Heating Oil, Propane, Plumbing & Air Conditioning Services & Repairs in Merrimack, NH


Available 24 hours

658 Daniel Webster Hwy,
Merrimack, NH 03054

New Hampshire's Merrimack depot covers southern New Hampshire, the counties of Hillsborough and Rockingham. The Merrimack, NH local office provides heating oil, propane, plumbing, HVAC, gas service and duct cleaning services. Our local office also offers natural gas, oil & propane heating system installation, servicing and repairs, along with air conditioner installation, servicing and repair, including Ductless AC Mini-split systems. Stop by our show room to see the latest consumer options for hearth products, generators and state of the art heating and cooling systems. Our customer service staff is available 24 hours a day, 7 days a week.

Petro Products and Services

Home heating oil

Payment and pricing plans, service plans and more.

Propane services

Automatic delivery, service plans and more –no extra fees.

Boiler/furnace install
and repair

Leading brand system installation, repair and service plans.


Major and minor projects and emergency repair services.


Installation of repair of portable & whole house generators.

AC services and equipment

Central and ductless installation, repair and service plans.

Other Products and Services

Services: Home heating oilAC servicesPropaneCommercial servicesPlumbing, Natural Gas Services, Duct Cleaning

Products: Boiler/furnace install/repairOil tank install/removalAC equipment install/repairhot water heaters; Generators, Natural Gas & Propane Equipment installation, servicing & repair.

General Manager:

Ralph Freeman, General Manager

Ralph Freeman

Ralph Freeman is the General Manager For all New Hampshire, and Maine depots. Ralph has worked in the oil industry for 30 years, Bringing a wealth of knowledge, and experience to the General Manager position.


  • Merrimack, NH
  • Call 24/7/365
  • 603.379.3655
Request a quote
AC season coupon: $500 off a new central AC system

Counties and Towns Served

Counties Served: Hillsborough county, NH; Rockingham county, NH.

Major Towns Served: Amherst, NH; Atkinson, NH; Beford, NH; Bow, NH; Brookline, NH; Derry, NH; Goffstown, NH; Greenfield, NH; Hollis, NH; Hookset, NH; Hudson, NH; Litchfield, NH; Londonderry, NH; Manchester, NH; Merrimack, NH; Milford, NH; Mont Vernon, NH; Nashua, NH; New Boston, NH; Newton, NH; Pelham, NH; Plaistow, NH; Salem, NH; Weare, NH; Windham, NH; Wilton, NH.

Whether you're a current customer wanting to schedule a delivery or a new customer wanting to join the Petro family, from the coldest days of winter to the hottest days of summer, we're always here to help.

Contact us anytime, whenever you need us, 24/7, all year!