7 Commercial HVAC Contractors in Des Plaines, IL
Top-Rated Commercial HVAC Contractors in Des Plaines
Green Tech Plumbing Co.
“356 reviews yield a 4.8-star average with recurrent themes: technicians arrive on time, communicate clearly, and submit honest estimates without aggressive…”
Alltech HVAC Inc
“All five featured reviewers award five stars, citing specific technician competence and system-wide solutions rather than generic satisfaction. Two reviews…”
All Commercial HVAC Contractors (7 total)
American Air Experts
“Fifty-four reviewers awarded perfect 5-star ratings, with seventeen clients specifically highlighting Paul .…”
Advanced Plumbing & HVAC
“Six clients awarded perfect five-star ratings, with multiple reviewers highlighting transparent pricing,…”
Stevensons Air Control
“Four of five five-star reviewers explicitly praised the company's communication, punctuality, or…”
Commercial HVAC Costs in Des Plaines
Commercial system pricing in Des Plaines. Actual costs vary significantly by building size and system type. Request a site-specific quote.
| Service | Low | Average | High |
|---|---|---|---|
Annual maintenance (per rooftop unit) Quarterly inspections | $550 | $1,100 | $2,200 |
Annual contract (small business, < 5K sqft) | $1,100 | $2,750 | $5,500 |
Annual contract (mid-size, 5K-25K sqft) | $3,850 | $7,150 | $11,000 |
Basic rooftop unit replacement | $7,150 | $11,000 | $16,500 |
Small business full system (< 5K sqft) | $8,800 | $17,600 | $27,500 |
Mid-size building (5K-25K sqft) | $27,500 | $55,000 | $88,000 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $7 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Commercial HVAC in Des Plaines, IL: What to Expect
Des Plaines’ position in the Chicago metro means winters with average lows near 18°F and lake-effect wind chill, while summers climb to about 84°F with moderate humidity. That seasonal swing makes heating reliability a dominant concern for businesses, driving steady demand for commercial-hvac Des Plaines services. Seven contractors serve the area, averaging a 4.9 rating from 824 reviews; three provide 24/7 response.
Specific cost entries were not supplied, but the largest commercial-HVAC expenses tend to be equipment replacement (packaged rooftop units and boilers), major ductwork or ventilation upgrades, and long-term maintenance contracts. Illinois has no statewide HVAC license, so verify local municipality licensing and permits as part of cost planning. Expect installation and retrofit bids to vary based on building size, system efficiency, and required permits.
Customer highlights were not provided in the dataset, so look to broader patterns in the market: prioritize contractors with documented emergency coverage, transparent maintenance agreements, and clear warranty terms. Seek references from nearby businesses, confirm local licensing and insurance, and request itemized bids that separate labor, parts, and permit costs to compare true value across proposals.
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All HVAC Contractors in Des Plaines, IL
Complete directory of 32 contractors — browse alphabetically
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All HVAC Contractors in Des Plaines, IL
Complete directory of 32 contractors — browse alphabetically