Lonny's Service: Your HVAC Experts in Watertown, South Dakota
When your heating or cooling system needs attention in Watertown SD, Lonny's Service is the name many local homeowners and business managers trust. They handle everything from routine maintenance to emergency repairs, making sure indoor comfort is reliable year-round.
Business Overview
Lonny's Service focuses on both residential and commercial HVAC needs. Their team of trained technicians is ready to help, offering emergency service for those sudden breakdowns during a South Dakota cold snap or summer heatwave. They understand how important a working system is for families and businesses alike.
Key Services
The company provides a full range of heating and air conditioning services. Common jobs include:
- Furnace and boiler repair and installation
- Air conditioner service and replacement
- Heat pump maintenance
- Ductwork inspection and cleaning
- Indoor air quality checks
- Thermostat installation and upgrades
They help with new system choices for older homes and keep commercial buildings running efficiently.
Areas Served
Lonny's Service proudly covers Watertown SD and a wide region of northeastern South Dakota. Their regular service area includes Milbank, Sisseton, Flandreau, Volga, Webster, Groton, Clear Lake, Aurora, Britton, Agency Village, Clark, De Smet, and nearby towns. Working in these communities for years has given them useful knowledge about local housing styles, common system types, and the specific climate challenges faced here.
Company History
The business started with a simple goal: to provide honest, dependable HVAC work for Watertown area residents. Over time, through consistent customer care and quality workmanship, Lonny's Service grew its reputation and service territory. They've built a loyal client base by sticking to straightforward, fair practices.
Leadership
The owner's deep roots in the region mean this isn't just a job—it's about serving neighbors. With hands-on experience in the HVAC field and involvement in local community life, the leadership at Lonny's Service ensures the company remains focused on what matters most to customers.
Specialties & Highlights
Several things set Lonny's Service apart:
- Prompt response times, especially for urgent heating issues during winter.
- Clear, upfront pricing with no surprise fees.
- Technicians who take time to explain options and answer questions.
- Support for a variety of system brands and models found in area homes.
- A commitment to using quality parts that last.
Why Locals Choose Lonny's Service
People in Watertown SD and the surrounding towns return to Lonny's Service because they deliver what they promise. It's the combination of reliable work, familiar local presence, and a straightforward way of doing business. For heating and air conditioning needs, many in northeastern South Dakota have found a dependable partner in Lonny's Service Watertown SD.
Contact Information
Lonny's Service
: 1306 13th Ave SE, Watertown, SD 57201
Business Services
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |



















