Master TechHVAC contractor in Darnestown, MD
Master Tech is an HVAC contractor in Darnestown, MD, rated 5.0 from 11 Google reviews. Open 7 days a week.
Darnestown, MD0 paid placements in any rankingHow we rank
Key facts
| Phone | (301) 591-6445 |
|---|---|
| Website | airconditioninggaithersburg.com |
| Hours | Monday to Sunday: 7 AM – 7 PM |
| Google rating | 5.0 from 11 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves Darnestown and 11 towns within 25 miles: Gaithersburg, Montgomery Village, Redland, Germantown, North Potomac, Rockville, Travilah, Clarksburg, Rossmoor, Olney and Potomac.
Based in Darnestown, MDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 7 AM – 7 PMevening |
| Tuesday | 7 AM – 7 PMevening |
| Wednesday | 7 AM – 7 PMevening |
| Thursday | 7 AM – 7 PMevening |
| Friday | 7 AM – 7 PMevening |
| Saturday | 7 AM – 7 PMevening |
| Sunday | 7 AM – 7 PMevening |
- Open evenings (after 6 PM)
- Open Saturdays
- Open Sundays
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.
Questions about Master Tech
What are Master Tech’s hours?
Master Tech is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM, and on Sundays 7 AM to 7 PM. Hours come from the business listing; holiday hours may differ.
What areas does Master Tech serve?
Serves Darnestown and 11 towns within 25 miles: Gaithersburg, Montgomery Village, Redland, Germantown, North Potomac, Rockville, Travilah, Clarksburg, Rossmoor, Olney and Potomac. 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 Master Tech?
Master Tech has a rating of 5.0 from 11 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 Master Tech?
Call Master Tech on (301) 591-6445. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own Master Tech? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.