Heat Pump Installation in Lisbon

Serving Lisbon and every community across Ransom County.

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Step 1 of 3: Equipment
A two-story house with light-colored siding stands alone in a snow-covered field during heavy snowfall, with a snow-topped wooden rail fence crossing the foreground.

Sizing a heat pump for Ransom County means working through the full heating load before anything else gets priced. Homes in Ransom County, ND run heat about nine months a year, from September through May. A heat pump loses capacity as outdoor temperatures drop, so the coldest weeks of that long run are the ones that determine whether a system can carry the house on its own or needs backup heat alongside it. A contractor has to calculate both before committing to equipment, because undersizing the backup leaves the homeowner without heat on the days that demand it most, and oversizing drives up the installation cost for no gain.

NOAA National Centers for Environmental Information, nClimDiv county and statewide normals, 1991-2020.
A basement interior with a gray electrical panel mounted on a concrete block wall, a galvanized sheet metal duct and conduit pipes running vertically, and a wooden shelf holding empty glass canning jars and cardboard boxes.

Ductwork laid for an earlier generation of equipment shapes what a heat pump installation actually costs here. Half the homes in Ransom County, North Dakota were built in 1969 or earlier (2020-2024 ACS 5-year). That original ductwork was sized around a furnace's delivery pattern, and a heat pump runs differently enough that a contractor has to assess the existing runs before pricing the job. The electrical service gets the same look: panels in houses of that vintage were not specified with a heat pump's draw in mind, and some need an upgrade before the new unit can be connected.

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates

What a Heat Pump Installation Puts in Your Home

Isometric illustration of a cutaway single-story house showing interior ductwork and vents connected to an outdoor condenser unit beside the building, on a white background.

The outdoor unit is the piece most homeowners see first. It sits on a pad beside the house and holds the compressor and the outdoor coil, which together do the central work of moving heat between inside and outside. The indoor air handler mounts in a utility space, basement, or closet and pushes conditioned air through the home.

A refrigerant line set runs between the two units, carrying the working fluid back and forth through insulated copper tubing. A thermostat goes on an interior wall where it reads the temperature and tells the system when to run. Some installations also include a supplemental heat strip inside the air handler for the coldest days.

The drawing shows a standard layout, and a licensed contractor determines exactly what goes where in your house.

Find a contractor in Ransom County

Ransom County, by the numbers

129

129 severe weather events were recorded in Ransom County, North Dakota between 2015 and 2024.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.
1969

Half the homes in Ransom County, North Dakota were built in 1969 or earlier (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
2,546

Ransom County, North Dakota holds 2,546 housing units (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
74.7%

Owners occupy 74.7% of the occupied homes in Ransom County, North Dakota (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
Codes and Standards Behind Heat Pump Installation in Ransom County, North Dakota1 sourced rules and standards

Licensing Rules for Ransom County, North Dakota

North Dakota requires a contractor licence once the cost, value or price of a job exceeds four thousand dollars, and an unlicensed contractor may not bring a claim or a lawsuit in a North Dakota court over the work.

North Dakota Legislative BranchN.D. Cent. Code ch. 43-07 (North Dakota Legislative Branch)Verified 2026-09-13

Severe Weather Events in Ransom County

Weather in Ransom County puts real demands on heating and cooling equipment, and those demands shape what a heat pump needs to handle year after year. Sizing and installing equipment for this area means accounting for local conditions, not regional averages.

Severe weather events by county — Ransom County
3020100
2015201620172018201920202021202220232024
24

129 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.