About
Welcome to Allen & Nelson Mechanical, where comfort meets expertise. Established in 2020, we have grown to become one of Sioux Falls's most trusted HVAC service providers. Our team handles air conditioning, furnace repair, heat pump installation, ductless systems, and more across the South Dakota area.
Photos
Services
- AC InstallationUSD 296–718 · ESTIMATE
- Commercial HVACUSD 339–421 · ESTIMATE
- Duct CleaningUSD 296–696 · ESTIMATE
- Geothermal SystemsUSD 199–597 · ESTIMATE
- VentilationUSD 211–691 · ESTIMATE
Brands We Work With
Credentials
- License: LIC-17085-US Verified
- Insurance: Verified
- Background check: Passed
- Employees: 6-10
- Service radius: 39 km
Reviews (9)
- ★★★★★Fair pricing
Called Allen & Nelson Mechanical for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Great service!
Allen & Nelson Mechanical installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Reliable and fair
Called Allen & Nelson Mechanical for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Highly recommend
The team from Allen & Nelson Mechanical was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.
- ★★★★★Quality workmanship
Allen & Nelson Mechanical diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Very professional
Outstanding customer service from start to finish. Allen & Nelson Mechanical went above and beyond to make sure we were comfortable.
- ★★☆☆☆Best in town
The team from Allen & Nelson Mechanical was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.
- ★★★★★Outstanding service
Allen & Nelson Mechanical installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Best in town
Very happy with the service from Allen & Nelson Mechanical. They replaced our entire HVAC system and the difference is night and day. Highly recommend.