plugged-in
Chest vs Upright Freezer: Which Costs Less to Run?
A 15.7 cu ft chest freezer is rated 277 kWh a year...
Articles
plugged-in
Mini Fridge Running Cost: What ENERGY STAR Data Shows
A typical mini fridge uses 215 to 270 kWh a year: $39...
battery-powered
Corded vs Cordless Leaf Blower: Real Cost per Hour of Use
Electricity is the small cost. In our example a cordless blower runs...
battery-powered
Cordless Vacuum Runtime in Watt-Hours, Not Minutes
A pack's watt-hours divided by the motor's watts gives real runtime. A...
plugged-in
Is an ENERGY STAR Dehumidifier Worth the Extra Cost?
A certified dehumidifier saves about $23 a year against the federal minimum...
battery-powered
ANSI FL1 Flashlight Runtime: What the Hours Really Mean
FL1 counts runtime until output falls to 10 percent of the starting...
plugged-in
How to Calculate What Any Appliance Costs to Run a Year
Cost to run = watts x hours / 1,000 x your price...
plugged-in
How Much Does It Cost to Run a Space Heater in 2026?
A 1,500-watt space heater costs 27 cents an hour at the US...
battery-powered
How to Store 40V Lawn Tool Batteries Over the Winter
Store lithium-ion tool batteries at about 40 percent charge and cool, not...
plugged-in
Window Air Conditioner Running Cost and CEER Explained
CEER is cooling Btu per watt. A new 8,000 Btu unit must...