🐜AssistAnt · Pro directory
There are 64 HVAC companies within 25 miles of Alton, NH in the AssistAnt directory as of October 16, 2026, 1 of them based in Alton itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.
HVAC (heating & air conditioning) near Alton
- Alton Heating Services
Alton, NH · 0.7 mi
Not verified yet
(603) 875-8004
- Cardinal & Glidden Oil Co.
Farmington, NH · 7.3 mi
Not verified yet
(603) 755-3562
- Integrity Mechanical
Strafford, NH · 7.3 mi
Not verified yet
(978) 360-7401
- Vachon's Heating & Air Conditioning LLC
Farmington, NH · 8.7 mi
Not verified yet
(603) 217-2688
- Tremblay & Son HVAC LLC
Rochester, NH · 12.7 mi
Not verified yet
(603) 332-0980
- Strogen's Service Experts
Rochester, NH · 12.9 mi
Not verified yet
(603) 332-6466
- Sunweaver
Northwood, NH · 13.5 mi
Not verified yet
(603) 942-5863
- Admiral Climate Control
Rochester, NH · 13.6 mi
Not verified yet
(603) 330-3014
- High Degree Heating
Rochester, NH · 13.6 mi
Not verified yet
(603) 330-3233
- Gerry's Gas Service
Dover, NH · 13.8 mi
Not verified yet
(603) 534-9683
- Hubble Heating & AC
Belmont, NH · 13.9 mi
Not verified yet
(603) 393-0356
- Local Pride
Rochester, NH · 14.3 mi
Not verified yet
(603) 330-0800
- Laconia Oil LLC
Laconia, NH · 14.3 mi
Not verified yet
(603) 524-3559
- Wolfeboro Septic Service
Wolfeboro, NH · 14.5 mi
Not verified yet
(603) 569-1643
- Stevens Mechanical
Rochester, NH · 14.6 mi
Not verified yet
(603) 394-5151
- Gunstock Heating & Air Conditioning
Gilford, NH · 14.8 mi
Not verified yet
(603) 293-8088
- C-Moses Plumbing & Heating Inc.
Rochester, NH · 15.2 mi
Not verified yet
(603) 335-0225
- Custom Climates HVAC
Epsom, NH · 15.3 mi
Not verified yet
(603) 945-9066
- Stafford Oil & Propane
Laconia, NH · 15.5 mi
Not verified yet
(603) 524-1480
- Laconia Refrigeration
Laconia, NH · 15.5 mi
Not verified yet
(603) 524-2937
- Laconia Residential
Gilford, NH · 15.5 mi
Not verified yet
(603) 737-2937
- D&D Refrigeration and A/C
Loudon, NH · 15.5 mi
Not verified yet
(603) 731-3572
- Complete Mechanical LLC
Wakefield, NH · 15.8 mi
Not verified yet
(603) 534-2512
- Above & Below HVAC
Northfield, NH · 15.9 mi
Not verified yet
(603) 293-6446
- Home Energy Products
Belmont, NH · 16.1 mi
Not verified yet
(603) 524-2308
- Sunrise Heating and Cooling
Laconia, NH · 16.4 mi
Not verified yet
(603) 970-1927
- Heritage Home Service
Laconia, NH · 16.7 mi
Not verified yet
(603) 825-5936
- Porter Heating and Cooling
Laconia, NH · 16.8 mi
Not verified yet
(603) 366-2662
- Newell and Crathern
Loudon, NH · 16.8 mi
Not verified yet
(603) 228-2102
- Rowell's Services
Northfield, NH · 17.0 mi
Not verified yet
(603) 729-3318
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Alton, NH?
- 64 within 25 miles, 1 in Alton, as of October 16, 2026.
- Which HVAC companies near Alton, NH are verified?
- None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.
- Can a business pay to rank higher on AssistAnt?
- No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.
Nearby towns
- Strafford, NH 7 mi
- Farmington, NH 8 mi
- Northwood, NH 13 mi
- Rochester, NH 14 mi
- Wolfeboro, NH 15 mi
- Gilford, NH 15 mi
- Belmont, NH 16 mi
- Laconia, NH 16 mi
- Wakefield, NH 16 mi
- Loudon, NH 16 mi