Just like normal people, contractors, when tuning up or repairing a furnace, make mistakes that lead to hurting their businesses or sometimes their customers.
Here are the most common and biggest mistakes:
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 have enough knowledge about back drafting combustion appliances, resulting to them not … read full article