Great Mills Heating & Air ConditioningHVAC contractor in Lexington Park, MD
Great Mills Heating & Air Conditioning is an HVAC contractor at 21305 Great Mills Rd UNIT 6, Lexington Park, MD 20653, ranked #4 of 21 HVAC contractors in Lexington Park and rated 5.0 from 91 Google reviews. Open Monday to Friday.
Lexington Park, MDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 21305 Great Mills Rd UNIT 6, Lexington Park, MD 20653Get directions |
|---|---|
| Phone | (301) 994-0522 |
| Website | greatmillshtgac.com |
| Hours | Monday to Friday: 7:30 AM – 4:30 PM |
| Google rating | 5.0 from 91 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves Lexington Park and 2 towns within 25 miles: California and Chesapeake Ranch Estates.
Opening hours
| Day | Hours |
|---|---|
| Monday | 7:30 AM – 4:30 PM |
| Tuesday | 7:30 AM – 4:30 PM |
| Wednesday | 7:30 AM – 4:30 PM |
| Thursday | 7:30 AM – 4:30 PM |
| Friday | 7:30 AM – 4:30 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
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 |
|---|---|---|---|---|---|---|---|
| Great Mills Heating & Air Conditioning (this business) | — | 58 | 5.0 (91) | — | No | No | |
| Chimney Pro - Air Duct and Dryer Vent Cleaning Services | #2 | 60 | 4.8 (981) | — | Yes | No | 6.9 mi |
| Winters Heating & Cooling | #3 | 58 | 4.9 (437) | — | No | No | 4.1 mi |
| Johnson's Heating & Air | #5 | 58 | 4.8 (19) | — | Yes | Yes | 7.9 mi |
Reviews
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5.0from 91 Google reviews
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