Heat Pump Repair in Myrtle Beach, SC
Homes here need heat from November through March and cooling from May through September. If your system quits, tell us what it's doing and a licensed contractor who covers Horry County will get in touch.
Tell us about the job
It takes about a minute.
Your heat pump works most of the year here
Homes in Horry County need heat or cooling ten months out of the year. Summer afternoons average 89°F, which keeps the outdoor unit running long hours all season. Winter nights average 37°F, cold enough that the system switches over to heating and stays there for months at a time.
The area also sees a lot of wind. Over the past ten years Horry County has logged 111 damaging wind events, and storms like that can knock debris into the outdoor unit or cut the power. Nearly half of South Carolina households lost power for at least 24 hours in 2024. Most heat pumps come back on by themselves once power is restored, but a hard outage during a run cycle puts stress on the compressor, and that is often where you notice trouble first, a system that runs but cannot keep up with the thermostat.
- 5 months
- November through March, your system heats
- 5 months
- May through September, it cools
- 37°F
- the average winter night it heats against
- 89°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
- Why is my heat pump blowing cold air?
- In heating mode, air from a heat pump is naturally cooler than a furnace's, often around body temperature, so it can feel cold even when it's working right. If the air feels truly cold, not just cool, the system may be stuck in defrost mode or the reversing valve may not be switching properly. A stuck reversing valve won't fix itself, and it keeps the system from heating your home. A contractor can test the valve and tell you what's wrong.
- Why is there ice on my heat pump?
- Some frost on the outdoor unit during winter is normal, and the system should clear it on its own through a defrost cycle several times a day. If ice is building up faster than it melts, or you see a thick layer covering the coil, something is keeping the unit from defrosting properly. This can come from a failed defrost sensor, a blocked drain, or low refrigerant. Left alone, the ice blocks airflow and the system has to work harder to heat your home. A contractor can check the defrost control and refrigerant charge to find the cause.
- Why is my heat pump running but not cooling?
- If the outdoor unit and indoor fan are both running but the air isn't cold, the system is likely low on refrigerant or the outdoor coil is dirty or blocked. With summer afternoons here reaching around 89°F, a heat pump low on refrigerant can run for hours without bringing the house down to temperature. Check that nothing is blocking the outdoor unit, like grass clippings or leaves against the coil. If it's clear and the air still isn't cooling, a contractor will need to check the refrigerant charge and the compressor.