AC Installation in Twin Falls, ID
A new air conditioner in Twin Falls will run from July through August every year. Tell us about the house, and a licensed contractor who covers Twin Falls County will get in touch.
Tell us about the job
It takes about a minute.
Two months of heat, but real heat
Twin Falls only asks for cooling in July and August. That's a short season, but summer afternoons here average 83°F, and your air conditioner has to keep up on the hottest days those two months bring.
Hail and wind show up in the record too, ten hail events and 28 damaging wind events over the past ten years, with hailstones up to 1.5 inches. An outdoor unit sits exposed to that. Any new central air conditioner installed today has to meet a federal minimum of 13.4 SEER2, so efficiency is already built into what you're buying.
- 2 months
- July through August, your air conditioner is on duty
- 83°F
- the average summer afternoon it cools against
- 10 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 Twin Falls County home, from EIA household energy data, Idaho fuel prices and NOAA climate normals. Your home will differ.
Idaho requires HVAC contractors to hold a state license.
The license comes from the state's HVAC Board, and it belongs to the contractor, not to any single job. To get it, a contractor had to prove to the board they know the trade. It does not certify each installation, so the same credential stands behind the next job you hire them for too.
For an air conditioner installation, that license is what stands behind the person doing the work. Beyond that, in most cities and counties here, this kind of installation needs a permit from the local building office, with an inspection once the work is finished. That inspection is where someone besides the contractor looks at what was installed.
Sources: Idaho Legislature · Idaho Division of Occupational and Professional Licenses
- What size air conditioner does my house need?
- The right size comes from a load calculation, not from square footage alone. A contractor looks at your insulation, your windows, how many rooms face the afternoon sun, and your duct layout before landing on a number. An oversized unit cools the air fast but shuts off before it pulls the moisture out, so the house feels clammy. An undersized one runs long stretches on the hottest days and still falls behind. Ask whoever quotes the job to walk you through the calculation, not just quote a tonnage.
- Should I replace the whole system or just the outdoor unit?
- If your furnace or air handler is old, replacing only the outdoor unit can cause problems. The indoor and outdoor units are matched to work together, and pairing a new condenser with an old coil often means you lose efficiency and can shorten the life of the new equipment. A contractor can check the age and condition of the indoor coil and tell you whether it will pair safely with new outdoor equipment. If the indoor side still has years left in it, a matched replacement outside alone can make sense.
- Do HVAC contractors in Twin Falls need a state license to work on my home?
- Yes. Idaho requires HVAC contractors to hold a state license, issued by the state's HVAC Board. For an air conditioner installation, the local building office also requires a permit and an inspection once the work is finished. Ask to see the license number before work starts, and confirm the permit gets pulled.