Install Oil Furnace Cost in Merrimack, NH in 2026
Most Install Oil Furnace projects in Merrimack, NH cost between $5,500 and $18,000. The typical price is $10,000.
Labour and materials in Merrimack run about 3% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Merrimack, NH
Businesses listed on Google near Merrimack, NH. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
High Ground Service Pros - Plumbers Electricians & HVAC Technicians
4.9(2,428 reviews)
201 Allard Dr, Manchester, NH 03102
Sanford Temperature Control
4.9(1,904 reviews)
96 Old Wilton Rd #1, Milford, NH 03055
Walley's Heating & Air Conditioning
4.9(818 reviews)
1 Tara Blvd suite 200, Nashua, NH 03062
A.J. LeBlanc Heating, A/C, Plumbing & Electrical
4.8(748 reviews)
45 S River Rd, Bedford, NH 03110
Ferris Plumbing, Heating & Air
4.9(428 reviews)
17 Old Nashua Rd, Amherst, NH 03031
High Ground Service Pros - Plumbers Electricians & HVAC Technicians
5.0(82 reviews)
230 Amherst St Unit 213, Nashua, NH 03063