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One Hour Air Conditioning & Heating® of Harford CountyHVAC contractor in Bel Air North, MD

One Hour Air Conditioning & Heating® of Harford County is an HVAC contractor in Bel Air North, MD, ranked #22 of 311 HVAC contractors in Bel Air North and rated 4.8 from 292 Google reviews. Open Monday to Friday.

Bel Air North, MDUpdated 0 paid placements in any rankingHow we rank

Call (301) 321-7231Website ↗

Key facts

Key facts about One Hour Air Conditioning & Heating® of Harford County
Phone(301) 321-7231
Websiteonehourheatandair.com
HoursMonday: open 24 hours; Tuesday to Friday: 9 AM – 5 PM
Google rating4.8 from 292 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Bel Air North and 11 towns within 25 miles: South Bel Air, Bel Air South, Bel Air, North Bel Air, Aberdeen, Fallston, Joppatowne, Edgewood, Havre de Grace, Perry Hall and White Marsh.

Based in Bel Air North, MDView on map

Opening hours

Opening hours for One Hour Air Conditioning & Heating® of Harford County
DayHours
MondayOpen 24 hours
Tuesday9 AM – 5 PM
Wednesday9 AM – 5 PM
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no
  • Emergency service

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

One Hour Air Conditioning & Heating® of Harford County compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
One Hour Air Conditioning & Heating® of Harford County (this business)—604.8 (292)—NoNo
Excel Aire Abingdon#20605.0 (27)—YesYes5.2 mi
Blevins Heating & Cooling#21605.0 (49)—YesYes0.6 mi
APJ HVAC and R#23605.0 (43)—YesYes7.1 mi

See all 311 ranked HVAC contractors in Bel Air North

Reviews

ContractorsRanked reviews

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Google

4.8from 292 Google reviews

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Questions about One Hour Air Conditioning & Heating® of Harford County

How is One Hour Air Conditioning & Heating® of Harford County ranked in Bel Air North?

One Hour Air Conditioning & Heating® of Harford County is ranked #22 of 311 HVAC contractors in Bel Air North by CR Score, with 60 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 One Hour Air Conditioning & Heating® of Harford County’s hours?

One Hour Air Conditioning & Heating® of Harford County is open Monday to Friday. Its listed hours are Monday, open 24 hours; Tuesday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does One Hour Air Conditioning & Heating® of Harford County serve?

Serves Bel Air North and 11 towns within 25 miles: South Bel Air, Bel Air South, Bel Air, North Bel Air, Aberdeen, Fallston, Joppatowne, Edgewood, Havre de Grace, Perry Hall and White Marsh. 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 One Hour Air Conditioning & Heating® of Harford County?

One Hour Air Conditioning & Heating® of Harford County has a rating of 4.8 from 292 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 One Hour Air Conditioning & Heating® of Harford County?

Call One Hour Air Conditioning & Heating® of Harford County on (301) 321-7231. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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