Complete Heating & Cooling Services

Comfort solutions for homes and light commercial spaces.

Onslow Heating & Air Conditioning provides reliable heating and cooling services for residential and commercial customers in Jacksonville, North Carolina and surrounding areas. We specialize in furnace, air conditioning, heat pump, and mini-split systems, offering professional repair, maintenance, and installation. Our team also services gas package units and light commercial HVAC systems, delivering dependable solutions with honest recommendations and quality workmanship you can trust.

Air conditioning units lined up against a red brick wall.

Residential & Commercial HVAC Services

Person servicing a furnace, using a tool on the grey metal unit. Indoors, near white wall.

Furnace Services

Our furnace services are designed to keep your home or business warm, safe, and comfortable when temperatures drop. Onslow Heating & Air Conditioning provides professional furnace repair, maintenance, and installation for customers in Jacksonville, North Carolina and nearby areas. Whether your furnace needs a quick fix, routine upkeep, or a full replacement, our experienced team delivers reliable solutions with clear communication and quality workmanship you can depend on.

White air conditioner unit mounted on an exterior wall with a circular fan visible.

Air Conditioning Services

Onslow Heating & Air Conditioning offers dependable air conditioning repair, maintenance, and installation to keep homes and businesses in Jacksonville, North Carolina cool and comfortable. From diagnosing cooling issues to maintaining system performance or installing a new AC unit, our team focuses on honest recommendations, efficient service, and long-lasting results you can trust.

HVAC technician testing an air conditioning unit with gauges and yellow multimeter on rooftop.

Heat Pump Services

Onslow Heating & Air Conditioning provides professional heat pump repair, maintenance, and installation for residential and commercial customers in Jacksonville, North Carolina and surrounding areas. Heat pumps play a key role in year-round comfort, and our team focuses on reliable service, proper system performance, and clear communication—so you can count on consistent heating and cooling without guesswork.

White air conditioning unit mounted on a ceiling above vertical blinds.

Mini-Split Systems

Onslow Heating & Air Conditioning offers professional mini-split system installation, repair, and maintenance for homes and businesses in Jacksonville, North Carolina and nearby areas. Mini-split systems are a flexible solution for targeted comfort, and our team focuses on reliable performance, proper setup, and dependable service you can trust.

HVAC units stacked on top of each other, with ductwork wrapped in insulation.

Gas Package Units

Onslow Heating & Air Conditioning provides service and installation for gas package units for residential and commercial customers in Jacksonville, North Carolina and surrounding areas. Gas package units require proper care to ensure reliable heating and cooling, and our team delivers dependable service with clear communication and quality workmanship you can trust.

HVAC rooftop unit with ductwork on a white roof, under a blue sky.

Commercial HVAC

Onslow Heating & Air Conditioning provides commercial HVAC installation, service, and maintenance for businesses in Jacksonville, North Carolina and surrounding areas. We understand the importance of reliable heating and cooling for daily operations, and our team delivers dependable workmanship, clear communication, and solutions designed to keep your business comfortable and running smoothly.