Heating System Repair Service
Expert Heating Repair in Chicago, Illinois & Surrounding Areas – Call (708) 673-5633
In Chicago, Illinois, harsh winter weather is expected—but sudden heating problems shouldn’t be. Whether you’re dealing with a minor issue or a complete system breakdown, a malfunctioning heater can quickly turn into a major hassle. That’s why you need fast, reliable service from local HVAC professionals who understand the urgency.
At Square HVAC Repair, we provide top-quality heating repair services for both residential and commercial properties across Chicago, Illinois and the surrounding areas. From broken furnaces to inefficient boilers, our skilled technicians are equipped to handle all makes and models with expert care.
When you call us at (708) 673-5633, you won’t be stuck with an automated response. You’ll talk directly with a friendly, knowledgeable team member who will guide you toward a fast and effective solution.


Why Choose Us for Heating Repairs in Chicago?
Rapid response times
Skilled technicians for furnaces, boilers, and more
Honest, upfront pricing—no surprises
Personable customer service with real people, not machines
Don’t let the cold take over your comfort. Contact Chicago HVAC Repair Doctor today at (708) 673-5633 for trusted heating repairs in Chicago, Illinois and surrounding communities.
Our Heating Repair Services:
Comprehensive Diagnostics
Before we begin any repairs, our experts perform a detailed inspection of your HVAC system. This allows us to identify the root cause of the issue and recommend the most effective solution.
Heating System Repairs
From furnaces to heat pumps, our team specializes in repairing all types of heating systems. Common issues we address include:
- Uneven heating throughout your space.
- Thermostat malfunctions.
- Pilot light or ignition problems.
- Strange noises or odors.
AC System Repairs
If your air conditioning system isn’t performing as it should, we can help. Our AC Repair services include fixing issues like:
- Refrigerant leaks.
- Weak or uneven airflow.
- Faulty compressors or fans.
- Increased energy consumption.
Heating Repair and Furnace Installation
Installing a new HVAC system or upgrading your old one is a significant investment. Our HVAC Installation services focus on proper setup for optimal performance. Need a repair? Our experienced technicians excel in HVAC Repair to extend the life of your equipment. When it’s time for an upgrade, our HVAC Replacement solutions offer energy-efficient options tailored to your budget.
Benefits:
- Long-lasting installations.
- Cost-effective repairs.
- Modern, eco-friendly replacements.
Preventative Maintenance
To keep your HVAC system running smoothly, we offer preventative maintenance plans. Regular tune-ups can help you avoid costly repairs and extend the lifespan of your system.
Signs You Need HVAC or AC Heating Repair
- Inconsistent Temperatures: Your system struggles to maintain a steady indoor temperature.
- Unusual Noises: Clanking, banging, or hissing sounds coming from your HVAC unit.
- Higher Energy Bills: Sudden spikes in your utility costs without increased usage.
- Poor Airflow: Weak or uneven airflow from your vents.
- Frequent Cycling: Your system turns on and off too often, indicating inefficiency.
Benefits of Timely Repairs
- Improved Comfort: Restores consistent heating and cooling for your home or office.
- Energy Efficiency: Reduces energy consumption, saving you money.
- Extended System Life: Timely repairs prevent further damage and prolong your HVAC unit’s lifespan.
- Healthier Air Quality: Eliminates issues that can lead to poor indoor air quality, like mold or dust buildup.
Why Regular Maintenance Matters
Routine HVAC maintenance ensures that your system operates at peak performance. Our maintenance services include:
- Cleaning and inspecting components.
- Replacing filters for improved air quality.
- Checking for wear and tear on parts.
- Calibrating thermostats for accuracy.

Brands We Service
We work with all major HVAC brands, including:
Trane
Carrier
Lennox
Rheem
Goodman
No matter your system’s make or model, we have the expertise to get it working like new.

Our Service Process
Step 1: Initial Assessment
We start with a comprehensive evaluation of your HVAC or heating system to pinpoint the problem.
Step 2: Tailored Solutions
Once diagnosed, we provide a clear explanation of the issue along with repair options tailored to your budget and needs.
Step 3: Expert Repairs
Our certified technicians carry out repairs with precision, using high-quality tools and parts.
Step 4: Final Testing
After completing the repairs, we test your system to ensure it’s working perfectly before we leave.
WHAT OUR CLIENTS ARE SAYING
25 Year
Experince

Vicki Ruffetti
Furnace Problem
Furnace went out Sunday evening. Tech came out same night, ordered and installed needed part before 9 am next day. Very honest and professional! Fair Pricing! Highly recommend!

Johnny Calerway
Installation of new HVAC system
Square HVAC is a great company. Sam came out to my home on time and installed a new HVAC system on short notice. I would highly recommend this company.

Amin
Dryer Repairing
Square came out today and repaired my dryer. Explained what was wrong with it very friendly and professional and very fair on the price will call again for any other services would recommend to friends and family.