How much does furnace & AC replacement cost in Bismarck? The usual furnace & AC replacement job filed with Bismarck is $4,435, from 2,093 priced permits (October 2023 through September 2026); the middle half of firms file between $1,800 and $5,200. A filed value is what the contractor wrote on the permit, not a quote or the final bill.
The usual furnace & AC replacement job filed with Bismarck is $4,435, from 2,093 priced permits, October 2023 through September 2026. The middle half of firms usually file between $1,800 and $5,200. Half of jobs were filed for less, half for more. A filed value is what the contractor wrote on the permit, not a quote or the final bill.
Approximately, from each firm's own spread: every firm's range of filed values, weighted by its 2,093 priced permits across 23 firms, pooled into one. Half of Bismarck furnace & AC replacement permits were filed between $1,900 and $7,800.
| Percentile | Filed value | Reads as |
|---|---|---|
| 10th | $1,200 | 1 in 10 permits filed below |
| 25th | $1,900 | 1 in 4 filed below |
| 50th | $4,200 | the middle permit |
| 75th | $7,800 | 1 in 4 filed above |
| 90th | $11,700 | 1 in 10 filed above |
Firms split into thirds by the usual value of the homes they work on, with each third's usual filed value weighted by permits. Home values: Bismarck Assessing 2026 market values.
| Firms working on | Usual home value | Usual filed value | Firms | Permits |
|---|---|---|---|---|
| Lower third | under $304,300 | $3,697 | 7 | 261 |
| Middle third | $304,300–$368,700 | $6,709 | 8 | 1,556 |
| Upper third | $371,800 and up | $5,652 | 8 | 281 |
Top 10 by permits in the last 12 months. Usual is each firm's middle filed value; middle half is the range its middle half of jobs were filed in. Busy is not the same as careful: pick what you value to build a list.
| Firm | Permits | Last 12 mo | Usual | Middle half | Finished |
|---|---|---|---|---|---|
| Bismarck Heating & Air Conditioning | 946 | 322 | $6,709 | $3,667–$10,182 | 20.1% |
| H. A. Thompson & Sons Inc | 280 | 98 | $1,703 | $1,571–$1,951 | 37.7% |
| Advanced Mechanical Inc. | 244 | 90 | $4,290 | $1,905–$5,522 | 51.1% |
| Northern Plains Heating & Air | 162 | 62 | $5,652 | $4,462–$9,406 | 3.1% |
| Cooling & Heating Unlimited Inc | 214 | 42 | $3,697 | $1,914–$5,474 | 2.4% |
| Northern Plains Plumbing & Heating Inc | 42 | 21 | $1,592 | $1,502–$2,638 | 8.7% |
| Curt's Installation & Repair | 54 | 16 | $1,200 | $1,200 | 9.9% |
| Innovative Mechanical Solutions, LLC | 56 | 15 | $3,697 | $2,873–$4,437 | 24.0% |
| Preferred Heating & Air, Inc. dba Jwhvac, Inc | 15 | 7 | $4,125 | $2,900–$4,250 | 7 of 9 |
| Mandan Plumbing & Heating Inc | 22 | 5 | $1,800 | $1,800–$4,000 | 62.1% |
Line your quote up against the file. In Bismarck, 1 in 10 furnace & AC replacement filed values sit under $1,200, the middle half between $1,900 and $7,800, and 1 in 10 over $11,700.
Bismarck files the fewest furnace & AC replacement permits in March (68 against an average month of 100) and the most in July (125). If you can choose, ask for quotes in a quiet month. We have no prices by month, so this is about crews' schedules, not a discount. When each trade is busiest in Bismarck →
Source: City of Bismarck TRAKiT building, mechanical, electrical and plumbing permits on homes. The window is October 2023 through September 2026; a permit filed after that isn't here yet.
Usual is the middle permit: half were filed for less, half for more. Only permits with a filed value count; a value of $0 or none is left out.
The spread is approximate: we keep seven points of each firm's own range of filed values, not every permit, and pool them.
Nobody paid to be on this page and nobody can. How the records work in Bismarck →
Other job costs in Bismarck: Plumbing · HVAC Install · New Home · Remodel & Addition · Fireplace & Stove · Deck