Blog
Longer-form writing built on the same data as the rest of the site — buying guides, efficiency deep-dives, and notes on what changes in the datasets.
· Sharon Ben-Moshe · Computer Monitors
Screen size does move a monitor's electricity cost, but the dollar gap is usually modest: current certified medians are $8 for 24-inch, $10 for 27-inch, and $17 for 32-inch displays per year at the…
· Sharon Ben-Moshe · Clothes Washers
Certified front-load washers have a lower electricity-use median than certified top-load models: $19 a year versus $27 at the U.S. average rate in WattCost's current data. The annual gap is only…
· Sharon Ben-Moshe · Freezers
The median certified chest freezer in WattCost's current data uses 218 kWh a year, or about $3.42 a month at the U.S. average electricity rate. That is roughly half the current upright-freezer…
· Sharon Ben-Moshe · Water Heaters
Some heat-pump water heaters are designed for a standard 120-volt outlet, but not all are. In WattCost's current certified data, plug-in 120-volt models have a $204 median annual electricity…
· Sharon Ben-Moshe · Clothes Dryers
The median ENERGY STAR certified heat-pump clothes dryer uses 217 kWh a year — about $41 a year at the U.S. average electricity rate. The median standard vented electric dryer uses more than twice…
· Sharon Ben-Moshe · Refrigerators
The median ENERGY STAR certified compact ("mini") refrigerator uses 245 kWh a year — about $46 a year to run at the U.S. average electricity rate. That’s roughly half what a median full-size…
· Sharon Ben-Moshe · Refrigerators
Among ENERGY STAR certified top-freezer refrigerators — the most common configuration, and the only fair way to compare brands head-to-head — Magic Chef has the lowest median running cost at about…
· Sharon Ben-Moshe · Energy Basics
The yellow EnergyGuide tag on a new appliance shows a lab-measured kWh-per-year figure that’s consistent and comparable across brands — but the dollar estimate printed next to it assumes a single…
· Sharon Ben-Moshe · Televisions
Yes — at the same screen size, ENERGY STAR certified OLED TVs use noticeably more electricity than LCD (LED-backlit) TVs. Among roughly 55-inch models, the median OLED costs about $36 a year to run…
· Sharon Ben-Moshe · Energy Basics
A pool pump is one of the biggest hidden electrical loads in a home. Run a single-speed 1.5 HP pump on a typical 8-hour daily turnover schedule and it costs $1,044.69 a year at the U.S. average…
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