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About Triangle Environmental Inc.

Triangle Environmental HVAC-Refrigeration is a Commercial Contractor Providing Service & Maintenance to Restaurants, Retail Stores, Movie Theaters, Manufacturing, Industrial & Warehouse facilities, Grocery Stores & Office Buildings.

Triangle Environmental Inc is a family owned HVAC business established in 1983. For 35 years Gary Maciejewski has built our HVAC business by providing excellent service, building trust with our customers and bringing a solid work ethic to each project.

air condition compressor on the building

Our Goal

At Triangle HVAC our goal is to offer our customers honest and professional HVAC-Refrigeration work at fair prices. Trust and fair pricing is a major factor in today’s market place and clients demand and deserve the HVAC service they are paying for. The team at Triangle are proponents of being proactive with our customers by working with them to deliver service and maintenance according to our customers business needs and requirements.

Are you in Chicago and in need of maintenance, repair, or replacement for your commercial HVAC or refrigeration systems? Call us at 815-439-0300.

24/7 Emergency Service,
365 Days a Year

12033 S Spaulding School Dr
Plainfield, IL 60585



Monday: 8:00 AM – 4:00 PM
Tuesday: 8:00 AM – 4:00 PM
Wednesday: 8:00 AM – 4:00 PM
Thursday: 8:00 AM – 4:00 PM
Friday: 8:00 AM – 4:00 PM
Emergency Service 24/7