Water Heater Repair Services

A malfunctioning water heater can disrupt daily routines—from cold showers to lack of hot water for dishes. Our Water Heater Repair Services diagnose and fix issues—tank or tankless—quickly and efficiently, serving homes and businesses throughout Illinois.

A malfunctioning water heater can disrupt daily routines—from cold showers to lack of hot water for dishes. Our Water Heater Repair Services diagnose and fix issues—tank or tankless—quickly and efficiently, serving homes and businesses throughout Illinois.

Water Heater Repair

A dysfunctional water heater is more than an inconvenience—it can cause water damage and health risks. Smart Heat of Illinois’s Water Heater Repair Services cover all models and fuel types. From Chicago’s South Side to rural farmhouses near Quincy, our technicians arrive fully equipped with common replacement parts—heating elements, gas valves, thermocouples, and fittings—to restore hot water in a single visit whenever possible.

What We Repair

Our expert technicians handle all common water heater issues, including:

  • Electric heating element replacement (240V electric tanks)
  • Gas valve and thermocouple replacement on gas-fired tanks
  • Pilot burner cleaning, adjustment, and relighting
  • Tank leak detection and tank seal repairs (or replacement recommendations)
  • Sediment buildup removal and pressure relief valve reset
  • Tankless water heater burner & control board diagnostics and repair
  • Anode rod and dip tube replacement to prevent corrosion
  • Thermostat and tempering valve recalibration or replacement

Signs You Need Immediate Repair

Schedule repair if you notice any of these critical signs:

  • No hot water or rapidly fluctuating water temperatures
  • Water pooling or dripping around the base of the heater
  • Loud rumbling or popping noises inside the tank
  • Water sputtering or spitting from hot-water faucets
  • Strong sulfur or rotten-egg odor from hot water (bacterial buildup)

Why Choose Smart Heat of Illinois for Repairs?

Family owned and operated since 2010, Smart Heat of Illinois has repaired thousands of water heaters statewide—no matter how remote. Our technicians carry digital manometers (for gas line diagnostics), clamp-on ammeters (for electrical troubleshooting), and infrared cameras (for tank leak detection). All repairs carry a 90-day parts & labor warranty. If the tank itself has failed, we provide a free replacement estimate and apply repair labor cost toward the purchase of a new unit. Emergency service is available anywhere in Illinois.

Monday – Saturday, 7AM – 7PM (Emergency service available)

1–3 hours (typical repair time)

90-day parts & labor warranty on repairs

Rheem, Bradford White, Navien, AO Smith, Rinnai, Noritz

Q: Do you repair both tank and tankless water heaters?

A: Yes—we service electric and gas tanks, as well as all major tankless models. Our technicians are certified in gas burner adjustments and electronic control diagnostics.

Q: What should I do if my water heater is leaking?

A: Turn off power or gas supply, shut off the cold-water inlet valve, and contact a professional immediately to avoid water damage.