Gaming and Entertainment Explainer
Joules Are Not the Number on a Surge Protector That Tells You the Most
Joule ratings are the headline on most surge protectors, but the UL listing carries the numbers that trace to a defined test. Here is…
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Explainer
Home and Kitchen Explainer
True HEPA Is a Marketing Phrase. The Definition Behind HEPA Is Federal and Specific.
HEPA is defined in federal regulation at 99.97 percent efficiency for 0.3 micron particles. What is printed on an air purifier box is a…
Home and Kitchen Explainer
What a Drain Pump Changes on a Portable Washing Machine
Gravity drain and pumped drain are not two versions of the same feature. One needs a floor-level outlet, the other needs at least 30…
Home and Kitchen Explainer
Travel Kettle With Temperature Control: Why You Usually Have to Pick One or the Other
Amazon autocomplete pairs travel kettle with temperature control, but the products split the two apart: dual-voltage kettles boil only, and the one with 12…
Home Improvement Explainer
Draft Stopper for a Window Sill: Where the Cold Gets In, and What Each Fix Costs in Effort
A cushion on the sill sits where you feel the draft. The air is usually arriving somewhere else. Two tests EPA publishes will tell…
Home and Kitchen Explainer
A Mini Air Purifier for a Bedroom: What the Decibel Claim on the Box Is Measured Against
In a bedroom the decibel figure decides whether the machine gets switched on at all. Here is what a published decibel claim is measured…
Home Improvement Explainer
Desiccant vs Compressor Dehumidifier: What Changes When the Room Is Cold
Three kinds of machine sit on the same shelf and only the compressor type carries a federal capacity rating. What separates them, and what…
Energy and Sustainability Explainer
Ceramic, Infrared or Oil-Filled: What Actually Differs Between the Three Heater Types
At the same wattage these three heater types cost exactly the same to run. What matters is where the heat goes, how loud it…
Home Improvement Explainer
Dehumidifier for a Basement: Why 50 Pints Is Not the 50 Pints You Remember
The pint rating on a dehumidifier changed meaning in 2019 when DOE moved the test from 80 to 65 degrees. Here is how old…
Work and Office Explainer
Incline on an Under-Desk Treadmill: What the Percentage Means and Which Numbers to Check
Incline has spread across the walking pad aisle, from a fixed 5 percent tilt to 14 selectable levels. Here is what the percentage actually…
Home and Kitchen Explainer
Heated Blanket Auto Shut-Off: What UL 964 Covers, and What 16 CPSC Recalls Show
A nine-hour auto-off did not stop one recalled blanket from overheating. What the voluntary standard behind heated bedding really covers, and what the recall…
Travel and Adventure Explainer
Portable Power Station With a Solar Panel: The Two Numbers That Decide What Charges
Every large power station now ships with a panel option. Two published numbers — the solar input ceiling and the voltage window — decide…
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