Heat Pump Repair in New London

Serving New London and every community across Ralls County.

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Step 1 of 3: Equipment
A snow-covered wooden mailbox on a post stands in a snowy yard in front of a single-story brick house flanked by snow-laden evergreen trees during falling snow.

A heat pump running through a long heating season puts its compressor and reversing valve through more thermal stress than either component was designed to hide. Homes in Ralls County, MO run heat about seven months a year, from October through April. By late winter, the refrigerant circuit has been cycling through its full heating arc repeatedly, and when capacity drops off in the coldest weeks, the compressor is the first place a contractor checks. Coil condition and refrigerant charge follow, because both affect whether the system can hold temperature when outdoor air is at its coldest and the heat pump is working hardest.

NOAA National Centers for Environmental Information, nClimDiv county and statewide normals, 1991-2020.
Unfinished basement or crawl space with exposed wooden floor joists, insulated flexible and metal ductwork, a concrete block wall, a coiled black corrugated pipe, and two cardboard boxes on a concrete floor.

Half the homes in Ralls County, Missouri were built in 1980 or earlier (2020-2024 ACS 5-year). A house built around that era was likely fitted with its first heat pump well after the walls were closed, and whatever system is in it now has been running long enough that the refrigerant circuits, reversing valves, and control boards it depends on come from a shrinking pool of available stock. When a contractor opens the unit, the repair scope shifts around what the part actually is and whether it can still be sourced, not around how the equipment looks from the outside.

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

The Parts of a Heat Pump a Contractor Checks First

Isometric line illustration of a cutaway single-story house showing interior ductwork, an indoor air handler unit, and an outdoor condenser connected by refrigerant lines, with a dark shingled roof.

The outdoor unit is the piece most homeowners recognize on sight. It sits outside the house and holds the compressor and the condenser coil, both of which are common starting points when a heat pump stops heating or cooling properly. The compressor in particular draws close attention early in any repair visit.

Inside the house, the air handler moves conditioned air through the home and contains the evaporator coil and the blower motor. The reversing valve, which determines which direction the system runs, sits in the outdoor unit and is another piece a contractor examines when the system runs but delivers the wrong kind of air. The expansion valve and refrigerant lines connect the two units and carry refrigerant between them.

The drawing shows the general layout of a heat pump system, and a licensed contractor determines which parts and conditions apply to your specific house.

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Ralls County, by the numbers

50

50 severe weather events were recorded in Ralls County, Missouri between 2015 and 2024.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.
1980

Half the homes in Ralls County, Missouri were built in 1980 or earlier (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
5,056

Ralls County, Missouri holds 5,056 housing units (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
85.5%

Owners occupy 85.5% of the occupied homes in Ralls County, Missouri (2020-2024 ACS 5-year).

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

Severe Weather Events in Ralls County

Weather that swings hard puts real load on heating and cooling equipment, and heat pumps bear that load directly. How often Ralls County sees severe weather shapes how hard local units work and how quickly repair needs add up.

Severe weather events by county — Ralls County
20100
2015201620172018201920202021202220232024
11

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