Christopher NullFreelance Contributor, TechHive

Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

air purifier roundup

The best air purifiers: Keep your home safe, comfortable, and odor-free

The world of air purifiers can be confusing, but the bottom line is that the best units can improve your quality of life.


rabbit air a3 2

Rabbit Air A3 review: Top-shelf performance with a rarified price tag

This high-end air purifier works well, but justifying its cost is tricky.


govee floor lamp 1

Govee Lyra Floor Lamp review: Add a little color to any corner of your home

This unique conversation piece gives you a vast array of hues to play with.


Rachio 3 with cover

Rachio 3 Smart Sprinkler Controller review: New tricks from the market leader

With onboard controls and cleaner connectors, this sprinkler system is better than ever.

mila bookshelf

Mila air purifier review: Breathe better, and make a fashion statement

This sophisticated air purifier has a refined mobile app to match.


Annke W300

Annke W300 wireless outdoor security camera review: Solid infrared performance, but rocky wireless connectivity

A sub-$50 street price makes Annke’s camera seem like a bargain, but be prepared to get what you paid for.


lg puricare 360 as330dwr0

LG PuriCare 360 air purifier review: A pricey purifier with a troubling app experience

The PuriCare can also work as a room fan, but its price is through the roof.


lockly duo primary

Lockly Duo review: Two smart locks in one installation headache

Lockly combines deadbolt and latch in this daunting smart home device.


ezviz 8c8 installed

EZVIZ C8C security camera review: Pan and tilt features on a budget

This inexpensive system is stripped down to the basics, and it suffers from erratic performance.


swann xtreem installed

Swann Xtreem Wireless security camera review: Free cloud storage, motion detection, and solid hardware

Alas, erratic performance mars a security camera that aims for the top shelf.


turbolock tl88 black 04

Turbolock TL88 Bluetooth fingerprint smart lock review: An affordable, if basic, biometric entry lock

Going Bluetooth-only simplifies this lock at the expense of some features.


wyze outdoor plug 1

Wyze Plug Outdoor review: This affordable outdoor smart plug has a deep bag of tricks

Wyze Labs delivers features like an integrated light sensor and energy monitoring that the pricier competition doesn’t offer.


tribit quietplus 72 lifestyle

Tribit QuietPlus 72 ANC headphone review: Effective noise cancelling on a budget

These over-ear headphones provide an affordable respite from the outside world.


color temperature 1 100569476 large

How to optimize your home lighting design based on color temperature

Once you understand what color temperature is and why it matters, you can choose the right types of light bulbs to improve the quality of your life at home.

wayzn pet door 1

Wayzn Smart Pet Door review: This motorized device lets Fido open the sliding door himself

It's a clever idea, but this smart home device is mired in immaturity.