
Yes, our trained technicians safely clean all types of residential and commercial HVAC systems without causing damage. This includes units in older homes in Covington as well as new installations in Snellville and Conyers.
Common signs include dust accumulation on vents, unusual odors, visible mold, or reduced airflow. If you notice these issues in Covington, Monroe, or surrounding towns, it’s time to call John’s HVAC and Maintenance LLC.

Costs vary depending on the size of your property and the complexity of the duct system. Contact us for a free estimate tailored to your home or business.
We primarily use mechanical cleaning methods and HEPA filtration, minimizing the use of chemicals unless specifically requested for mold treatment.
Yes, removing accumulated debris and dust allows your HVAC system to operate more efficiently, lowering energy bills and extending the system’s life.
Regularly replace air filters, keep vents free from dust, and schedule periodic professional cleaning every few years.
Yes, we serve surrounding towns including Conyers, Loganville, Monroe, Oxford, Social Circle, and Snellville, ensuring professional duct cleaning across the region.