MaintenanceUpdated July 19, 2026
Adding a gas line for a new range or grill is one of those jobs that can seem straightforward but requires real attention to detail. In a place like Highwood, where homes often date back to the early and mid-1900s, you've got to consider older piping, shifting soil, and unique layouts before you even thread the first piece of pipe. We see a mix of Cape Cod, Colonial Revival, and Mid-Century Modern designs in these neighborhoods. Each brings its own quirks to a job like this, from tight crawlspaces to plaster and lath walls, or rigid old galvanized supply lines that may not play nicely with new work.
The Basics of Running a New Gas Line
Every gas appliance, whether it's a kitchen range or an outdoor grill, needs a dedicated and properly sized supply line. We start by checking the main gas meter and existing manifold, then calculate the necessary pipe diameter and route based on the total BTU demand. For older homes, we inspect for prior modifications, abandoned lines, or corrosion. Sometimes there's a mess of old steel pipe, and each connection needs to be checked for leaks or signs of aging joints. Safety is non-negotiable.
Why Gas Line Jobs Aren't DIY Friendly
We've encountered plenty of gas line setups over the years, and experience matters here. Illinois code requires all gas work be done by licensed professionals, and with good reason. Improper installation can lead to dangerous leaks, carbon monoxide exposure, or even explosions. Many Highwood homes have older infrastructure, and tying into old galvanized or black steel lines takes the right materials and torque values to avoid damage. We use thread sealant and test every joint to make sure nothing slips through. Gas pressure must be verified after installation with a proper test gauge, no guessing.
Special Challenges with Highwood's Homes and Climate
Clay soil is common around Highwood. While it offers decent stability, it doesn't drain fast, which can be rough on underground gas lines, especially with the freeze-thaw cycles every winter. Ground heaving can shift pipes, so we select materials rated for direct burial and may recommend a tracer wire for future location. For interior runs, we often have to run new pipe through basements that might also house aging water heaters and older boilers. Careful planning avoids crossing or crowding these existing utilities.
Steps We Take for a Safe, Compliant Installation
- Inspect and map the existing gas infrastructure in your home.
- Size and chart the new line route, considering BTU needs and appliance requirements.
- Use approved piping (usually black iron indoors, CSST or coated steel outdoors) with appropriate supports and risers.
- Pressure test the entire system after assembly with a calibrated gauge, not just soapy water.
- Secure all permits and schedule any required inspections with the city.
- Label and tag shutoff valves for future reference, especially on multi-appliance systems.
We don't cut corners. It's our job to make sure every connection is tight and every valve is accessible. If we discover old or corroded lines while working, we let you know. In some cases, a replacement or upgrade is the safest bet, and we can discuss pipe repair and repiping options.
Outdoor Grill Lines and Weather Considerations
Running a gas line to an outdoor grill in Highwood means planning for both summer storms and winter freezes. We only use pipe rated for underground service, and we pay close attention to how the line exits the home. Every exterior appliance gets its own shutoff and a drip leg to catch moisture. Flexible connectors, if used at the grill end, must be weather-resistant and rated for outdoor use. We also consider the high water table in some neighborhoods, lines are never buried in low spots where water pools.
Warning Signs and When to Upgrade
Older homes sometimes have hidden risks related to old gas piping, especially if you don't know the full history of previous renovations. Watch for these warning signs before or after installing new gas appliances:
- The smell of gas near new or old connections (that rotten egg odor means trouble).
- Loose, missing, or painted-over gas shutoffs.
- Corrosion or visible rust on exposed pipes or valves.
- Appliances failing to light or frequent pilot outages.
- Unexplained increases in your gas bill.
If you spot any of these issues, call us right away. We're equipped to handle leak detection and repair, and can advise on modernizing your system for safety and code compliance.
Frequently Connected Services
Gas line work often overlaps with other jobs around the house. New kitchen or outdoor appliances can tie in with faucet and fixture installation or even kitchen remodeling if you're planning a bigger project. And if your old pipes show signs of age, it's never a bad idea to have your plumbing infrastructure checked over for leaks or blockages, especially in older clay tile or galvanized lines.
If you're adding a new range or grill to your Highwood home and need expert gas line installation, give us a call at 224-524-1625. Our team handles every step, from permits to pressure testing, so you can cook and grill with confidence all year round.