Which appliance in heating & cooling costs the most to run?

The highest-cost heating & cooling appliance is usually the one with both high wattage and long runtime. Open each calculator and adjust wattage, hours, and electricity rate for a better estimate.

Why do appliances in the same category have different costs?

Appliance cost depends on wattage, runtime, efficiency, settings, and how often the device cycles on and off.

Heating & Cooling Electricity Cost Calculators by Wattage

Heating & Cooling Space Heater Cost Calculator 750W-1500W common range Heating & Cooling Air Conditioner Cost Calculator 500W-3500W common range Heating & Cooling Fan Cost Calculator 20W-100W common range Heating & Cooling Dehumidifier Cost Calculator 250W-750W common range Heating & Cooling Heat Pump Cost Calculator 800W-6000W common range Heating & Cooling Portable AC Cost Calculator 800W-2000W common range Heating & Cooling Ceiling Fan Cost Calculator 15W-100W common range Heating & Cooling Electric Blanket Cost Calculator 60W-200W common range

How to compare these calculators

Start with the typical wattage shown for each appliance, then adjust the calculator to match your own label wattage, runtime, and electricity rate. The appliance that costs the most is usually the one with both high wattage and long runtime.

Explore nearby categories

Use category pages to compare similar appliance groups before opening a specific calculator.

All calculators Browse the full calculator library Search every appliance cost calculator All categories View every appliance category 9 categories Previous category Hobby & Specialty 1 calculator Next category Kitchen Appliances 11 calculators

Other appliance categories

Jump to another part of the home energy cost library.

11 calculators Kitchen Appliances Refrigerator, Air Fryer, Electric Oven 4 calculators Laundry & Cleaning Clothes Dryer, Washing Machine, Iron 4 calculators Electronics Gaming PC, TV, Laptop 1 calculator Water Heating Water Heater

Heating & Cooling calculator FAQ

Which appliance in this category costs the most to run?

The highest-cost appliance is usually the one with both high wattage and long runtime. Use each calculator with your own rate and hours to compare accurately.

Can I use typical wattage instead of label wattage?

Typical wattage is useful for planning, but the appliance label or product manual will give a better estimate for your own device.