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Comfort. Safety. Reliability.

Northwest Indiana’s Trusted HVAC & Gas Piping Experts

Family owned and operated. Serving Lowell, Cedar Lake, Crown Point, Munster, St. John & surrounding NWI areas.
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Call Us: (219) 552-0228
Chicago PipeFitters Local 597

Proud Members of Chicago PipeFitters Local 597

Our Local 597 affiliation means every job is handled by union-trained professionals held to the industry’s highest standards for safety, code compliance, and craftsmanship. For customers, that’s the confidence of knowing the work is done right the first time. For skilled tradespeople, it’s a team that invests in training, safety, and quality work worth taking pride in.

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Our Services

Heating, Cooling & Gas Piping You Can Count On

At South County Mechanical, we keep Northwest Indiana homes and businesses comfortable and safe year-round. From furnace and air conditioning service to expertly installed gas lines and dependable water heaters, our licensed, bonded, and insured team delivers quality workmanship on every job backed by 65+ years of local experience and a commitment to doing it right the first time.

Gas Piping

Our specialty since 1959. Safe, code-compliant gas line installation, repair, and appliance hookups for residential, commercial, and industrial properties done by union-trained pros.
Gas Piping Services

HVAC Services

Furnace, air conditioner, heat pump, and mini-split repair, installation, and maintenance - plus indoor air quality solutions to keep your home healthy in every season.
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Other Services

Commercial hood repair, commercial refrigeration, reliable hot water and more. We install and replace tank and tankless water heaters so you get dependable hot water when you need it.
Other Services
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Commercial rooftop gas piping installation by South County Mechanical
WHY CHOOSE US

Reliable HVAC & Gas Piping Experts Serving Northwest Indiana

Whether you need a furnace repaired before the first cold snap, a new AC installed, or a gas line run for a remodel, we focus on quality work, safety, and clear communication from start to finish.
  • 65+ Years of trusted local service
  • Safety First on every project
  • Union Quality you can count on Chicago PipeFitters Local 597
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CUSTOMER REVIEWS

Our Commitment to Comfort and Satisfaction

Our reputation is built on safe, reliable, professional service. Homeowners and businesses across NWI trust us for everything from seasonal tune-ups to complex gas piping projects and our 5-star Google rating reflects that. See why your neighbors call South County Mechanical first.
Our Projects: Precision in Action

The Gold Standard in HVAC & 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.
Bank of tankless water heaters with copper manifold piping installed by South County Mechanical
Flexible HVAC ductwork run through an attic by South County Mechanical
Furnace and water heater in a residential mechanical room
High-efficiency furnace and ductwork installed in an unfinished basement
South County Mechanical service vans at an industrial job site
Commercial rooftop units and spiral vent risers on a Northwest Indiana building
Exterior gas line and shutoff valve at a brick building
Air conditioner condenser installed at a home under construction
Furnace with PVC venting in a finished utility room
Built on Safety, Skill, and Trust

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 and 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

every job done by qualified professionals, for your complete peace of mind.

Chicago PipeFitters Local 597

union-affiliated experts held to the industry’s highest standards.

Emergency & Same-Day Service

fast, reliable response when you need us most. Call (219) 552-0228.

SERVICE AREAS

Proudly Serving Northwest Indiana

We provide reliable HVAC and gas piping service for homes and businesses throughout Northwest Indiana, with a focus on Lowell, Cedar Lake, Crown Point, Munster, and St. John.
South County Mechanical proudly serving Northwest Indiana
  • Lowell
  • Cedar Lake
  • Crown Point
  • Munster
  • St. John
  • Schererville
  • Dyer
  • Highland
  • Griffith
  • Hobart
  • Winfield
  • DeMotte
  • Valparaiso
  • Wheatfield
  • Chesterton
  • Portage
CONTACT

We’re Here When You Need Us

Get quick support from South County Mechanical. Call, chat live, or book online to schedule reliable HVAC and gas piping service.

Call Us

Questions that need answering? Give us a call today: (219) 552-0228
(219) 552-0228

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