In an effort to keep your home as comfortable and healthy as possible you have scheduled an air duct cleaning service to come into your home while before winter break. Interestingly enough, when you made the call to schedule the appointment you also learned that air duct cleaning also makes many HVAC systems run more efficiently. With that bonus information in mind, you realized that this is a task that you likely should have scheduled much sooner. With a family that suffers from allergies nearly year round, the air duct cleaning is an investment that you are going to work…