One Hour Air Conditioning & Heating® of AnnapolisHVAC contractor in Arnold, MD
One Hour Air Conditioning & Heating® of Annapolis is an HVAC contractor in Arnold, MD, ranked #4 of 577 HVAC contractors in Arnold and rated 4.8 from 367 Google reviews. Open 24 hours a day, 7 days a week.
Arnold, MDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Phone | (301) 804-6803 |
|---|---|
| Website | onehourheatandair.com |
| Hours | Open 24 hours, 7 days a week |
| Google rating | 4.8 from 367 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves Arnold and 11 towns within 25 miles: Severna Park, Pasadena, Lake Shore, Green Haven, Cape Saint Claire, South Gate, Riviera Beach, Parole, Annapolis, Glen Burnie and Edgewater.
Opening hours
| Day | Hours |
|---|---|
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
- Open 24/7
- Open evenings — no
- Open Saturdays
- Open Sundays
- Emergency service
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| 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
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| One Hour Air Conditioning & Heating® of Annapolis (this business) | — | 90 | 4.8 (367) | — | Yes | Yes | |
| Barstow & Sons Heating and Cooling | #2 | 92 | 4.9 (1,127) | — | Yes | Yes | 6.9 mi |
| Boothe's Heating, Air, Plumbing, Drains & Electrical | #3 | 90 | 4.9 (1,461) | — | Yes | Yes | 7.1 mi |
| David E White's Plumbing, Heating & Repair Company | #5 | 90 | 5.0 (238) | — | Yes | Yes | 6.3 mi |
Questions about One Hour Air Conditioning & Heating® of Annapolis
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