Commercial Services

A properly working HVAC system is crucial in a commercial property. To ensure your system works at peak efficiency and to quickly address any problems, the Kalins team offers full-service HVAC repair, maintenance, and replacement services in Sioux City, IA; Vermillion and Yankton, SD.

Design & Installation

Is it time for a new heating and cooling system in your building? We specialize in retrofitting buildings with the latest HVAC systems. We provide full and partial HVAC system replacement, as well as brand new ground-up installations. The Kalins team has the experience and knowledge to meet your exact specifications.

Email our Installation Manager Steve at for any installation estimates or questions. In Vermillion, contact Todd Nelson at


The last thing you want as the owner of a commercial building is for the heating or cooling system to stop working. We strongly encourage everyone to take a proactive approach and have your systems regularly inspected and maintained. This will ensure your systems work efficiently and will end up saving you money in the long term. We offer maintenance plans for all business needs.

Duct Work

We can repair and/or replace your existing ductwork.

Lennox Premier Dealer

Heating &
Indoor Air
When You Want Comfort... You Want Kalins!

Kalins Indoor Comfort provides homeowners throughout the
Tri-State area with reliable, quality services and a commitment to
the highest levels of client satisfaction.

(712) 252-2000 Sioux City
1715 4th Street Sioux City, IA 51101
(605) 624-5618 Vermillion
710 Cottage Avenue Vermillion, SD 57069
(605) 665-4348 Yankton
2018 Broadway Yankton, SD 57078