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O'Brien Service Company

HVAC Companies in Wilmington, North Carolina

Ranked #4 in Wilmington | Grade A-
4.90 (1,373 reviews)(910) 799-6611

O'Brien Service Company

Local HVAC contractor in Wilmington, North Carolina handling replacements, repairs, and maintenance with attention to communication and follow-up. Technicians are noted for neat work and clear explanations during estimates and service visits.

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Why Homeowners Choose This Business

Clear communication from estimate to follow-up, attentive technicians, and tidy job sites are frequently noted by customers. The company handles both replacements and ongoing maintenance, with scheduling coordinated by a local office. Estimates are described as detailed, with options explained before work begins Local experience that helps homeowners across Wilmington, North Carolina compare a more region-aware provider.

Service Area

Wilmington, North Carolina and nearby communities in New Hanover and surrounding counties; call to confirm service to your location.

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How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.

  • Maintains a competitive standing in this market.
  • Has more review volume than many local competitors.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

Plumbing Services Renovation Services HVAC installation Installations AC Repair Repairs Heat Pump Replacement Furnace Repair HVAC Maintenance Thermostat Installation Ductwork Services Indoor Air Quality Dryer Vent Cleaning Air Conditioning Tune-Up Heating Service System diagnostics

Heating and air conditioning installation and replacement, AC and heat pump repair, furnace repair, HVAC maintenance/tune-ups, thermostat and controls, ductwork and airflow checks, indoor air quality assessments, and dryer vent cleaning.

Reviews

Customer Reviews

Matt Hempson

I have used O’Brien for years. They replaced an entire HVAC system in my previous home, have serviced the system in my current home, and most recently cleaned my dryer vent. Jeremy went above and beyond to ensure both the vent and the dryer…
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I have used O’Brien for years. They replaced an entire HVAC system in my previous home, have serviced the system in my current home, and most recently cleaned my dryer vent. Jeremy went above and beyond to ensure both the vent and the dryer were completely free of lint. Every experience with their team has been professional, thorough, and reliable. They consistently provide great service and have never disappointed me. I would highly recommend them for your home service needs.

Mary Avery

O'Briens Service Company did a fantastic job on replacing my HVAC system, only took a day in a half to complete. The whole team worked diligently with total professionalism. A couple of days later they had an inspector come in and check all…
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O'Briens Service Company did a fantastic job on replacing my HVAC system, only took a day in a half to complete. The whole team worked diligently with total professionalism. A couple of days later they had an inspector come in and check all the work that they had done, Michael Russell also came by for a follow up. The whole team was very personable and when they finished their job they cleaned up like no one was ever here. Great job O'Briens!!

Christine Leahy

O’Brien’s Technician David Bettencourt provided outstanding service for the repairs and replacement parts I needed with my kitchen area. He was prompt, courteous, thorough, highly skilled and knowledgeable. Was completely impressed by his…
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O’Brien’s Technician David Bettencourt provided outstanding service for the repairs and replacement parts I needed with my kitchen area. He was prompt, courteous, thorough, highly skilled and knowledgeable. Was completely impressed by his professionalism and would highly recommend this Technician! The price was more than I had expected to pay but I’m sure will be offset by my confidence in the workmanship!

Pegeen Michaels

O’Brien HVAC is an awesome company. Very professional, friendly and dependable. They are also very detail oriented. We had a new system put in and our salesman Kris explained each of the options fully. The installation staff was awesom…
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O’Brien HVAC is an awesome company. Very professional, friendly and dependable. They are also very detail oriented. We had a new system put in and our salesman Kris explained each of the options fully. The installation staff was awesome and very respectful of our house. I cannot say enough good things about this company and their employees. I highly recommend it

Donna Noe

I was truly impressed with Chris when he came to give me an estimate. I had two other estimates to compare against. Chris is the only one who took the time to measure my square footage, ask me questions about my hvac needs and explain, in d…
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I was truly impressed with Chris when he came to give me an estimate. I had two other estimates to compare against. Chris is the only one who took the time to measure my square footage, ask me questions about my hvac needs and explain, in depth, what my options were. He answered every question I presented. He made me familiar with the company and what I can expect for service. He’s very knowledgeable about their products.

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Frequently Asked Questions

What HVAC services do you handle most often?

Common requests include system replacements, seasonal maintenance, and troubleshooting for uneven cooling or heating. The team also addresses repairs for heat pumps and AC units, duct and airflow checks, and basic indoor air quality concerns.

How soon can I get an appointment?

Weekday scheduling is typical, with limited Saturday availability based on current workload. Calling the office or checking the website provides the most accurate appointment times.

Do you offer whole-system replacements?

Yes, customers frequently report full HVAC replacements completed within one to two days depending on scope. Estimates outline equipment options and timelines before work starts.

Can you help improve indoor air quality?

Technicians can assess filters, duct conditions, and ventilation to suggest practical improvements. Recommendations are tailored to your system and home layout.

Do you clean dryer vents?

Yes, reviews note thorough dryer vent cleanings as part of service offerings. This can improve dryer performance and reduce lint-related issues.