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When shopping for a new air conditioner, you'll encounter SEER ratings. Understanding what these numbers mean helps you make a smart investment.

What is SEER?

SEER stands for Seasonal Energy Efficiency Ratio. It measures how efficiently an air conditioner converts electricity into cooling over a typical cooling season.

Higher SEER = More efficient = Lower operating costs

Current SEER Minimums

Systems range from these minimums up to 25+ SEER.

How Much Does SEER Matter?

Example Comparison

Assuming 2,000 cooling hours per year and $0.15/kWh:

Factors Affecting Real-World Savings

Climate In mild South Bay, you may use AC less than these estimates suggest, reducing absolute savings (but also total costs).

Usage Patterns If you're rarely home during hot periods, higher efficiency matters less.

Proper Installation A poorly installed high-SEER unit won't deliver its rated efficiency.

System Sizing An oversized system short-cycles and never reaches peak efficiency regardless of SEER rating.

Cost vs. Savings

Higher SEER systems cost more upfront. Consider:

14-16 SEER: Budget-friendly, meets requirements, reasonable efficiency

17-19 SEER: Good balance of cost and efficiency, often the "sweet spot"

20+ SEER: Maximum efficiency, highest upfront cost, longest payback period

Making the Right Choice

We help customers understand these trade-offs and choose the system that makes most sense for their situation and budget.

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