Tanya Malik

The best CO2 monitor overall is the Aranet4 Home — its true NDIR sensor and 4-year AA battery life make it the most accurate and reliable pick on our list. After 60 days of hands-on testing across bedrooms, home offices and a small classroom, our team found that Aranet4 matched reference equipment within 50 ppm … Read more

Radon is invisible, odorless, and the second-leading cause of lung cancer in the United States. The only way to know if your home sits above the EPA action level of 4 pCi/L is to test it, and the best radon detectors make that test fast, accurate, and repeatable. After spending weeks with 10 of the … Read more

Looking for the best solar batteries to pair with your panels or run a portable setup off the grid? Our team spent six weeks testing ten top contenders in real conditions, from full-size refrigerators to RV solar arrays, and we have the data to back up our picks. Whether you want a 10 kWh server … Read more

A power surge can fry a refrigerator control board, kill a gaming PC, or take out an HVAC compressor in a single strike. I learned this the hard way in when a utility switching event destroyed three electronics in my home office within the same week. After that, I started treating whole-house surge protection the … Read more

Looking for the best generator transfer switches? After three months of testing 10 top models in our workshop and a real home panel, our team narrowed it down to the switches that actually deliver clean, code-compliant power when the grid goes down. We matched each switch against generators from 4,800W inverter units up to 15,000W … Read more

Picking the best countertop water filters for your kitchen can feel like comparing ten different science experiments. Some use reverse osmosis membranes that strip almost everything out. Others rely on gravity-fed ceramic or carbon blocks that quietly improve taste without the electricity bill. After three months of testing ten countertop units in a real apartment … Read more

I have been testing water filters for years, and the difference a good under sink system makes in a single week is hard to overstate. My team spent three months running eight of the most popular best under sink water filters through daily use, lab panel comparisons, and cost tracking to find out which ones … Read more

If you’ve ever wondered whether your tap water is truly clean, you’re not alone. Our team spent three months testing ten of the best reverse osmosis systems on the market, hauling them into kitchens, basements, and even an RV to see which ones actually deliver on their promises. We measured TDS before and after, counted … Read more

I still remember the morning I cracked three eggs into a cheap nonstick skillet, walked away for 90 seconds, and came back to a polymer-fumed kitchen and rubbery eggs welded to the pan. That was the day I started looking seriously at ceramic cookware. Five years and dozens of pans later, our team has tested … Read more

I’ve been cooking on copper for the better part of a decade, and I still get a small thrill when I set a heavy copper skillet on a gas burner and watch the flame color change as the metal drinks in the heat. There’s a reason French and Italian restaurants have hung copper pots above … Read more