Carbon monoxide is a poisonous gas that has no smell and appearance. So it cannot be noticed but only tested. It is a lethal gas that could cause human death too. The gas is known as a silent killer so it is essential to get your heaters tested for the same. Unserviced and faulty heating systems could cause leakage of carbon monoxide. You need professionals to perform carbon monoxide testing. SK Cleaning has the answer for you, call us now!