6 AC Replacement Contractors in Lilburn, GA
Top-Rated AC Replacement Contractors in Lilburn
Bynum & Sons Plumbing, Inc.
“Five-star reviews consistently praise specific technicians by name, with three reviewers mentioning Walfre or Scott Bynum. The single three-star review cites…”
Smart Comfort Heating and Air LLC
“160 reviewers collectively award a perfect 5-star rating, with every customer mentioning owner Vu Tran by name and praising transparency in diagnostics and…”
All AC Replacement Contractors (6 total)
Mon Heating & Air Conditioning LLC
“All 119 reviews carry 5-star ratings, with customers frequently mentioning immediate response times, upfront…”
Gary's Plumbing Services
“All 33 reviews award 4 or 5 stars, with 6 of them specifically naming Gary as the technician and praising his…”
AC Replacement Costs in Lilburn
Replacement costs for aging systems in Lilburn. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $5,500 | $8,000 | $11,000 |
Central AC (4-ton, mid-efficiency) | $7,500 | $10,500 | $14,000 |
Central AC (5-ton, high-efficiency) | $9,500 | $12,500 | $16,000 |
Full HVAC system (AC + furnace) | $11,590 | $13,430 | $14,100 |
Plus ductwork replacement If existing ducts are aged/leaking | $2,100 | $3,000 | $4,000 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Lilburn, GA: What to Expect
Summers in the Atlanta metro are long, humid and often punishing: Lilburn residents face about 47 days above 90°F and frequent heat-index values topping 100°F, which pushes many homeowners toward timely ac-replacement Lilburn projects to restore reliable cooling. With six contractors serving the area and an average rating of 4.8 from 1,590 reviews, demand centers on capacity and quick, effective installations for both cooling and heating seasons.
The dataset didn’t include specific cost figures for top line items, so installers typically provide itemized estimates that reflect system size, SEER efficiency, ductwork condition, labor and local permit fees. Georgia requires HVAC contractors to hold either a Class I (restricted) or Class II (unrestricted) license from the State Board of Conditioned Air Contractors, so confirm licensing and ask for a detailed breakdown before signing any contract.
Customer highlight entries were not supplied, but the market profile points to consistently high ratings and a competitive local field; note that none of the listed firms advertise 24/7 service. Prioritize written warranties, references from recent AC replacements, clear timelines and proof of a Class I or Class II license, and compare at least three written bids to evaluate true value.