❄️ Official Rankings
10 Best HVAC in Clarksburg, MD (August 2026)
We compared 10 hvac serving Clarksburg and Montgomery County, Maryland, and ranked the top providers by verified reviews, ratings, and local reputation — 3,739 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Simply Home Service. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 3,739
- Area codes
- 301, 240
#1
Simply Home Service
⭐ 5.0 · 204 reviews
11115 Sceptre Ridge Terrace, Germantown, MD 20876
#2
AirWiz Duct Cleaning
⭐ 4.9 · 2299 reviews
22700 Ridge Rd, Germantown, MD 20876
#3
#4
#5
#6
#7
Clarksburg Heating
⭐ 4.9 · 64 reviews
23108 Bank Barn Ct, Germantown, MD 20876
#8
#9
Dave's Tech & Services LLC
⭐ 4.8 · 67 reviews
12813 Ethel Rose Way, Boyds, MD 20841
#10
HVAC listed here serve Clarksburg, Montgomery County, and nearby ZIP codes including 20871.