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What is a smart thermostat and how does it work?

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What is a smart thermostat and how does it work?

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The Best
Right Now

Roundup reviews featuring products tested and evaluated by experts.
Three black and two white smart thermostats sit on an orange background

The Best Smart Thermostats

Four video doorbells sit on a house clapboard

The Best Video Doorbells

All of the smart smoke/CO detectors and monitors we tested

The Best Smart Smoke / CO Detectors and Monitors

These are the best smart outdoor security cameras.

The Best Outdoor Home Security Cameras

A black Amazon Echo Show 8 sits on a table.

The Best Smart Displays

Flo by Moen Smart Water Leak Detector

The Best Smart Water Leak Detectors

Adjusting a smart fan with an phone app
How we test smart home

Our reviews are based on tests carried out by our product experts, input from subject matter specialists, and lots of research. They are written by seasoned journalists, who understand the latest developments in their fields and how they relate to you, the readers.

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Two women laying on a couch in a picture on digital photo frame

review

This digital photo frame is so easy to use that even the tech-averse can handle it

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A smart thermostat on an aqua blue wall

review

It’s a honey of a price, but is the X2S Smart Thermostat a sweet deal?

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Three black and two white smart thermostats sit on an orange background

The Best Right Now

The Best Smart Thermostats

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Closeup of a Ring camera lense

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A closer look at the new Ring doorbell camera and smart security lineup

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A skeleton gives the A-OK sign to some Halloween decor

feature

10 things to take your Halloween decor to the next level

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Four video doorbells sit on a house clapboard

The Best Right Now

The Best Video Doorbells

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What is a smart thermostat and how does it work?

feature

What is a smart thermostat and how does it work?

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A round, white smoke detector sits on a wood background

review

X-Sense SC07-MR is a smart smoke and CO alarm that’s helpful—but not perfect

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A selection of Ring cameras and doorbells, including outdoor, indoor, and video doorbell models, displayed on a colorful background.

feature

Ring cameras and doorbells we’ve tested and loved

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All of the smart smoke/CO detectors and monitors we tested

The Best Right Now

The Best Smart Smoke / CO Detectors and Monitors

Read more
These are the best smart outdoor security cameras.

The Best Right Now

The Best Outdoor Home Security Cameras

Read more
Google's Nest Cam (battery) home security camera hangs on a wood fence outdoors.

feature

Nest Secure is officially over—what you need to know

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A black Amazon Echo Show 8 sits on a table.

The Best Right Now

The Best Smart Displays

Read more
Flo by Moen Smart Water Leak Detector

The Best Right Now

The Best Smart Water Leak Detectors

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Amazon Alexa smart speakers including the kids Dot, the Echo and the Echo Pop sit on a blue background

The Best Right Now

The Best Alexa Smart Speakers

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Amazon Echo smart speaker

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How to enable Sound Detection for Alexa Routines

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A side by side picture featuring the Echo Show 5 and the Echo Spot with a big "VS" in the middle.

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Echo Spot vs. Echo Show 5: Which one should you buy?

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The Amazon Echo Pop next to the Echo Dot

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Echo Dot vs. Echo Pop: Which one should you buy?

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A row of outdoor solar path lights in a park, set against a sunset

The Best Right Now

The Best Outdoor Solar Lights

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A person using the fingerprint scanner on the Ultraloq U Bolt Wi-Fi Pro smart lock

The Best Right Now

The Best Smart Locks

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