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A heat pump repair in Putnam County starts at the compressor and the reversing valve, because those are the components that carry the heating load. Homes in Putnam County, NY run heat about eight months a year, from October through May. Through cold stretches, the compressor works near its low-ambient limit, cycling harder than it does in mild shoulder weather. That repeated strain shows up in the valve seat and in the refrigerant circuit before it shows up anywhere else. A contractor diagnosing a fault here checks refrigerant charge and compressor amp draw early, because both drift under sustained low-temperature load.

Ductwork that has been rerouted and electrical service that has been updated once or twice over the decades are unlikely to be where a heat pump repair breaks down. Half the homes in Putnam County, New York were built in 1968 or earlier (2020-2024 ACS 5-year). Housing that old has had systems come and go, and the infrastructure bends to fit. What a contractor is solving is inside the unit: whether the compressor is holding pressure, what the refrigerant circuit looks like when the covers come off, and whether the parts a heat pump of that particular model and vintage still has a supply chain behind them. That is the repair question in stock like this.
The Parts of a Heat Pump a Contractor Checks First

The outdoor unit holds the compressor and the condenser coil, and it sits on a pad outside the house. The compressor is where most repair calls begin. When it fails, the system stops moving heat entirely. The condenser coil, wrapped around it, sheds or draws heat from the outside air, and a bent or blocked coil will keep the whole unit from keeping up.
Inside the house, the air handler holds the evaporator coil and the blower fan. The evaporator coil is a common source of refrigerant leaks, and a frozen coil often points back to one. The expansion valve sits between the two coils and controls refrigerant flow. The reversing valve, also inside the refrigerant circuit, is what lets the system switch between heating and cooling, and a stuck valve is why a heat pump sometimes blows the wrong temperature.
The drawing shows the general layout of a heat pump system, and a licensed contractor determines which of these parts applies to the situation in your house.
Get matched in Putnam CountyPutnam County, by the numbers
75 severe weather events were recorded in Putnam County, New York between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Putnam County, New York were built in 1968 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesPutnam County, New York holds 38,450 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 83.8% of the occupied homes in Putnam County, New York (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Putnam County
Extreme weather puts heat pumps under load they were not sized to run indefinitely. How hard the equipment works in this area is a local fact, and it shapes how often repair needs come up.
75 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.