HVAC companies in Mt Holly, NC 28120

8 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC63 / 100Strong market, crowded field
Typical home value$363,000+0.1% in the past year
New homes permitted, 20252,343Gaston County
Homeowners74.7%9,946 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Cool Tech Heating & Air ConditioningHVAC contractor · 120 Einsteins Run, Mt Holly(704) 820-6480 · cooltechnc.com
Cool Tech Heating & Air ConditioningHVAC contractor · 120 Einsteins Run, Mt Holly(704) 820-6480 · cooltechnc.com
Friends Heating and AirHVAC contractor · 111 W Central Ave, Mt Holly(704) 718-9262 · friendsheatingandair.com
Henson Mechanical ServicesHVAC contractor · 2628 Stanley Lucia Rd, Mt Holly(704) 489-8428 · hensonmechanicalnc.com
Liberty AirHVAC contractor · 806 W Central Ave, Mt Holly(704) 907-9395 · MyLibertyAir.com
Mt. Holly Heating & AirHVAC contractor · 107 Madora St, Mount Holly(704) 827-3421 · mthollyheatingandair.com
Summers Air Conditioning and HeatingHVAC contractor · 111 E Charlotte Ave, Mt Holly(704) 879-3644 · summerscomforthvac.com
FilterTimeHVAC contractor · 1214 W Catawba Ave, Mount Holly(833) 345-8378
HVAC WorldHVAC contractor · 309 N Main St, Mt Holly(704) 820-8074

HVAC in ZIP 28120 at a glance

Local building angle: Gaston County permitted 2,343 new homes in 2025, including 174 apartment units. 37% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.