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How much does a 3-ton AC replacement cost in Gillette, WY?

A central air conditioner replacement in Gillette, WY
$7,030
3 tons · typical range $5,062 – $10,686
Typical total$2,343 per ton$7,030
Range you should see in bidsthree bids on the same scope normally land inside this$5,062 – $10,686
Labor portion45% of the job — this is the part that moves by city$3,164
Material portion55% — bought at national prices$3,867
Heating, Air Conditioning, and Refrigeration Mechanics and Installers pay near GilletteBLS does not publish a metro figure for heating, air conditioning, and refrigeration mechanics and installers near Gillette, WY, so this is the Wyoming state average, SOC 49-9021$55,760/yr
U.S. mean for the same tradeSOC 49-9021$64,780/yr
Versus the national pricetrade pay here runs −13.9% against the U.S. mean−$470
Design temperatures95°F summer and -14°F winter at Gillette-Campbell Cty Airport — the two numbers a Manual J starts from, and the reason equipment sized for one city is wrong in another—

Notes

  • Where the number comes from. The national price for a central air conditioner replacement is $2,500 per ton — central AC replacement pricing published for 2026, $1,800–$3,800 per ton installed. Labor is about 45% of that. Heating, Air Conditioning, and Refrigeration Mechanics and Installers near Gillette, WY average $55,760 a year against a U.S. mean of $64,780 — a factor of 0.861 — so the labor half is scaled by that and the material half is not. Source: BLS does not publish a metro figure for heating, air conditioning, and refrigeration mechanics and installers near Gillette, WY, so this is the Wyoming state average, SOC 49-9021.
  • This one falls back to a wider average. BLS did not publish a metro-level wage for this trade near Gillette, WY, so the figure above is a state average. It is still the right order of magnitude, but a local bid carries more weight here than it would in a large metro where the survey has more responses.
  • Design temperatures. 95°F summer and -14°F winter at Gillette-Campbell Cty Airport — the two numbers a Manual J starts from, and the reason equipment sized for one city is wrong in another.
  • What is in the price: the condenser, the matching indoor coil, a new line set where the run allows, refrigerant charge, a pad, electrical connection, permit and labor.
  • What is not: ductwork repair or replacement, a new electrical circuit or panel capacity, asbestos abatement on old duct wrap, and any drywall work. These are the lines that turn a $7,030 quote into a $8,788 invoice, so ask about each one before signing.
  • Use this as a bid check, not a quote. It prices an average job in average condition. Difficult access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a per-unit average.

a central air conditioner replacement in Gillette, WY

$7,030 is the typical number, and three bids on the same scope normally land between $5,062 and $10,686.

That is $470 less than the same job priced at the national average.

Why the city changes the number

About 45% of this job is labor — $3,164 of the $7,030 above. Labor is the only part that moves locally; a bundle of material costs what it costs wherever it is nailed down.

Heating, Air Conditioning, and Refrigeration Mechanics and Installers near Gillette average $55,760 a year, against a U.S. mean of $64,780. That is a factor of 0.861, so the labor half is scaled by it and the material half is not.

Source: BLS does not publish a metro figure for heating, air conditioning, and refrigeration mechanics and installers near Gillette, WY, so this is the Wyoming state average, SOC 49-9021.

What the quote should include

Design temperatures

The lines that turn a quote into an invoice

Ask about each of them before you sign. On a job this size they are the difference between $7,030 and something a quarter higher.

Use it as a bid check, not a quote

This prices an average job in average condition. Access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a national average.

If a bid lands outside $5,062 – $10,686, that is not automatically wrong — but it is the question worth asking out loud.

Nearby sizes

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