Just like normal people, HVAC contractors, when doing some maintenance or repairs on customer’s Heating Ventilation and Air Conditioning (HVAC) systems, also make mistakes that lead to hurting their businesses or sometimes their customers. Let’s see what the common and the biggest mistakes are.
1. Lack of combustion safety knowledge. When your HVAC system releases carbon monoxide, your alarm would go off and you then start calling a contractor. When it comes to problems like this, contractors often go straight to the heat exchanger to determine if there are any cracks or damages that may cause the unit to release the gas. Although, there are times that they won’t find any yet, the carbon monoxide alarm would still go off. Contractors will then go to conclusions that the problem is not with the unit, rather the alarm. So it results to them changing the alarm’s batteries.
Most contractors don’t … read full article