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how much will I save upgrading my AC

How Much Will I Save Upgrading My AC?

Compares old and new SEER2 efficiency using Florida cooling hours and editable TECO, Duke, FPL, OUC, JEA, or average electric rates.

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Direct answer

SEER2 savings are calculated as old kWh minus new kWh: (BTU divided by SEER2 divided by 1,000) times cooling hours times your electric rate.

Why this matters

Use this to compare a higher-efficiency quote against a basic replacement when monthly bill savings matter.

The public-safe rule

This page gives an educational planning result. Final quote, rebate, payment, package, and installer details wait until the customer and home record are saved inside the assessment flow.

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Live calculator

Run the numbers.

Calculator inputs

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Live result

$630 estimated annual cooling savings

Upgrading from 10 to 16 SEER2 saves about 4,050 kWh per year at the selected Florida rate.

Old annual cooling

10,800 kWh

New annual cooling

6,750 kWh

Rate used

15.55 cents/kWh

Monthly average

$52

The math compares estimated annual cooling kWh before and after the SEER2 upgrade.

Use your actual bill rate if it differs from the default.

Compare savings against the installed cost premium, warranty, comfort, and humidity control.

This is a planning estimate, not a final quote or engineering report. Field conditions, permits, equipment selection, ducts, electrical work, and installer verification can change the result.

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Sources and assumptions

How this estimate is grounded.

The visible result, assumptions, and schema match. Structured data does not claim anything that is not also shown on the page.

Source

U.S. Department of Energy central AC efficiency guidance

DOE/FEMP publishes hot-humid SEER2 examples and lifecycle energy cost assumptions.

Open source Source

U.S. Energy Information Administration electricity update

EIA publishes current average electricity revenue per kWh data.

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Tampa Electric January 2026 residential rates

TECO published January 2026 residential energy, fuel, storm, and transition charges.

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Duke Energy Florida 2026 rate reduction notice

Duke Energy Florida announced staged 2026 residential bill reductions for 1,000 kWh customers.

Open source
Common questions

Short answers for homeowners.

Why does this use SEER2?

SEER2 is the newer efficiency-rating method used for current central AC and heat pump equipment. Older systems may list SEER instead.

Should I use TECO or Duke rates?

Pick the utility on your bill or enter your own cents-per-kWh equivalent. Bills include energy, fuel, storm, tax, and fee components, so the editable rate is the safest input.

A calculator can narrow the decision. A saved assessment can price the real home.
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