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About Northern Illinois Heating/Cooling
Northern Illinois Heating/Cooling operates as a heating contractor serving the Chicago metropolitan area and surrounding Northern Illinois communities. The business holds a 4.5-star rating derived from 31 customer reviews, reflecting consistent service quality across residential projects. Multiple reviewers confirm the company handles air conditioning and heating system installations, repairs, and replacements for homes throughout the region.
The company focuses on responsive residential service without advertised specialty brand partnerships or unusual certifications visible in available information. Reviewers consistently mention fair pricing and efficient work completion as defining characteristics of their service approach.
Customer reviews highlight Harvey as a technician who delivered same-day A/C repair within two hours for one Chicago homeowner facing an emergency during warm weather. Another reviewer noted Harvey correctly diagnosed a furnace issue that other contractors claimed required full replacement, saving significant expense. The company completed a next-day air conditioner installation for a reviewer who received a same-day quote.
What Customers Say
All eight detailed reviews carry 5-star ratings, with six explicitly naming Harvey as the technician who handled their project. Three reviewers specifically mention same-day or next-day service response times. Pricing appears as a positive theme across multiple reviews, with customers noting fair costs and money saved compared to other contractor estimates.
Services
Air Conditioning Repair
Diagnosing and repairing AC systems, including part replacement when specific components fail.
Air Conditioning Installation
Installing new cooling equipment with manufacturer warranties up to 10 years.
Heating System Repair
Fixing furnace and heating issues that other contractors may misdiagnose as requiring replacement.
New System Installation
Full heating and cooling system installations for residential properties.
Emergency Service
Same-day response for urgent heating and cooling needs, often completing repairs within hours.