Home Back

Seasonal Energy Efficiency Ratio Calculator

SEER Formula:

\[ SEER = \frac{Total\ Cooling\ (BTU)}{Total\ Energy\ (Wh)} \]

BTU
Wh

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Seasonal Energy Efficiency Ratio?

The Seasonal Energy Efficiency Ratio (SEER) measures the cooling efficiency of air conditioning systems. It represents the ratio of total cooling output (in BTU) to total energy input (in watt-hours) over a typical cooling season.

2. How Does the Calculator Work?

The calculator uses the SEER formula:

\[ SEER = \frac{Total\ Cooling\ (BTU)}{Total\ Energy\ (Wh)} \]

Where:

Explanation: A higher SEER rating indicates a more energy-efficient cooling system, which can lead to lower energy costs and reduced environmental impact.

3. Importance of SEER Calculation

Details: SEER rating is crucial for comparing the energy efficiency of different air conditioning systems, helping consumers make informed purchasing decisions and potentially qualify for energy efficiency rebates.

4. Using the Calculator

Tips: Enter total cooling output in BTU and total energy consumption in watt-hours. Both values must be positive numbers for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is a good SEER rating?
A: Modern air conditioners typically have SEER ratings between 13 and 21. Higher SEER ratings indicate better energy efficiency.

Q2: How does SEER differ from EER?
A: SEER measures seasonal efficiency under varying conditions, while EER (Energy Efficiency Ratio) measures efficiency at a specific temperature (usually 95°F).

Q3: Are there minimum SEER requirements?
A: Yes, in the United States, the Department of Energy sets minimum SEER requirements that vary by region, typically ranging from 13 to 14 SEER.

Q4: Can SEER be improved for existing systems?
A: Regular maintenance, proper insulation, and upgrading components can help improve the efficiency of existing systems, though the fundamental SEER rating is determined by the equipment's design.

Q5: How does climate affect SEER performance?
A: Systems may perform differently in various climates. SEER is calculated based on a standardized seasonal average, but actual efficiency can vary with local temperature and humidity conditions.

Seasonal Energy Efficiency Ratio Calculator© - All Rights Reserved 2025