Popular residential electrician - Repair Company Blogs - Not only does the Nest Protect CO + Smoke detector last up to a decade and feature and industrial grade smoke detector, but it also tests itself automatically. If you are serious about keeping yourself and your family safe, this is a product well-worth your consideration. Fires and CO exposure are among the biggest dangers to homeowners today. Free estimates on electrical panel installation by master electricians for single or 3 phase power supply, surge protection, repair old 220v outlets and house wiring. You can hush it from your phone, should you have a false alarm, and you can also receive alerts via your phone ..More