
A: COP (Coefficient of Performance) is the ratio of heat output to electrical input, representing system efficiency.

Q2: What's a typical COP value?
A: Modern heat pumps typically have COPs between 3.0 and 5.0, depending on temperature conditions.

Q3: How do I find the heat output (Q)?
A: This can be calculated from the heat pump specifications or measured during operation.

Q4: Does this account for seasonal variations?
A: No, COP varies with temperature. Use seasonal or average COP values for more accurate annual estimates.

Q5: Can I use this for cooling mode?
A: Yes, but use the cooling COP (often called EER) and cooling capacity instead.