AC Installation in Anaconda-Deer Lodge County, MT
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Summers here barely ask for cooling at all
Summer afternoons in Anaconda-Deer Lodge County average 71°F. That's mild enough that a lot of homes get by without central air at all, and the ones that have it rarely run it hard.
The outdoor unit still has to hold up to what comes through. Hail has struck twice in the last ten years, with stones up to 1.25 inches, and wind strong enough to cause damage has come through 15 times over that same stretch. Any new central air conditioner installed today has to meet the federal efficiency minimum of 13.4 SEER2.
- 71°F
- the average summer afternoon it cools against
- 2 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 Deer Lodge County home, from EIA household energy data, Montana fuel prices and NOAA climate normals. Your home will differ.
Montana requires HVAC contractors to hold a state license.
The state license comes from Montana's Department of Labor and Industry, and it belongs to the contractor, not to any single job. It means the state has tested that contractor and keeps a record of them. Work under $2,500 falls outside that requirement, so a small repair might not need a licensed contractor, but an air conditioner installation runs well past that line.
For a job like this, the license is the thing that stands behind the work. In most cities and counties an installation also needs a permit from the local building office and an inspection once the work is done, which checks that the unit was put in correctly and connected the way it should be. That inspection is separate from the license itself, and it is what catches problems the license alone does not.
Source: Montana Legislature
- What size air conditioner does my house need?
- A contractor has to work this out room by room, not off a chart. Square footage plays a part, but so does how much shade the house gets, how many windows face west, how much insulation is in the attic, and how many people live there. An oversized unit cools the air fast then shuts off before it pulls the moisture out, so the house feels clammy even at the right temperature. Undersized and it runs nonstop on hot afternoons and still can't keep up. With summer highs around 71°F here, most homes end up needing less capacity than the same square footage would in a hotter state, which is more reason to have someone size it properly instead of guessing high.
- Should I replace the whole system or just the outdoor unit?
- If the indoor coil and outdoor unit weren't matched as a set originally, replacing just the outdoor unit can leave you with a mismatched system that runs poorly and wears out early. The refrigerant type matters too. Older systems use a refrigerant that's being phased out, and a new outdoor unit built for the current refrigerant won't pair with an old coil designed for the old one. A contractor can look at the age and condition of both pieces and tell you honestly whether the coil is worth keeping or whether swapping just the outdoor unit will cause problems down the line.
- Do HVAC contractors in Anaconda-Deer Lodge County need a state license to work on my home?
- Yes. Montana requires HVAC contractors to hold a state license, issued through the Department of Labor and Industry, and installing an air conditioner falls under that. The license is held by the contractor, not issued per job, so it's worth confirming the person doing the work is covered under it. There's an exception for smaller jobs, but a contractor will be able to tell you where a full installation falls once they've looked at your house. You'll also want to check with the local building office about a permit and inspection, since most places require one when a system like this goes in.