AC Installation in Las Vegas, NM
A new air conditioner in Las Vegas will run from June through August every year. Tell us about the house, and a licensed contractor who covers San Miguel County will get in touch.
Tell us about the job
It takes about a minute.
Three months of real heat, and a lot of storms in between
Summer afternoons in San Miguel County average 87°F, and a new air conditioner only has June through August to do its work. That's a short season, but a demanding one, and the unit needs to be sized and installed right to keep up on the hottest afternoons rather than run itself ragged trying.
The bigger risk to a new system here might not be the heat at all. The last ten years brought 89 hail events and 222 damaging wind events to the area, with hail up to 3.07 inches recorded. An outdoor condenser sits exposed to all of that, so how and where it's installed matters as much as the equipment itself. Any new central air conditioner installed now also has to meet the federal efficiency minimum of 14.3 SEER2.
- 3 months
- June through August, your air conditioner is on duty
- 87°F
- the average summer afternoon it cools against
- 89 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 $10 a year.
Estimates for a typical San Miguel County home, from EIA household energy data, New Mexico fuel prices and NOAA climate normals. Your home will differ.
New Mexico requires HVAC contractors to hold a state license.
The license comes from the state's Construction Industries Division. It covers the contractor, not the job, so it stands behind whoever holds it across every installation they do, not just the unit going into your house.
For the air conditioner going in at your place, that license is what stands behind the person doing the work. Separately, in most cities and counties, an installation like this needs a permit from the local building office and an inspection once the work is done.
Source: New Mexico Regulation and Licensing Department
- What size air conditioner does my house need?
- There is no house-size shortcut for this. The right size comes from a load calculation that looks at your square footage, insulation, window area and orientation, ceiling height, and how much shade your house gets in the afternoon. Too big and it cools the air fast but never runs long enough to pull the humidity out, so the house feels damp. Too small and it runs constantly on a 87°F afternoon and still can't keep up. A contractor will run this calculation for your specific house before quoting a unit.
- Should I replace the whole system or just the outdoor unit?
- If your indoor coil and outdoor condenser were installed together and are a matched set, replacing only the outdoor unit usually means mismatching it with an aging indoor coil, which costs you efficiency and can shorten the life of the new unit. The two are engineered to work as a pair. If the indoor coil is old or was already replaced once, a contractor looking at both parts can tell you whether they still match and whether a full swap makes more sense than a partial one.
- Do HVAC contractors in Las Vegas need a state license to work on my home?
- Yes. New Mexico requires HVAC contractors to hold a state license, issued through the Construction Industries Division. The license is held by the contractor, not issued job by job, so it covers them for installing your air conditioner. Most cities and counties also require a permit for an AC installation and an inspection once the work is done, separate from the contractor's license.