Northwest Indiana's
Trusted Gas Piping/HVAC Experts
Since 1959

Serving Lowell, IN & Surrounding Areas

Affiliations: Text about being a signatory contractor with Pipefitters Local Union 597 Chicago. Logo included.

Our Legacy of Safety and Expertise

At South County Mechanical, our expertise in PIPING and HVAC is unmatched. As a licensed, bonded, and insured company and a proud affiliate of Chicago PipeFitters Local 597, we hold ourselves to the highest standards of safety and quality. We provide professional piping/hvac solutions for residential, commercial, and industrial applications, ensuring every project is completed with precision and care. We are your local, trustworthy partners, committed to your safety.

Licensed, Bonded & Insured

Our credentials guarantee that every job is performed by qualified professionals, providing you with peace of mind and protection.

Pipefitters Local 597 Chicago logo: Red/orange/blue circle with shamrock.

Affiliated with Chicago PipeFitters Local 597

 Our partnership with this prestigious union reflects our dedication to excellence and our adherence to the industry's highest standards and practices.

Alarm clock icon, black and white, showing 5 o'clock.

Emergency & Same-Day Service

We understand the urgency of gas-related issues. Our team is available for emergency and same-day services to address your needs promptly.

Our Specialized Services

Delivering Safe, Reliable, and Professional Solutions


At South County Mechanical, we are experts in gas piping for residential, commercial, and industrial applications. Our services are categorized to help you find the precise solution you need, backed by our expertise and commitment to safety.

HVAC system installation: gas boiler, copper piping, radiant heating manifold, and ductwork in a utility room.

Gas Distribution & Piping

  • New gas line installation for all residential, commercial, and industrial properties
  • Appliance hook-ups
  • Mechanical system design and implementation
HVAC unit installed outdoors against a partially built house, on a metal base, in a dirt yard.

HVAC & Heating Solutions

  • Comprehensive HVAC system installation, repair, and maintenance
  • On-demand boiler and package boiler installation and service
  • Hydronic floor heating systems
  • Hot water heater installation, repair, and maintenance
HVAC units with ductwork mounted on the side of a building, ladder leaning against it. Snow on the ground.

Commercial & Industrial Solutions

  • Specialized commercial refrigeration
  • Customized heating and cooling solutions for industrial properties
Five black stars inside a black circle.

Our Commitment to Safety and Satisfaction

Our reputation is built on delivering safe, reliable, and professional services. Our clients consistently praise our expertise, especially our meticulous approach to gas piping projects. We have a 5-star Google rating, reflecting our unwavering commitment to quality and customer satisfaction.

Proudly Serving Northwest Indiana

Black location marker.
  • Lowell, IN
  • Crown Point, IN
  • Saint John, IN
  • Cedar Lake, IN
  • Munster, IN
  • Chesterton, IN
  • Portage, IN
  • Demotte, IN
  • Lake Village, IN
  • Valparaiso, IN
  • Winfield, IN
  • Wheatfield, IN
  • Rensselaer, IN

Our Projects: Precision in Action

The Gold Standard in Gas Piping

Explore our gallery to see our professional work, including precise gas line installations and secure piping for various appliances. Each image highlights our dedication to clean, safe, and professional work that meets the highest industry standards.