A co2 detector can be supplied and fitted by gas safe engineer, at a very low cost, as part for our services we recommend fitting a cardon monoxide detector after we carry out a service or a gas safety check on a appliance which uses a chimney, such as gas fire or back boilers these installations are classed as open flued.

An annual service of a gas appliance is recommended by most manufactures, this can validate your warranty on the appliance over a period of years depending on your agreement made when purchasing the appliance.
 
An appliance may be working as it should be,  but in the case of a gas fire or a back boiler safe  functioning also depends on the chimney. Lose debris due to brickwork corrosion, that could cause a blockage creating a dangerous build up of co2. 

A co2 detector is designed to detect dangerous levels of co2 letting you know there is a problem, by a flashing light or a sound depending on the design.

Fitting a co2 detector is usually a very straight forward process, it includes finding the right location fitting, testing and demonstrate to the customer how it works.

After fitting a co2 Alarm periodically the device may need testing similarly to a smoke alarm to ensure its safe functioning, detailed information on when how to test will be in the manufactures instructions, left by the installer after fitting.