AC Installation in Gallup, NM
A new air conditioner in Gallup will run from July through August every year. Tell us about the house, and a licensed contractor who covers McKinley County will get in touch.
Tell us about the job
It takes about a minute.
Two months of real heat, then a lot of standing by
Gallup only asks an air conditioner to work July and August, with afternoons averaging 85°F. That is a short season, but the unit still has to be sized right for those two months, not oversized for a summer that never really arrives here.
A new central air conditioner installed now has to meet 14.3 SEER2, the federal minimum since 2023. Wind is the bigger factor to plan around than heat. Mckinley County has logged 64 damaging wind events over the past ten years against a single hail event, so an outdoor unit here needs a solid pad and mounting more than hail protection.
- 2 months
- July through August, your air conditioner is on duty
- 85°F
- the average summer afternoon it cools against
- 1 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 McKinley 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 is on file once and stays attached to that contractor across every project they take on, not renewed or reissued for each one.
For an air conditioner installation, that license is what stands behind the person doing the work in McKinley County. In most cities and counties, the job also needs a permit from the local building office, with an inspection once the installation is finished.
Source: New Mexico Regulation and Licensing Department
- What size air conditioner does my house need?
- It depends on your square footage, your ceiling height, how much shade and window area you have, and how well your house is insulated. Two houses of the same size can need different sized units for those reasons. A contractor works this out with a load calculation rather than a guess based on square footage alone, and that calculation is what decides the size, not a rule of thumb.
- Should I replace the whole system or just the outdoor unit?
- If your indoor coil and outdoor unit are matched to each other and both are in good shape, replacing just the outdoor unit can work. But if the indoor coil is old or was sized for a different outdoor unit, mismatching the two can hurt how well the system cools and how long it lasts. A contractor can check the age and condition of both parts and tell you whether they still pair up before you decide.
- Do HVAC contractors in Gallup 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 belongs to the contractor, not to any one job, so the same license covers installing your air conditioner. Most cities and counties also require a permit for the installation and an inspection once the work is finished, so ask whether that has been arranged.