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Refrigerator Coil Cleaning Savings Calculator

What are dirty coils actually costing you?

Estimate the kWh and dollars you're losing to dirty condenser coils, and the payback period for cleaning them yourself or hiring it out. Uses DOE-published efficiency-loss ranges and the EIA US average residential electricity rate.

⏱ ~30 secDOE efficiency-loss + EIA rateEnergy & Cost
Share
+25%
Energy use
Never-cleaned (DOE)
$0.13
kWh
EIA US avg
$15
DIY cost
Brush + vacuum
6–12 mo
Cleaning interval
ENERGY STAR
STEP 01

Three inputs.
Real payback.

We apply DOE efficiency-loss ranges to your current kWh, then divide cleaning cost by annual savings.

kWh / yr
Check the EnergyGuide label or your fridge spec sheet.
Updates live as you type
Estimated annual savings
$13/ yr
Urgent — clean immediately to stop significant energy waste.
Payback
13.8 mo
5-year savings
$28
Under the hood

DOE efficiency loss. EIA rate.

Loss percentages reflect DOE guidance on dirty-coil compressor overhead. Cost = wasted kWh × EIA US average residential rate of $0.13/kWh.

  1. 01

    Efficiency-loss bands

    Never cleaned: 25%. 2+ years: 20%. 1 year: 10%. 6 months: 5%. Loss compounds compressor runtime.

  2. 02

    Wasted kWh

    Cleaned kWh = current kWh ÷ (1 + loss). Wasted kWh = current − cleaned. Times $0.13 = wasted dollars.

  3. 03

    Payback math

    Cleaning cost (DIY $15 / pro $100) ÷ annual savings × 12 = months to break even.

  4. 04

    5-year horizon

    5 years × annual savings − 2.5 cleaning cycles. Assumes you re-clean every 24 months.

Questions

Frequently asked

The US Department of Energy estimates dirty condenser coils can increase a refrigerator's energy use by 25% or more by forcing the compressor to run longer to reject heat. The exact amount depends on dust load and how long since last cleaning.
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