AC Installation in Kemmerer, WY
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Kemmerer doesn't ask much of an air conditioner
Summer afternoons here average 75°F. That's mild, and it means a new air conditioner in Kemmerer won't be working hard most days it runs.
What it does need to handle is hail and wind. The county has logged 6 hail events and 29 damaging wind storms over the past ten years, with hail up to 1.75 inches. The outdoor unit sits outside through all of that, so how it's installed and protected matters more than how much cooling power it has. Any new system also has to meet the federal efficiency minimum of 13.4 SEER2, the baseline for units built since 2023.
- 75°F
- the average summer afternoon it cools against
- 6 hail events
- in ten years, and hail bends the fins on outdoor coils
- 13.4 SEER2
- the federal minimum any new unit must meet

NOAA nClimDiv, 1991–2020 normals
Going above the federal minimum saves little here, about $0 a year.
Estimates for a typical Lincoln County home, from EIA household energy data, Wyoming fuel prices and NOAA climate normals. Your home will differ.
- What size air conditioner does my house need?
- It depends on your square footage, ceiling height, insulation, window area and how much shade the house gets, not just the number of rooms. A contractor works this out with a load calculation rather than a guess based on home size alone. An oversized unit will short cycle, running in quick bursts that cool the air fast but never run long enough to pull the humidity down. Getting the size right matters more than getting a bigger unit.
- Should I replace the whole system or just the outdoor unit?
- If your indoor coil and furnace are old or mismatched to a new outdoor unit, replacing just the outdoor unit can cause problems down the line. Manufacturers match coil and condenser as a pair, and pairing a new condenser with an old coil often means the system never hits its rated efficiency. A contractor can check the age and condition of the indoor coil and tell you whether it can handle a new outdoor unit or whether both need to go at once. If the whole system is old, replacing it together is usually the safer bet.
- Do HVAC contractors in Kemmerer need a state license to work on my home?
- Ask to see a contractor's license before any work starts, and check the number against state contractor records if you want to confirm it. A licensed contractor also carries the insurance that protects you if something goes wrong during the job. This matters as much for a small repair as it does for a full installation.


