Kohnens Heating & A/C LLC is a professional heating and cooling & air duct and dryer vent cleaning service provider. Specializing in residential, commercial, and industrial duct cleanings and HVAC cleaning, repair, tune-ups and installations, we are Paynesville, MN s air quality choice. We provide NADCA-certified air duct cleaning and dryer vent cleaning services, making us Paynesville, MN premier choice for total HVAC care.