Question 1

Which is better, Google Nest Protect (2nd Gen) or X-Sense SC07-W WiFi Smoke/CO Detector?

Accepted Answer

Based on our testing, the Google Nest Protect (2nd Gen) scores higher overall at 8.9/10. The Google Nest Protect (2nd Gen) scored 8.9/10 and the X-Sense SC07-W WiFi Smoke/CO Detector scored 8.6/10 in our Best Smart Carbon Monoxide Detectors 2026 evaluation.

Question 2

Is the Google Nest Protect (2nd Gen) worth it over the X-Sense SC07-W WiFi Smoke/CO Detector?

Accepted Answer

The Google Nest Protect (2nd Gen) scores 8.9/10 while the X-Sense SC07-W WiFi Smoke/CO Detector scores 8.6/10. The Google Nest Protect (2nd Gen) is our "Best Overall" pick in the Best Smart Carbon Monoxide Detectors 2026 category.

Google Nest Protect (2nd Gen) vs X-Sense SC07-W WiFi Smoke/CO Detector: Which to Buy?