HVAC Repair in Lusk, WY
Homes here need heat from September through May and cooling from July through August. If your system quits, tell us what it's doing and a licensed contractor who covers Niobrara County will get in touch.
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It takes about a minute.
Nine months of heat, and nights near 13 below zero
Furnaces in Lusk run from September through May. That is nine months of the burner cycling on and off, night after night, on winters that average 13 degrees at night. Every one of those cycles puts wear on the igniter and the parts that start the burner. When one fails, the house goes cold on the coldest nights of the year, not the mild ones.
Summer is short here, just July and August, but afternoons still climb to 85 degrees and the air conditioner has to catch up fast when it finally gets used. Wind is part of the picture too. Niobrara County has seen 42 damaging wind events and 49 winter storms over the past ten years, and outages follow. Across Wyoming, 8 percent of households lost power for at least a day in 2024. Furnaces and air conditioners do not restart on their own after that, and a system that will not turn back on is one of the most common calls after a storm rolls through.
- 9 months
- September through May, your system heats
- 2 months
- July through August, it cools
- 13°F
- the average winter night it heats against
- 85°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
A new furnace and air conditioner would cut about $140 a year off heating and cooling for a typical Niobrara County home.
Estimates for a typical Niobrara County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, Wyoming fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when one part has failed.
Replacement makes sense when the furnace's heat exchanger is cracked, the air conditioner's compressor has failed, or repairs keep coming.
- Why is my heat not working?
- Most no-heat calls in winter come down to the igniter or the thermostat, not the furnace itself. If the igniter has failed, the burners never light even though the blower runs. If the thermostat has lost power or its settings got bumped, the furnace never gets the call to start at all. With nights here averaging 13°F, do not wait on this one. A dead furnace on a night that cold can let pipes freeze in a matter of hours.
- Why is my system running but not cooling the house?
- If air is moving but it is not cold, the most common cause is a dirty filter choking off airflow across the coil, or low refrigerant from a leak. A blower that runs but pushes warm air can also mean the outdoor unit has failed while the indoor fan keeps going. Check the filter first since that is the one thing you can rule out yourself. Anything past that, a coil or refrigerant issue, needs a contractor to diagnose.
- What can I check before calling for HVAC repair?
- Start with the filter. A clogged one restricts airflow and can cause weak heat, weak cooling, or a system that shuts itself off. Next check the thermostat has power and is set to the right mode and temperature, since dead batteries or a wrong setting look like a bigger problem than they are. Then look at the breaker panel. A tripped breaker will stop the system cold with no other symptoms. If all of that checks out and the system still is not working right, that points to something inside the unit that needs a contractor to look at.


