Q: I turned on my furnace for the first time this year, and it made the whole house smell musty. I checked the filter and found it caked with dust, so I replaced it with a new filter, and the ...

How often to change furnace filters is a classic homeowner question. Technically, the answer is every 1 to 3 months during ...

Learn More › Air filters for furnace and home AC are designed to trap dust, dirt, bacteria, and other small particles. Depending on the MERV rating of the house air filter (which measures how ...

Furnace air filter sizes vary and are usually expressed in three numbers: depth, width, and length. For instance, 16x24x1 is a typical size, with 16 inches for width, 24 inches for length ...

We’re comparing three of the top brands in the market: Lennox vs. Trane vs. Carrier and breakdown which brand makes the best system and what differentiates them from the rest.

Staying hydrated should never fall to the bottom of your to-do list. Compared to plastic water bottles, water filter pitchers are a less wasteful way to drink clean H2O as well as save money.

Faucet water filters can be an affordable and effective alternative to complex under-sink filters or large countertop systems. They attach to your faucet and reduce contaminants through built-in ...

Which shower filters are best? Many municipal water systems deliver water that has impurities, contaminants, metal deposits and other substances to homes. If you use this water for showering ...

All products and services featured are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. A furnace circulates ...

Caroline Roberts writes articles and notifications for CNET. She studies English at Cal Poly, and loves philosophy, Karl the Fog and a strong cup of black coffee. Caroline Igo (she/her/hers) is a ...

A furnace filter should be changed about once every three months. A furnace filter should be changed more often in the event ...

Learn More › A: As you discovered, a clean furnace filter makes a big difference in air quality. What’s more, the fresher the filter, the more efficiently your HVAC system runs, resulting in ...