Markool Heating & CoolingHVAC contractor in Frederick, MD
Markool Heating & Cooling is an HVAC contractor at 5110 Jefferson Pike, Frederick, MD 21703.
Frederick, MD0 paid placements in any rankingHow we rank
Key facts
| Address | 5110 Jefferson Pike, Frederick, MD 21703Get directions |
|---|---|
| Phone | (301) 969-9963 |
| Website | markoolhvac.com |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradebusiness name
Service area
Serves Frederick and 11 towns within 25 miles: Ballenger Creek, Spring Ridge, Urbana, Brunswick, Walkersville, Green Valley, Clarksburg, Linganore, Poolesville, Damascus and Thurmont.
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.
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