Lubbock delivers both kinds of emergency: a house climbing past 90 in July and a house dropping into the 40s on a January night. Here is what counts, what to check first, and exactly what happens when you call.
The National Weather Service office in Lubbock puts the normal July high near 93°F with about ten days a year at or above 100°F, and the January normal low at 27°F with roughly seven inches of snow a year; the all-time records run from 114°F down to −17°F. A house with no cooling in the first stretch and no heat in the second is not a comfort problem for the people at risk in it — infants, older adults, anyone with a heart or breathing condition, anyone who cannot easily leave.
So the test for “emergency” is about the people, not the equipment. No cooling at 3 p.m. in July with a grandparent home is an emergency; a system blowing warm at 8 p.m. in late September with the windows open is a repair that can wait for a scheduled visit. Same in winter: no heat on a night headed for the teens is an emergency; a heat pump that is running but not quite keeping up on a 40-degree morning is not. Say which one you have when you call, because that is what decides how fast your details move.
A gas smell, a burning smell that is not the usual first-fire dust, smoke, or a carbon monoxide alarm is a leave-the-house problem before it is a heating problem. Get everyone out, do not flip switches on the way, and call 911 or the gas utility’s emergency line from outside. Call this number after that; your details will still be taken for the repair. A cracked heat exchanger on an aging furnace can put carbon monoxide into the supply air with no smell at all, so a CO alarm is always real until proven otherwise.
Check the thermostat (set to cool, set point below room temperature, fresh batteries). Check the breaker — reset it once; if it trips again, leave it off. Check the filter, because in Lubbock a filter packed with blown dust is the single most common cause of a frozen coil: if the indoor coil or the refrigerant line is iced, turn cooling off, leave the fan running, and give it an hour to thaw. Check the condensate pan for a tripped float switch. If the outdoor unit hums but the fan does not spin, that is usually a capacitor — a small, common part.
If none of that is it, turn the system off rather than letting a compressor fight a fault, and cool the people rather than the house: blinds closed on the sun side, ceiling fans on, lowest floor, and anyone at risk somewhere with working air — a neighbor, a library, a store — while you wait.
Thermostat to heat, set point above room temperature. Find the furnace switch — a light-switch-style disconnect on or beside the unit that gets bumped off — then the breaker. A furnace that lights, runs a minute and shuts off is usually overheating on a clogged filter and tripping its own limit; one that will not light is usually an igniter or a flame sensor coated over a summer of dust. A blinking status light is a fault code the pro will want.
Heat pumps: an outdoor unit that steams for a few minutes is a normal defrost; vent air that is warm but not hot is normal. A heat pump running constantly on auxiliary or emergency heat with the house still cold, or an outdoor unit encased in ice that never clears, is a real fault. While you wait, close off unused rooms, gather in one, use space heaters only with proper clearance and never on an extension cord, and never run a gas oven, grill or generator indoors for heat.
The line at (806) 542-2649 is answered at any hour by our intake assistant, Maya. She will ask what is happening, whether it is an emergency right now, your name, a callback number and where the property is, and pass everything straight to a local, licensed HVAC company that works in Lubbock and the South Plains. Emergency calls are flagged so they are handled first.
What nobody on this line will do is promise you a time. Maya is not the technician and cannot see the truck, and “someone is on the way” is not a thing we will say unless it is true. What you get is an honest intake, your details in the right hands quickly, and a callback from a real person who quotes the diagnostic fee before anyone drives out.
Almost every mid-summer breakdown in Lubbock was building for weeks under a layer of dust, and almost every first-freeze failure was a flame sensor that a fall check would have caught. That is the whole case for a maintenance plan in a climate with both a real summer and a real winter, and for taking filtration seriously rather than as an afterthought. For the full repair pages, see AC repair and heating and furnace repair. When it is out now in Lubbock, call (806) 542-2649 and say so.
Every climate figure on this page traces to a public, authoritative source. We do not publish statistics we cannot cite.