❄️ Official Rankings
10 Best HVAC in Merrimack, NH (June 2026)
The highest-rated hvac in Merrimack based on verified reviews, ratings, and local reputation.
#1
Alpha Building Inspections
⭐ 5.0 · 2062 reviews
381 Daniel Webster Hwy, Merrimack, NH 03054
#2
JMS Plumbing and Heating LLC
⭐ 5.0 · 223 reviews
11 Jakes Ln, Merrimack, NH 03054
#3
#4
#5
A and C Mechanical LLC
⭐ 5.0 · 40 reviews
23 Fairway Dr, Merrimack, NH 03054
#6
Artisan Plumbing & Heating, LLC
⭐ 4.9 · 51 reviews
579 Daniel Webster Hwy unit 1B, Merrimack, NH 03054
#7
Jolt Electric & HVAC
⭐ 4.9 · 50 reviews
461 Charles Bancroft Hwy Unit A, Litchfield, NH 03052
#8
TJO Contracting LLC
⭐ 5.0 · 15 reviews
2312 Columbia Cir, Merrimack, NH 03054
#9
#10
Advanced Quality Air
⭐ 4.8 · 20 reviews
442 Charles Bancroft Hwy, Litchfield, NH 03052