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O'Brien Service CompanyHVAC contractor in Wilmington, NC

O'Brien Service Company is an HVAC contractor at 5516 Business Dr, Wilmington, NC 28405, ranked #18 of 121 HVAC contractors in Wilmington and rated 4.8 from 1,302 Google reviews. Open Monday to Saturday.

Wilmington, NCUpdated 0 paid placements in any rankingHow we rank

Call (910) 799-6611Website ↗

Key facts

Key facts about O'Brien Service Company
Address5516 Business Dr, Wilmington, NC 28405Get directions
Phone(910) 799-6611
Websiteobrienservice.com
HoursMonday to Friday: 8 AM – 5:30 PM; Saturday: 8 AM – 4 PM
Google rating4.8 from 1,302 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves Wilmington and 9 towns within 25 miles: Kings Grant, Murraysville, Ogden, Masonboro, Silver Lake, Leland, Myrtle Grove, Carolina Beach and Boiling Spring Lakes.

Based in Wilmington, NCView on map

Opening hours

Opening hours for O'Brien Service Company
DayHours
Monday8 AM – 5:30 PM
Tuesday8 AM – 5:30 PM
Wednesday8 AM – 5:30 PM
Thursday8 AM – 5:30 PM
Friday8 AM – 5:30 PM
Saturday8 AM – 4 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

O'Brien Service Company compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
O'Brien Service Company (this business)—634.8 (1,302)—YesNo
Bluewater Plumbing Heating & Air#16634.9 (1,489)—YesYes1.7 mi
Weikle’s Hometown Heating & Air#17635.0 (213)—YesYes11.5 mi
ThermalTran Mechanical#19635.0 (83)—YesYes0.2 mi

See all 121 ranked HVAC contractors in Wilmington

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 1,302 Google reviews

Hired O'Brien Service Company? Write a review

Questions about O'Brien Service Company

How is O'Brien Service Company ranked in Wilmington?

O'Brien Service Company is ranked #18 of 121 HVAC contractors in Wilmington by CR Score, with 63 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are O'Brien Service Company’s hours?

O'Brien Service Company is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 5:30 PM; Saturday, 8 AM – 4 PM. On Saturdays it is open 8 AM to 4 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does O'Brien Service Company serve?

Serves Wilmington and 9 towns within 25 miles: Kings Grant, Murraysville, Ogden, Masonboro, Silver Lake, Leland, Myrtle Grove, Carolina Beach and Boiling Spring Lakes. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about O'Brien Service Company?

O'Brien Service Company has a rating of 4.8 from 1,302 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact O'Brien Service Company?

Call O'Brien Service Company on (910) 799-6611. The business is at 5516 Business Dr, Wilmington, NC 28405. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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