5 Commercial HVAC Contractors in Sulphur, LA

4.7 avg rating
896 total reviews1 offer 24/7 service
Need emergency service? 4 HVAC providers in Sulphur offer 24/7 availability

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Top-Rated Commercial HVAC Contractors in Sulphur

#1

King Mechanical LLC

4.9(417 reviews)
Highly Rated

417 reviewers award King Mechanical a 4.9-star average, with multiple customers naming specific technicians including Cody, Amani, and Jeremy. Positive…

255 S Post Oak Rd, Sulphur, LA 70663
#2

Trouth Air Conditioning & Sheet Metal

4.8(473 reviews)
24/7 Highly Rated

All five-star reviews reference named technicians, Christopher, Troy, Malik, Nick, Dylan, or Royce, with particular praise for on-time arrival and transparent…

1212 Whitaker St, Sulphur, LA 70665
#3

Air Handlers HVAC Specialists

4.0(4 reviews)

Four customer reviews yield a 4.0-star average, though notably only one review is publicly visible. Recent feedback cites frustration with missed callbacks and…

2412 Maplewood Dr Suite 5, Sulphur, LA 70663

All Commercial HVAC Contractors (5 total)

ICM Air Conditioning Lake Charles

5.0(1)

With only one client review on record, ICM Air Conditioning Lake Charles holds a 5.0-star rating. The review…

325 N Beglis Pkwy, Sulphur, LA 70663

Johnson Controls Lake Charles Service Office

5.0(1)

One customer awarded a 5-star rating, praising the company's evident knowledge of air conditioning and…

Bayou Cir, Sulphur, LA 70663

Commercial HVAC Costs in Sulphur

Commercial system pricing in Sulphur. Actual costs vary significantly by building size and system type. Request a site-specific quote.

ServiceLowAverageHigh
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 Sulphur, LA: What to Expect

Lake Charles’s coastal influence keeps Sulphur steamy and humid much of the year, with August highs around 93°F and humidity near 80 percent, plus frequent morning fog. That combination drives heavy cooling and latent-load needs for local businesses, fueling demand for commercial-hvac Sulphur services. Five contractors serve the area, averaging a 4.7 rating across 896 reviews.

Specific project pricing varies with system capacity, rooftop vs. split systems, and ventilation upgrades; detailed line-item costs from local topCostItems weren’t provided, so request itemized proposals for accurate bids. Louisiana requires a Mechanical Work Contractor License with the HVAC subclassification from the LSLBC, so verify licensing and permit handling before accepting estimates to avoid compliance issues.

No customer highlights were included in the supplied data, so focus on common market signals when hiring: prompt emergency availability (one local firm offers 24/7 service), documented humidity-control experience, clear maintenance plans, and measurable energy-efficiency proposals. Ask for load calculations, references for similar commercial properties, and written warranties to reduce operational risk in Sulphur’s demanding climate.

Frequently Asked Questions

Commercial HVAC in Sulphur varies widely by building size. Annual maintenance contracts run $1,000-$10,000+ depending on unit count and service frequency. Rooftop unit replacement starts around $6,500-$15,000, small business systems (<5K sqft) run $8,000-$25,000, and mid-size buildings cost $25,000-$80,000 installed.