NJL Heating and Air conditioning

NJL Heating and Air conditioning operates as an HVAC contractor in Des Plaines, Illinois. The business holds a 4.9-star rating derived from 14 customer reviews, reflecting consistent satisfaction across recent service calls. Working hours span Monday through Saturday, with Friday and Saturday offering shorter windows and Sunday marked as closed. The contractor maintains a physical presence in Des Plaines and serves the surrounding Cook County area.

The company handles both residential and light commercial projects, with reviewer feedback indicating capability across multiple trades. One customer narrative describes a same-day repair during a prolonged cold spell, with the technician sourcing rare components locally to complete the installation within the same day. Another account references full AC unit installation and humidity troubleshooting, with the reviewer noting the contractor avoided upselling unnecessary services. These specific scenarios differentiate the business from competitors who may default to replacement recommendations.

Customer feedback consistently highlights responsiveness and fair pricing. Reviewers describe the principal technician as straightforward in diagnostics, recommending repairs before suggesting system replacement. Multiple accounts mention the technician by first name and note multi-trade capability including plumbing and electrical work alongside HVAC services. One reviewer with 20 years of experience at a municipal highway department recommends the company based on repeated service quality.