Lonny's Service

Lonny's Service, located at 1306 13th Ave SE in Watertown, SD, specializes in comprehensive HVAC solutions tailored to your needs. Our expert team offers reliable air conditioning installation and repair, efficient heating system services, and thorough indoor air quality assessments. We understand the importance of comfort in your home or business, which is why we provide 24/7 emergency services. With a commitment to quality workmanship and customer satisfaction, Lonny's Service is your go-to HVAC provider in Watertown, ensuring your systems run smoothly year-round. Trust us to keep your environment comfortable and energy-efficient.