Your family’s safety comes first. Get the job done right the first time. Haddon Heating is a Level Three certified W.E.T.T. Inspector and Installer. Moving into a home with wood heat? Even if your wood-burning appliance was inspected and passed inspection by a reputable home inspector, we recommend that you have it inspected more thoroughly by a certified inspector. When the safety of your family and home is riding on the quality of the installation and inspection of your wood-burning appliance, it makes sense to call a professional before lighting that first fire. Whether it's for the safety of your home and family or insurance purposes, our WETT-certified inspectors can provide all levels of WETT inspection .