Heating Repair Services in Southern & Metro East Illinois
For more than 45 years, Mars Plumbing & Heating, Inc. has helped homeowners and businesses restore comfort with dependable heating repair services throughout Southern Illinois and the Metro East region. From Fayette, Effingham, Montgomery, Bond, Madison, St. Clair, and nearby counties, our licensed HVAC technicians deliver prompt, professional service backed by honest pricing and decades of hands-on experience.
As a family-owned and operated company, we offer 24/7 live answering, upfront estimates, and high-quality workmanship backed by skilled, certified heating specialists.
Furnace Repair
A malfunctioning furnace can lead to rising energy bills, inconsistent temperatures, or complete system failure. Our technicians diagnose issues such as ignition problems, faulty sensors, airflow blockages, cracked heat exchangers, and blower motor failures. Whether your furnace is gas, electric, or high-efficiency, we provide safe, accurate repairs that restore dependable heating.
Boiler Repair
Boilers require specialized training. We repair circulation problems, leaks, burner issues, pressure fluctuations, and system inefficiencies in both residential and light commercial boilers. From older hydronic systems to modern high-efficiency units, our team has the knowledge to restore consistent, reliable heat.
Heat Pump Repair
Heat pumps play a dual role, providing heating and cooling. When temperatures drop, a failing heat pump becomes an immediate comfort issue. We repair refrigerant leaks, reversing valve failures, thermostat communication problems, frozen coils, and sensor issues. Our team ensures your system operates efficiently even in challenging Illinois winters.
Thermostat Troubleshooting & Repair
A thermostat issue can mimic a major system failure. We repair wiring problems, unresponsive controls, sensor malfunctions, or compatibility issues. Many homes across the Metro East region regain full function simply through accurate thermostat repair or replacement.
Why Homeowners Choose Mars Plumbing & Heating
- Over 45 years serving Southern & Metro East Illinois
- Licensed and insured heating repair specialists
- Fast, reliable service for homes and small businesses
- 24/7 live answering for urgent heating issues
- Upfront pricing with no surprise charges
- Service coverage across Fayette, Effingham, Montgomery, Bond, Madison, St. Clair & surrounding counties
FAQ – Heating Repair in Southern & Metro East Illinois
How fast can you arrive for a heating repair?
We offer same-day service and 24/7 support for emergency heating calls across Southern and Metro East Illinois.
Do you service older heating systems?
Yes. Our technicians are trained to repair both older and modern furnaces, boilers, and heat pumps.
Why is my furnace blowing cold air?
This could be caused by a faulty ignitor, limit switch, thermostat, or airflow restriction. We diagnose the root cause and provide long-term solutions.
Do you offer repairs for all brands?
Absolutely — we repair all major heating equipment brands.
Are your repairs guaranteed?
Yes. All heating repair work includes a workmanship guarantee.
Schedule Your Heating Repair Today
Restore your home’s comfort quickly and safely. Contact Mars Plumbing & Heating today to schedule reliable heating repair service in Southern Illinois and the Metro East region. Explore our full heating services to keep your system running at its best.