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High-Quality Heating and Air Conditioning Services in Lincoln Square

Turn to Deljo Heating and Cooling for professional heating and air conditioning services around Lincoln Square. We are one of the leading HVAC companies in Chicago. As such, we have a team of highly-qualified technicians providing comprehensive repairs, maintenance, and installations. You can count on us for great service, fair prices, and solutions that fit your needs and budget.

Comprehensive Heating and Air Conditioning Services

With their expertise and factory-training, our NATE-certified technicians can confidently handle various heating and cooling systems, including:

  • Furnaces
  • Air Conditioners
  • Boilers
  • Heat Pumps
  • Ductless Mini Splits
  • Water Heaters
  • Indoor Air Purification Systems

We work tirelessly to ensure your comfort and satisfaction. For a more detailed overview of our services, take a look below.

Expert Repairs

Our prompt and efficient repair services ensure your home has reliable year-round heating and cooling. Our furnace repairs in Lincoln Square will help you stay warm in the winter. We will address any faulty components in your furnace, boiler, or heat pump.

We also help you stay cool in the summer with quality AC repairs. Our technicians diagnose and resolve issues with central air units, ductless mini splits, wall-mounted, and portable units. As part of our air conditioner repair services around Lincoln Square, we address all issues, including the refrigerant, coils, blower motors, and other essential cooling components.

Preventive Maintenance

Our maintenance services keep your HVAC system running smoothly and efficiently. With these yearly check-ups, our team will inspect, clean, and adjust your system. In doing so, we catch problems early and save you from costly repairs later. Moreover, we ensure your HVAC system lasts longer, works properly, and uses less energy.

New System Installation and Replacement Services

HVAC equipment typically lasts around 10 to 15 years with proper care. If your system is facing its final days of efficient operation, now’s the time to consider a replacement. We’ll help you find the perfect system for your needs and budget, and install it promptly and skillfully.

Available 24/7 for Emergencies

We know that HVAC issues can happen anytime. If your system acts up when you least expect it, call us. We are available 24 hours a day, including late-nights, weekends, and holidays.

Why Choose Deljo Heating and Cooling?

Our legacy as one of Chicago’s best HVAC companies dates back to 1922. Since then, we’ve remained committed to excellence, customer satisfaction, and professional integrity. Our mission is to provide affordable, high-quality HVAC service for every homeowner in the Chicago area. To achieve this, we offer:

You can always rely on us whenever you need professional heating and air conditioning service in Lincoln Square. That’s a Deljo promise.

Contact Us Today

We’re just a quick phone call away from elevating your home’s comfort and energy efficiency. Dial 773-829-4295 to schedule an appointment, or click here for a free quote. Our team is always ready to address your questions, concerns, or emergency calls.

Client Testimonials

Read the opinions of our satisfied customers.

I always use Deljo. The entire staff is amazing from intake calls to install. They were fast, professional and gave us a fair price.

Monica OConnor Chicago IL.

Joe was great. We came home to a cold house on a Sunday night and he came out to diagnose the issue right away. Very knowledgeable, very friendly.

Kyle Sant Chicago IL.

We’ve been using Deljo for several years and have had a great experience with them. They’re prompt, reliable, and trustworthy. The technicians (David was the most recent) have been great.

Ari Telisman Chicago IL.

My hot water heater had some leaky pipes due to corroded unions. The repair took longer than I thought due to some unforeseen circumstances. Unfortunately after the repairs the water heater stopped working...

Maria Pradd Chicago IL.

Questions? We Can Help! Contact Us Today!

Our Service Areas

Contact Deljo Heating & Cooling today. We look forward to hearing from you and helping out with all your indoor comfort needs.

Chicago Suburbs

Chicago Neighborhoods