6 Commercial HVAC Contractors in Dacula, GA

4.8 avg rating
1,023 total reviews4 offer 24/7 service
Need emergency service? 6 HVAC providers in Dacula offer 24/7 availability

Top-Rated Commercial HVAC Contractors in Dacula

#1

Hero Heating and Air, Inc.

5.0(451 reviews)
24/7 Highly Rated

All 451 reviews award 5 stars, with multiple reviewers specifically praising same-day response times and upfront pricing. Technicians Shakyra, Jason, and Mandy…

710 Dacula Rd, Dacula, GA 30019
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#2

Quality Air Care HVAC Company & Air Duct Cleaning

5.0(428 reviews)
24/7 Highly Rated

417 reviews yield a perfect 5-star average with recurring mentions of technician Tobias, who appears in multiple detailed reviews. Customers consistently cite…

710 Dacula Rd #4a, Dacula, GA 30019
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#3

Alpha & Omega HVAC

5.0(87 reviews)

All 7 visible reviews award 5 stars, with reviewers consistently mentioning Rodney by name and highlighting his honest diagnostics, same-day availability, and…

470 Dacula Rd #2225, Dacula, GA 30019
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All Commercial HVAC Contractors (6 total)

G2 Plumbing Services LLC

4.9(36)
24/7

35 of 36 reviews award 5 stars, with customers praising same-day response times, transparent $79 service…

Dacula Rd, Dacula, GA 30019
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SJ Moore Heating & Air

4.8(16)
24/7

All six reviewers awarded 5-star ratings, with three customers mentioning more than a decade of continued…

1738 Autumn Sage Dr, Dacula, GA 30019
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ECC-HVAC

4.2(5)

Three of five reviewers specifically mention same-day service arrival, with positive feedback highlighting…

2682 Amberly Glen Dr, Dacula, GA 30019
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Commercial HVAC Costs in Dacula

Commercial system pricing in Dacula. 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 Dacula, GA: What to Expect

Dacula sits within the Atlanta metro's hot and humid summer pattern, where the heat index regularly climbs above 100 F across roughly 47 days each year. That kind of stress on cooling equipment drives steady demand for Commercial HVAC in Dacula, and local contractors have responded. Six companies serve the area with an average rating of 4.8 stars drawn from more than a thousand reviews, and half of them maintain around-the-clock availability for emergency calls.

Annual maintenance on a rooftop unit runs $500-$2000, while a maintenance contract for a small business under 5,000 square feet typically costs $1,000-$5,000. Mid-size facilities between 5,000 and 25,000 square feet fall in the $3,500-$10,000 range. In Georgia, commercial HVAC contractors must hold either a Class I restricted or Class II unrestricted license from the State Board of Conditioned Air Contractors, a credential that separates qualified professionals from general handymen.

Reviewers repeatedly single out technicians by name. Jason and Mandi at Hero Heating and Air earn praise for same-day response and thorough diagnostics, while Tobias at Quality Air Care appears in multiple reviews mentioning clear communication and on-time arrival. Rodney at Alpha & Omega draws consistent mentions for honest assessments and post-service follow-up. The pattern across these reviews points to technicians who show up when promised, explain what they find, and follow through after the work is done.

Frequently Asked Questions

Commercial HVAC in Dacula 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.