TrustSentinel

TrustSentinel and the Sentinel detector for carbon monoxide and gas

TrustSentinel is an online store that sells the Sentinel detector, a device designed to protect the home against carbon monoxide (CO) and natural gas leaks. The product is presented as an alternative to conventional detectors that only activate from 50 PPM, since the Sentinel shows readings from 0 PPM on a digital screen, so the user can observe how levels change before critical thresholds are reached.

How the detector works and what it can do

The device works by plugging into any standard power outlet, with no wiring or batteries required, which makes installation simple. According to the information on the site, the detector combines CO and gas detection, provides real-time readings of concentrations in parts per million and is designed to alert early. The company states that the device detects low levels of CO (10 PPM), natural gas leaks and also temperature and humidity, capabilities that, according to its comparison, low-cost detectors do not include.

Catalog and published prices

The store's catalog includes the Sentinel detector in one-, two- and four-unit packs, as well as a home safety guide in electronic format. The prices listed at the time of the analysis were as follows:

• 1-Pack Sentinel Detector: £65.00.
• 2-Pack Sentinel Detector: £99.00 (regular price listed as £198.00).
• 4-Pack Sentinel Detector: £159.00 (regular price listed as £318.00).
• 2026 Home Safety Guide (ebook): £0.00 (regular price listed as £20.00).

The store also indicated an autumn promotion with 50% off.

Shipping, warranty and trial period

TrustSentinel advertises free international shipping on all orders, a 99-day trial period with a full refund if the customer is not satisfied and a lifetime warranty covering free replacement of the device in the event of failure. The company states that more than 90,000 households use its products and that full coverage of a home usually requires between three and six units.

Safety context cited by the company

The site uses data on the incidence of carbon monoxide in England to justify the product's usefulness: around 4,000 cases of CO poisoning are treated in A&E departments across England every year and only 46% of English homes had a CO alarm in 2020. The company also warns that detectors that do not sound an alarm at dangerous concentrations pose a risk to their users.