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3N1 HVACHVAC contractor in Unionville, NC

3N1 HVAC is an HVAC contractor at 8220 Old Ferry Rd, Unionville, NC 28110, ranked #11 of 293 HVAC contractors in Unionville and rated 5.0 from 490 Google reviews. Open Monday to Saturday.

Unionville, NCUpdated 0 paid placements in any rankingHow we rank

Call (704) 288-5930Website ↗

Key facts

Key facts about 3N1 HVAC
Address8220 Old Ferry Rd, Unionville, NC 28110Get directions
Phone(704) 288-5930
Website3n1hvac.com
HoursMonday to Friday: 7:30 AM – 8 PM; Saturday: 8 AM – 5 PM
Google rating5.0 from 490 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Unionville and 11 towns within 25 miles: Mint Hill, Indian Trail, Stallings, Monroe, Matthews, Wesley Chapel, Harrisburg, Weddington, Concord, Charlotte and Waxhaw.

Based in Unionville, NCView on map

Opening hours

Opening hours for 3N1 HVAC
DayHours
Monday7:30 AM – 8 PMevening
Tuesday7:30 AM – 8 PMevening
Wednesday7:30 AM – 8 PMevening
Thursday7:30 AM – 8 PMevening
Friday7:30 AM – 8 PMevening
Saturday8 AM – 5 PM
SundayClosed
  • Open evenings (after 6 PM)
  • 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

3N1 HVAC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
3N1 HVAC (this business)—625.0 (490)—YesNo
Byrum Heating & A/C#9624.9 (591)—YesYes12.9 mi
Charlotte Heating & Air#10625.0 (964)—YesNo8.4 mi
T&C Heating and Cooling#12624.9 (250)—YesYes9.8 mi

See all 293 ranked HVAC contractors in Unionville

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 490 Google reviews

Hired 3N1 HVAC? Write a review

Questions about 3N1 HVAC

How is 3N1 HVAC ranked in Unionville?

3N1 HVAC is ranked #11 of 293 HVAC contractors in Unionville by CR Score, with 62 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 3N1 HVAC’s hours?

3N1 HVAC is open Monday to Saturday. Its listed hours are Monday to Friday, 7:30 AM – 8 PM; Saturday, 8 AM – 5 PM. On Saturdays it is open 8 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does 3N1 HVAC serve?

Serves Unionville and 11 towns within 25 miles: Mint Hill, Indian Trail, Stallings, Monroe, Matthews, Wesley Chapel, Harrisburg, Weddington, Concord, Charlotte and Waxhaw. 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 3N1 HVAC?

3N1 HVAC has a rating of 5.0 from 490 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 3N1 HVAC?

Call 3N1 HVAC on (704) 288-5930. The business is at 8220 Old Ferry Rd, Unionville, NC 28110. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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