HVAC Repair in Oxford, MS
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 Lafayette County will get in touch.
Tell us about the job
It takes about a minute.
Ten months of work a year, with storms on top of it
Your system runs from November through March to keep the house warm, then May through September to keep it cool. Winter nights average 34°F here, cold enough that the heat runs steady, and summer afternoons average 90°F, which keeps the compressor working hard for weeks at a stretch.
Most homes here heat with electricity, so a power outage means no heat at all, not just a furnace waiting on a pilot light. That matters in this area. Lafayette County has seen 46 damaging wind events and 8 winter storms over the past ten years, and 30% of households in Mississippi lost power for at least 24 hours in 2024. When the power drops and comes back, some systems need a hand to start again, and a system already worn from months of running is the one most likely to need it.
- 5 months
- November through March, your system heats
- 5 months
- May through September, it cools
- 34°F
- the average winter night it heats against
- 90°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
Mississippi requires HVAC contractors to hold a state license.
The State Board of Contractors tested this contractor and keeps a record of them. The license belongs to the contractor, not to your address or this specific repair, so it covers the person taking on the job rather than the job itself.
For a heating and cooling repair, that license is what stands behind the work. It means the state has already checked this contractor's qualifications before they set foot in your home.
Source: Mississippi State Board of Contractors
- Why is my heat not working?
- Start with the thermostat and the power to the furnace. If the thermostat screen is blank or the furnace won't respond, check the breaker and any switch that looks like a light switch near the unit, since that's the furnace's power cutoff. If power and the thermostat both look fine, the igniter is a common failure point, and a furnace that runs but never lights usually points there. With winter nights here averaging 34°F, a furnace that won't hold heat needs a contractor out soon rather than waiting it out.
- Why is my system running but not cooling the house?
- Check the air filter first. A filter clogged with dust blocks airflow across the coil, and when that happens the coil can ice over and stop cooling the air even though the system keeps running. Turn the system off for a few hours to let any ice melt, then replace the filter and try again. If the house still isn't cooling after that, the refrigerant charge or the outdoor unit itself needs a contractor to look at it, especially with afternoons here reaching 90°F.
- What can I check before calling for HVAC repair?
- Check the thermostat batteries and settings, the breaker for the system, and the air filter. All of them take a minute to look at and all of them cause real no-heat and no-cool calls. Also check any switch near the indoor unit that looks like a wall switch, since that's often the system's power cutoff and it's easy to bump off by accident. If everything there checks out and the system still isn't heating or cooling, a licensed contractor will need to diagnose what's actually failing.

