HVAC 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.
Ten months of work, then a storm on top of it
Your system runs almost year round here. Heat from November through March, cooling from May through September, with only a couple months off in between. Summer afternoons averaging 89°F keep the compressor under load for five straight months. Winter nights averaging 37°F mean the heat runs most nights from December through February, cycling on and off to keep up.
Most homes here heat with electricity, so when the power goes out, the heat goes with it. Over the past ten years this area has seen 111 damaging wind events and 2 winter storms, and in 2024 nearly half of South Carolina households lost power for at least a day. A system that loses power and doesn't come back on right leaves you cold or without air until someone sorts out why.
- 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 not working?
- Most of the time it comes down to power, gas, or airflow. Check your thermostat is set to heat and the batteries are good, then check the breaker for the furnace or air handler hasn't tripped. Most homes here heat with electricity, so if the power blinked during a storm, some systems need the thermostat reset before they'll fire back up. If the breaker is fine and it still won't run, a contractor will need to look at the igniter or the flame sensor.
- Why is my system running but not cooling the house?
- The fan is moving air but something is stopping that air from getting cold. A dirty filter is the most common cause, since it chokes off the airflow across the coil and the system can't pull heat out of the air fast enough. Check the filter first and replace it if it's gray or clogged. If it's clean and the air still isn't cold, the coil could be frozen or the system could be low on refrigerant, and either one needs a contractor to check.
- What can I check before calling for HVAC repair?
- Start with the thermostat. Make sure it's set to the mode you want, heat or cool, and that the batteries aren't dead. Then check the breaker for the furnace, air handler, or outdoor unit, since a tripped breaker will stop the system cold with no other warning. Look at the filter next and replace it if it's dirty, and make sure nothing is blocking the vents inside or the outdoor unit outside. If the system still won't run right after that, a contractor will need to diagnose it.

