Seer Rating Comparison Calculator

SEER Savings Formula:

\[ SEER\ Savings = \left(\frac{1}{SEER_{old}} - \frac{1}{SEER_{new}}\right) \times Load \times Rate \]

Old SEER Rating (SEER_old):

SEER

New SEER Rating (SEER_new):

SEER

Cooling Load:

BTU/hr

Electricity Rate:

$/kWh

SEER Savings:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is SEER Rating Comparison?

SEER (Seasonal Energy Efficiency Ratio) rating comparison calculates the potential energy savings when upgrading from an older, less efficient air conditioning system to a newer, more efficient one. This helps homeowners and businesses make informed decisions about HVAC upgrades.

2. How Does the Calculator Work?

The calculator uses the SEER savings formula:

\[ SEER\ Savings = \left(\frac{1}{SEER_{old}} - \frac{1}{SEER_{new}}\right) \times Load \times Rate \]

Where:

$ SEER_{old} $ — Efficiency rating of current system
$ SEER_{new} $ — Efficiency rating of new system
$ Load $ — Cooling load in BTU per hour
$ Rate $ — Electricity cost in dollars per kWh

Explanation: The formula calculates the difference in energy consumption between two SEER ratings and converts it to annual cost savings based on your cooling load and electricity rate.

3. Importance of SEER Rating Comparison

Details: Comparing SEER ratings helps determine the financial benefits of upgrading to more efficient HVAC equipment, supports energy conservation efforts, and assists in calculating return on investment for system replacements.

4. Using the Calculator

Tips: Enter your current SEER rating, proposed new SEER rating, your system's cooling load in BTU/hr, and your local electricity rate in $/kWh. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is a good SEER rating?
A: Modern systems typically range from 14-25 SEER. Higher numbers indicate better efficiency. Minimum standards vary by region but generally start around 13-14 SEER.

Q2: How do I find my current SEER rating?
A: Check your unit's nameplate, manufacturer documentation, or consult with an HVAC professional. Older units (pre-2006) often have ratings between 8-12 SEER.

Q3: What is typical cooling load for a home?
A: Residential cooling loads typically range from 24,000-60,000 BTU/hr depending on home size, insulation, climate, and other factors. A Manual J calculation provides the most accurate load.

Q4: Are there rebates for high SEER systems?
A: Many utility companies and government programs offer rebates for installing high-efficiency systems, typically those with SEER ratings of 16 or higher.

Q5: How accurate is this calculation?
A: This provides a good estimate of potential savings, but actual savings may vary based on climate, usage patterns, system installation quality, and maintenance.