1. What is SEER2 Conversion?

SEER2 is an updated version of the Seasonal Energy Efficiency Ratio (SEER) standard used in the United States for rating air conditioning and heat pump efficiency. The conversion formula provides an approximation from SEER to SEER2 ratings.

2. How Does the Calculator Work?

The calculator uses the SEER2 conversion formula:

Where:

• \( SEER \) — Original SEER rating (BTU/Wh)
• \( SEER2 \) — Converted SEER2 rating (BTU/Wh)
• \( 0.95 \) — Conversion factor for US standards

Explanation: The 0.95 multiplier accounts for updated testing procedures and standards that more accurately reflect real-world operating conditions.

3. Importance of SEER2 Rating

Details: SEER2 ratings provide a more accurate representation of energy efficiency under real-world conditions, helping consumers make better purchasing decisions and ensuring compliance with updated energy efficiency standards.

4. Using the Calculator

Tips: Enter the original SEER rating in BTU/Wh. The calculator will automatically compute the corresponding SEER2 rating using the standard conversion factor.

5. Frequently Asked Questions (FAQ)

Q1: Why was SEER2 introduced?
A: SEER2 was introduced to provide more accurate efficiency ratings that better reflect real-world operating conditions and updated testing methodologies.

Q2: Is the conversion factor always 0.95?
A: For most residential HVAC equipment in the US, 0.95 is the standard conversion factor, though specific equipment may have slight variations.

Q3: What are typical SEER2 values?
A: SEER2 ratings typically range from 13.4 to over 20 for modern high-efficiency systems, with higher numbers indicating better energy efficiency.

Q4: When did SEER2 standards take effect?
A: SEER2 standards began phasing in for various equipment types starting in 2023 across the United States.

Q5: How does SEER2 affect energy costs?
A: Higher SEER2 ratings indicate better energy efficiency, which typically translates to lower electricity bills and reduced environmental impact.