Gaston County · Climate zone 3A · Duke Energy Carolinas
HVAC Contractors in Gastonia, NC
62 RECORDS · 22 LICENSE-VERIFIED · REGISTER AUDITED AUG 23, 2026
22 of the 62 HVAC contractors we list in Gastonia hold a North Carolina heating and cooling license we checked against the state board. Gastonia sits in climate zone 3A west of Charlotte, with a mix of older mill-town housing and newer development. Older homes here often have duct and insulation issues that drive comfort complaints as much as the equipment itself; heat pumps are the default replacement.
Verified HVAC contractors in Gastonia
Featured entries are paid placements (max 3 per city) and are labelled. Order within each status is by review count. Every entry shows the license status we found and when we checked it. How this list works.
GSM Services
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Precision Climate
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Unique Air Heating & Cooling
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Summers Comfort Heating & Air
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Henson Heating & Cooling
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
3rd Generation Heating and Cooling
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Morris Mechanical Inc.
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Airtechs Mechanical Services, Inc.
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Beacon Home Services
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Perrigo Heating & Air Conditioning Inc
We checked this contractor's license against the NC State Board. Is this your business? Claim this record — it's free.
Serving Gastonia from a nearby town? Contractors based in Belmont, Mount Holly, Mt Holly, Mt. Holly, Dallas, Lowell, Cramerton, Stanley, Kings Mountain, Bessemer City appear on this page.
What HVAC work costs in Gastonia
| Job | Typical installed / out-the-door range |
|---|---|
| AC replacement (2–3 ton, SEER2 14.3–16) | $6,000 – $11,000 |
| Heat pump replacement (ducted, 2–3 ton) | $7,000 – $12,500 |
| AC repair (typical diagnostic + part) | $180 – $850 |
| Seasonal tune-up | $89 – $179 |
Ranges collected from quotes and published local pricing; last reviewed August 2026. Your quote should include a Manual J load calculation. See the statewide breakdowns: AC replacement cost in NC, heat pump installation cost in NC, AC repair cost by problem.
Licensing and permits in Gaston County
Residential heating and cooling work in North Carolina requires a contractor licensed by the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors; the class on the license (H-1, H-2 or H-3, Class I or II) tells you what the contractor may install. What the classes mean.
HVAC replacements in Gastonia are permitted and inspected through Gaston County (or City of Gastonia within city limits). A licensed contractor pulls the mechanical permit; ask for the permit number. When a permit is required in NC.
Full local reference: HVAC permits, utilities and climate in Gaston County.
Climate and common HVAC problems in Gastonia
Zone 3A: hot, humid, long cooling seasons and mild winters. In Gastonia, cooling capacity and humidity control drive comfort more than heating; an oversized system short-cycles and leaves the air damp, so right-sizing and a variable-speed system matter more than raw tonnage.
Related: AC not cooling · aux heat stuck on · humidity control in NC homes · why climate zone changes what to buy.
Rebates for Gastonia residents
Duke Energy Carolinas serves Gastonia; Energy Saver NC rebates (up to $8,000 toward a heat pump for income-eligible households) apply here and stack with Duke Smart $aver rebates. Confirm current amounts before you sign. How the incentives stack.
How to choose an HVAC contractor in Gastonia
Check the license number on this page against the state board record. Get three written quotes for any replacement and make sure each includes a load calculation, equipment model numbers, and who pulls the permit. Compare warranties on labor, not just parts. Ask what happens if the system is oversized. And prefer contractors who put the diagnosis in writing before quoting a repair.
Full guides: questions to ask · how to compare quotes · red flags.
Frequently asked questions
Who handles HVAC permits in Gastonia?
Gaston County (or City of Gastonia within city limits). Your licensed contractor pulls the mechanical permit and the replacement is inspected.
Heat pump or gas furnace in Gastonia?
In zone 3A's mild winters a heat pump is usually the better-value system and qualifies for state rebates a furnace doesn't. Homes with existing gas may prefer a dual-fuel setup.