Energy cost guides
Use these pages for quick answers to common cost questions, then jump into the calculator or comparison that best matches your case.
How much does a space heater cost per month?
A space heater can look cheap to buy and still become one of the fastest ways to raise an electricity bill. The real monthly cost depends on wattage, runtime, and your price per kWh.
Is a dehumidifier expensive to run?
A dehumidifier often runs for long periods, so the answer depends less on wattage alone and more on how many hours it stays active in your climate and room conditions.
How much does a mini split cost to run?
Mini splits are usually more efficient than direct electric heating and many portable cooling options, but the bill impact still depends on size, runtime, and tariff.
How much does a dishwasher cost per cycle?
Dishwasher cost per cycle depends on the program, energy use, and your tariff. The number can be low per cycle and still add up over months if the appliance runs often.
How much does a gaming PC cost per month?
A gaming PC does not only depend on the power supply label. Real monthly cost depends on actual gaming load, session length, and how often the machine stays on outside play time.
How much does a portable air conditioner cost per month?
A portable air conditioner can cool a room quickly, but it can also become one of the bigger summer electricity costs if it runs for many hours each day.
How much does it cost to charge an EV at home?
Home EV charging cost depends on charger power, charging hours, battery habits, and especially your tariff. The number can look low per session and still become a major monthly line.
Is a mini fridge expensive to run?
A mini fridge looks small, but that does not always mean cheap to run. Some compact fridges use more electricity than people expect for the storage they provide.
Does a bigger TV use more electricity?
Bigger TVs usually use more electricity, but the real question is whether the difference is meaningful enough to matter across a year of daily viewing.
Is an air fryer expensive to use?
An air fryer often uses high power for short periods. The real cost question is whether those short sessions add up less than using a full oven for the same food.
How much does a 7 kW wallbox cost to run?
A 7 kW wallbox can move a lot of energy in a short session, so the true cost depends less on the charger label and more on how often and when you charge.
Is electric underfloor heating expensive to run?
Electric underfloor heating can feel efficient because the comfort is even, but large heated areas and long winter schedules can still make the running cost substantial.
How much does a ceiling fan cost per month?
Ceiling fans usually look cheap to run, but the monthly number still depends on motor size, daily summer runtime, and whether they replace heavier cooling.
Does a heat pump water heater save electricity?
A heat pump water heater can look more expensive upfront, but the operating cost can be much lower than a standard resistive electric water heater if usage is steady.
Is a fan cheaper than a portable air conditioner?
A fan and a portable air conditioner solve different comfort problems, but the electricity gap between them can be large enough to matter before you buy.
Does dry mode use less electricity than cool mode?
Dry mode usually targets humidity while cool mode targets temperature, so the electricity cost difference depends on climate, runtime, and how hard the compressor works.
Appliance electricity cost calculator guide
This page helps you calculate appliance electricity cost using watts, runtime, and your electricity price so you can estimate cost per hour, day, month, or year.
kWh cost calculator guide
If you want to calculate electricity cost from kWh directly, this page shows the shortest method and where appliance power, runtime, and tariff fit into the estimate.
How much does a 2000 watt heater cost per hour?
A 2000 watt heater can look harmless for one hour and still become one of the most expensive comfort devices when that hour repeats every day.
Best energy monitors for home electricity use
If a calculator result looks high, an energy monitor is often the fastest way to replace guesses with measured data and find the loads worth fixing first.
Best smart plugs for energy monitoring
Smart plugs can help with two things at once: measuring real plug-load consumption and cutting waste with scheduling or remote control.
Best EV smart chargers for home charging
If EV charging is becoming a visible cost line, a smart charger can do more than add speed: it can improve scheduling, visibility, and off-peak control.
Is a gaming PC more expensive to run than a PS5?
A gaming PC can deliver more performance, but it often draws more power than a console. The real question is how much that gap matters over repeated sessions through a month or a year.
Is a 9000 BTU mini split cheaper to run than a 12000 BTU mini split?
A smaller mini split often looks cheaper on paper, but the real cost difference depends on runtime, room size, and whether the larger unit avoids longer full-load operation.
Is an air fryer more expensive to run than a microwave?
Air fryers and microwaves solve different cooking problems, but many people still want to know which one is cheaper to use when both could handle a quick meal or reheating job.
Is a projector cheaper to run than a TV?
A projector can feel like a bigger-screen bargain, but the electricity answer depends on brightness, session length, and what TV size you are really comparing it against.