Heat Pump Repair in Port Lavaca

Serving Port Lavaca and every community across Calhoun County.

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Step 1 of 3: Equipment
A single-story red brick house with a gray shingled roof and dark shutters, with a large wind-bent tree behind it under an overcast sky and heavy rain streaking the frame.

A heat pump in Calhoun County that breaks down has almost certainly been let down by something other than the weather. 40 severe weather events were recorded in Calhoun County, Texas between 2015 and 2024. At that rate, severe weather is an occasional event here, and a contractor working a repair has to look past it rather than toward it. Worn contactors, low refrigerant from slow leaks, and compressor fatigue from deferred maintenance are what the evidence inside the unit tends to show. The weather record belongs in the background of a diagnosis, not at the front of it.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.
Interior of an unfinished attic with exposed wooden rafters, a long insulated flexible duct running along the center between floor joists, batts of fiberglass insulation along both eaves, and two cardboard boxes at the far end.

Houses built when much of this stock was built have had their equipment replaced at least once since the original install, sometimes more. What that means for a repair is that the system running today has years of work behind it in a shell that was not built around it. Half the homes in Calhoun County, Texas were built in 1978 or earlier (2020-2024 ACS 5-year). A contractor who opens the unit in a house from this era often finds a compressor or reversing valve that has run harder than the service history shows, because the load the house puts on the system has rarely been light. That gap between what the parts look like on paper and what they look like once opened is where the repair scope gets decided.

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 house showing interior rooms with furniture, ceiling ductwork under a dark shingled roof, and an outdoor condenser unit connected by lines on the right.

The outdoor unit sits on a pad beside the house and holds the compressor and the condenser coil. The compressor is where most repair calls begin. When it fails, the system stops moving heat altogether. The condenser coil surrounds it, and a bent or dirty coil forces the compressor to work harder than it should.

Inside the house, the air handler contains the evaporator coil and the blower. The evaporator coil is a common source of refrigerant leaks, and a failing blower shows up as weak or uneven airflow through the vents. The reversing valve, which sits in the outdoor unit, is the part that lets a heat pump both heat and cool, and when it sticks, the system locks into one mode.

The drawing shows a typical heat pump layout, and a licensed contractor determines which parts apply to your specific setup.

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Calhoun County, by the numbers

40

40 severe weather events were recorded in Calhoun County, Texas between 2015 and 2024.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.
1978

Half the homes in Calhoun County, Texas were built in 1978 or earlier (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
10,833

Calhoun County, Texas holds 10,833 housing units (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
77.3%

Owners occupy 77.3% of the occupied homes in Calhoun County, Texas (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
Codes & Standards Governing Heat Pump Repair in Calhoun County, Texas1 sourced rules & standards

Licensing and Legal Requirements in Calhoun County, Texas

In Texas a person may not engage in air conditioning and refrigeration contracting unless that person holds a license issued under the state air conditioning and refrigeration contractor law.

Texas Department of Licensing and RegulationTex. Occ. Code Ch. 1302 (Texas Department of Licensing and Regulation)Verified 2026-09-10

Severe Weather Events in Calhoun County

Extreme weather puts heat pumps under stress that ordinary use does not. How hard the equipment gets pushed depends on what the sky does locally, and that shapes what repair work looks like here.

Severe weather events by county — Calhoun County
100
2015201720182020202120232024
10

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