Best 10 HVAC Companies in Jacksonville NC for 2026

Eastern NC summers run hot, humid, and long — and when your HVAC quits on a 95-degree August afternoon, you need a contractor who answers the phone, shows up fast, and doesn't take advantage of the situation. We ranked Jacksonville's top HVAC companies based on Google review counts and ratings, years in the local market, and service reliability.

How We Ranked

• Verified Google reviews (count and average rating)
• Years serving Onslow County
• Response time reported by customers
• Service breadth — installation, repair, maintenance, emergency calls
• Camp Lejeune-area familiarity — military discounts, BAH-friendly pricing, base access

1. Small Town Heating And Air

Rating: 5.0★ — 297+ Google reviews

Jacksonville's highest-rated HVAC contractor by combined volume and average. Small Town has built a strong local reputation on responsive service and clear communication. Strong word-of-mouth among Camp Lejeune families.

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2. Jacksonville Heating Contractors

Rating: 4.8★ — 746+ Google reviews

The highest review count in Jacksonville HVAC. They've been serving Onslow County for decades and run a large fleet of trucks. Most calls get same-day or next-day response. Good fit for whole-home replacements.

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3. Comfort Heating & Cooling Service

Rating: 4.9★ — 616+ Google reviews

Strong reputation for diagnostic skill — they fix things rather than upsell to full system replacement. Routinely praised for fair pricing on repairs. Located on Gum Branch Road, central to most Jacksonville neighborhoods.

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4. Down East

Rating: 4.7★ — 769+ Google reviews

One of the largest local HVAC operations with the volume of reviews to match. Down East handles residential and light commercial work across Jacksonville, Hubert, and Sneads Ferry. Multi-truck dispatch keeps response times reasonable even during peak season.

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5. All Weather Mechanical, Inc.

Rating: 5.0★ — 243+ Google reviews

Perfect 5.0 average across a meaningful review base. Customers highlight thoroughness on installations and follow-up after big jobs. Active in the Camp Lejeune housing market — they handle a lot of post-PCS HVAC inspections for incoming families.

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6. Comfort First Heating and Cooling

Rating: 4.9★ — 375+ Google reviews

Comfort First runs a strong maintenance-plan program — biannual service for an annual fee. Customers consistently mention friendly techs and clean work. Good fit for homeowners who want a long-term provider rather than one-off repair calls.

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7. Onslow Heating & Air Conditioning LLC

Rating: 4.9★ — 159+ Google reviews

Locally owned with a smaller, tight-knit team. If you prefer working with the owner directly rather than a dispatcher, Onslow Heating & Air is the kind of shop where that's possible. Strong residential focus.

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8. Manley Heating and Cooling Inc

Rating: 4.7★ — 37+ Google reviews

Smaller operation but consistently high-rated. Customers mention honest diagnostics and reasonable pricing on repairs. Good option for older homes where retrofit work requires a careful hand.

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9. NC Comfort Systems, Inc

Rating: 4.9★ — 287+ Google reviews

NC Comfort handles both residential and small commercial — schools, churches, and offices in addition to homes. Their commercial experience translates to higher technical depth on complex residential systems (multi-zone, geothermal, etc.).

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10. Ramz

Rating: 5.0★ — 20+ Google reviews

Smaller but perfect-rated. Veteran-owned and active in the Jacksonville community. Customers praise straightforward pricing and quick response on repair calls. Good fit if you prefer supporting smaller veteran-owned businesses.

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Tips When Hiring an HVAC Contractor in Jacksonville

Always Get a Second Opinion on Replacements

If a contractor tells you "this whole system needs replacement," get a second quote from a different shop. Some HVAC failures are repairable for $500 — but if the first shop is paid on commission, they might recommend the $7,000 replacement. Two opinions take an extra day and can save you thousands.

Know Your System

Before any tech arrives, write down:

• Brand and model of your unit (label on the side of the air handler or outdoor condenser)
• Age — most residential systems last 15–20 years
• Recent symptoms (clicking, no cool air, warm air, ice on the lines, smells, etc.)

This info makes the diagnosis faster and lets you research the situation independently.

Maintenance Plans Are Usually Worth It

Most reputable contractors offer biannual maintenance plans — spring AC checkup, fall furnace checkup, priority scheduling, and a discount on parts. For $150–$250/year, you catch problems before they become emergencies and extend the system's life. Worth it for most Jacksonville homes.

Hurricane Season Considerations

After a hurricane:

• Don't run a system that took water — call before powering it back on
• Outdoor condensers can be damaged by flying debris even if they look intact
• Schedule a post-storm inspection if you had heavy weather in your area
• See our hurricane prep checklist for full storm guidance

Military Families: Ask About Discounts

Most local HVAC contractors offer active-duty and veteran discounts — typically 5–10%. They don't always advertise it. Always ask when scheduling.

Bottom Line

Any of the contractors on this list will treat you fairly. If you're new to Jacksonville and need someone fast, start with the higher-volume shops (Jacksonville Heating Contractors, Down East) — they have more trucks and shorter response windows. If you want a smaller, owner-operated experience, look at Small Town, All Weather, or Ramz. And whoever you call, get a written estimate before work begins.

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