❄️ Official Rankings
10 Best HVAC in Hagerstown, MD (September 2026)
We compared 10 hvac serving Hagerstown and Washington County, Maryland, and ranked the top providers by verified reviews, ratings, and local reputation — 7,302 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Total Comfort Heating & Air Conditioning Inc.. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 7,302
- Area codes
- 301, 240
⭐ 5.0 · 295 reviews
12009 Margaret Dr, Hagerstown, MD 21742
⭐ 5.0 · 101 reviews
Hagerstown, MD 21740
⭐ 4.9 · 474 reviews
11005 Bower Ave, Hagerstown, MD 21740
⭐ 4.9 · 192 reviews
635 Summit Ave, Hagerstown, MD 21740
⭐ 4.9 · 170 reviews
313 E Wilson Blvd Ste 3, Hagerstown, MD 21740
⭐ 4.8 · 5119 reviews
20 Hump Rd, Hagerstown, MD 21740
⭐ 4.8 · 706 reviews
511 E Franklin St, Hagerstown, MD 21740
⭐ 5.0 · 25 reviews
901 Pope Ave Building #15 1st Floor Unit, C, Hagerstown, MD 21740
⭐ 4.6 · 35 reviews
44 Garlinger Ave, Hagerstown, MD 21740
HVAC listed here serve Hagerstown, Washington County, and nearby ZIP codes including 21740, 21741, 21742, 21746, 21747, 21748, 21749.