How does a Higher Seer2 Rating Impact my Energy Bills?

Aug 3, 2026

A higher SEER2 rating directly impacts your energy bills by reducing the amount of electricity required to cool your home. Because SEER2 (Seasonal Energy Efficiency Ratio 2) measure’s a system’s efficiency over an entire cooling season, a higher number indicates a more efficient unit.

In Colorado, where peak electricity rates often rise during July and August, these efficiency gains lead to measurable financial savings. Based on local climate data for a typical 2,000-square-foot home with a 3-ton air conditioner, the estimated annual impacts are:

  • 14 SEER2 (Minimum): This serves as the baseline, with estimated annual cooling costs between $600 – $700.
  • 16 SEER2: Can save up to $100 per year compared to the baseline.
  • 18 SEER2: Reduces energy use by approximately 30%, saving up to $200 per year.
  • 20 SEER2: Can reduce annual cooling costs by as much as $280 per year.

Over the typical 15-year lifespan of a well-maintained HVAC system, these annual savings can significantly offset the initial cost of a higher-efficiency unit. Additionally, systems with higher ratings often utilize advanced components like more efficient compressors and advanced fan motors that consume less power per unit of cooling delivered.


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