I needed a whole house replacement for new construction detectors that were at end of life and got a good deal on upgraded 10 year battery models and got a few more carbon monoxide detectors to cover every bedroom and added a natural gas detector. Replacing the ceiling mount bracket and a couple wiring pig tails was not too hard. Very happy to not have to replace batteries and to have the best protection for my family.
March 7, 2022
It was very easy to replace my existing wired smoke detectors with these new USI combo units that detect CO, smoke, and fire. So far I'm very happy with the three USI combo units I installed. After installation, I pressed each units test button and each unit worked perfectly.
This was a great investment ordering online from USI. I, also, got a discount for my first online purchase from USI.
February 21, 2022
Easy to install and works as stated. I will purchase again.
January 23, 2022
We had a builder installed USI product that needed replacement. We were happy to find this updated version which was easy to install into the existing wiring and plate. Very happy with ordering and shipping process.
January 12, 2022
Very easy to install, and looks great. With the 10-year battery backup, it's set and go and worry-free! I feel safe and well protected. Highly recommended!
January 7, 2022
Bought these to replace 14 year old smoke detectors. Easy to connect to existing wiring. Tested and working as expected.
December 14, 2021
USI Smoke Detectors
I replaced all the smoke detectors in my house. I had excellent an experience with purchasing USI products and installing them.
December 11, 2021
No one else makes these
I purchased from USI because they were the only ones who made a smoke alarm with both ionization and photoelectric AND a carbon monoxide detector. I put these in each bedroom to make sure my family was protected to the best of ability. I put USI's regular ionization/photoelectric detectors everywhere else. I really like that they are hardwired and will all alert together letting us know about a dangerous condition no matter where we are.
I will recommend these detectors to my friends and extended family because they are first rate products and because of the excellent customer service
November 19, 2021
Universal Security Instruments Sensing Plus Multi Criteria Hardwired Combination Smoke, Fire & Car
High quality construction, super easy installation and minimal packaging material.
October 14, 2021
Wanting to rate Excellent
These appear to be state-of-the-art units. I ordered 3 but one appeared to be malfunctioning. Their customer service is OUTSTANDING and they agreed to replace the one unit immediately. Once I get that unitl installed. Mark me 5-Excellent.
October 12, 2021
They require us to change the connectors from the wall to the alarm. They were easy to put up and look better than the 10-year-old alarms that were yellowed with age.
August 18, 2021
1 unit purchased
Replaced old unit with this model. Easy install and product tested out fine.
June 12, 2021
Peace of mind
I only discovered recently that most smoke alarms do not detect both smoldering and flaming fires. This alarm does both, plus detects CO. The 10 year battery is a huge plus.
June 7, 2021
Good features reasonable pricing
Wanted a detector that me upcoming requirements after Kidde recalled my previous detectors and sent me replacements that did not meet the new standard. This product met the new requirements. Was easy to install and has indicator lights that clearly show the status of the detector
March 31, 2021
Easy to install
Replaced all the smoke detectors in my house in an afternoon. Very easy to install and looking forward to 10 years of zero maintenance.
March 30, 2021
Worry free security
I purchased 4 dual zone detectors and 3 more including carbon monoxide detection. Shipping was quick and in undamaged clam shell packaging. Install was a breeze and they work perfectly. I was very satisfied so I ordered another set for the tenant on the other side of the duplex I own and live in. Now planning to order another set for another rental I own. 10 years of not worrying about batteries or tenants removing inferior detectors. Definitely recommend.
March 24, 2021
Easy to install.
February 26, 2021
Smoke and CO detectors
Easy to install product. Fair pricing, free shipping and quick delivery. Informative website.
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