6 Commercial HVAC Contractors in Duncanville, TX
Top-Rated Commercial HVAC Contractors in Duncanville
One Source Plumbing & Air
“527 reviews yield a 4.7-star average, with every sampled review awarding 5 stars. Multiple reviewers specifically mention same-day or within-two-hours response…”
Rangers Air Heating & Cooling
“Every reviewer awarded a perfect 5-star rating, with Victor and Luis named explicitly across seven of eight testimonials. Customers consistently praised…”
All Commercial HVAC Contractors (6 total)
TemperaturePro Mesquite-Duncanville
“All six detailed reviews award five stars, with three specifically mentioning technician Daniel and praising…”
Morrison Heating and Air Conditioning
“Across 42 customer reviews, Morrison Heating and Air maintains a 4.4-star average with zero ratings below…”
Commercial HVAC Costs in Duncanville
Commercial system pricing in Duncanville. 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 | $500 | $1,000 | $2,000 |
Annual contract (small business, < 5K sqft) | $1,000 | $2,500 | $5,000 |
Annual contract (mid-size, 5K-25K sqft) | $3,500 | $6,500 | $10,000 |
Basic rooftop unit replacement | $6,500 | $10,000 | $15,000 |
Small business full system (< 5K sqft) | $8,000 | $16,000 | $25,000 |
Mid-size building (5K-25K sqft) | $25,000 | $50,000 | $80,000 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $6 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Commercial HVAC in Duncanville, TX: What to Expect
In the Dallas-Fort Worth metro, Duncanville sees summers climb to 96 F with over a hundred days exceeding 90 degrees each year. Temperature swings across seasons mean commercial cooling systems work hard in summer and heating units cycle through winter, driving year-round demand for professional Commercial HVAC in Duncanville. Seven contractors serve the area, maintaining a 4.8 average rating across 872 reviews, with three offering around-the-clock emergency service.
Texas law requires commercial HVAC contractors to hold either a Class A unlimited license or a Class B license from the TDLR, covering systems up to 25 tons of cooling or 1.5 million BTU per hour for heating. For small businesses under 5,000 square feet, annual service contracts typically range from $1,000 to $5,000, while mid-size buildings between 5,000 and 25,000 square feet see costs between $3,500 and $10,000 annually. Standalone rooftop maintenance runs $500 to $2,000 per unit each year.
Customer feedback highlights rapid response as a differentiator. Rangers Air Heating & Cooling earns consistent praise for same-day emergency service, with technicians Victor and Luis mentioned across multiple reviews. Cotton Electric Service also receives 5-star ratings across 62 reviews, with customers noting honesty and professionalism from technicians Randy, Josh, Michael, and Donald.