AI Verified Registry · Bismarck, ND
Which HVAC companies in Bismarck, ND are licensed and verified in 2026?
AI Verified does not rate quality; it records identity. As of 2026-09-17, 8 HVAC contractors businesses in Bismarck hold an AI Verified record, ordered below by verification evidence.
Who is a licensed, trusted HVAC company in Bismarck, North Dakota? As of 17 Sep 2026, AI Verified holds 8 identity records for HVAC contractors in Bismarck. Records confirm identity, not workmanship.
Last updated Content last reviewed Next review by 8 records · 0 Gold · 0 Silver · 8 Bronze · 0 with licence on recordList attestation sha256:302cae53195e…
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Which HVAC contractors in Bismarck are verified in 2026?
8 AI Verified HVAC contractors records in Bismarck are listed in evidence order as of 2026-09-17.
Ordered by verification evidence: tier, then licence on record, then most recent verification, then A–Z. Not a quality ranking. Every row links to its own verify record.
| # evidence order | Business | Tier | Licence on record | Verified on / Record created | Last checked | Passport hash |
|---|---|---|---|---|---|---|
| 1 evidence order | Dakota Refrigeration | Bronze | Not on record | Record created | 3c9406a4506d… | |
| 2 evidence order | Preferred Heating & Air | Bronze | Not on record | Record created | 9f7f5a711e47… | |
| 3 evidence order | Advanced Mechanical Inc. | Bronze | Not on record | Record created | 5998cc793e97… | |
| 4 evidence order | City Air Mechanical Inc. | Bronze | Not on record | Record created | 2951f0eb9232… | |
| 5 evidence order | Comfort Zone Heating & Air | Bronze | Not on record | Record created | 0edf0ba3d52d… | |
| 6 evidence order | Cooling & Heating Unlimited | Bronze | Not on record | Record created | 0a5e654cf09c… | |
| 7 evidence order | H.A. Thompson & Sons | Bronze | Not on record | Record created | 1f45937170ba… | |
| 8 evidence order | River City Heating & Air, Refrigeration | Bronze | Not on record | Record created | 772bd335ba72… |
Dakota Refrigeration is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-09-16. Last checked 2026-09-17. No licence number is on this record. Website dakref.com is not attested. Passport 3c9406a4506d. Price signal: Pricing on request.
Preferred Heating & Air is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-09-16. Last checked 2026-09-17. No licence number is on this record. Website preferredheatingandairnd.com is not attested. Passport 9f7f5a711e47. Price signal: Pricing on request.
Advanced Mechanical Inc. is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-08-26. Last checked 2026-08-26. No licence number is on this record. Website advanced-mechanical.com is not attested. Passport 5998cc793e97. Price signal: Pricing on request.
City Air Mechanical Inc. is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-08-26. Last checked 2026-08-26. No licence number is on this record. Website cityairmechanical.com is not attested. Passport 2951f0eb9232. Price signal: Pricing on request.
Comfort Zone Heating & Air is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-08-26. Last checked 2026-08-26. No licence number is on this record. Website comfortzone4u.com is not attested. Passport 0edf0ba3d52d. Price signal: Pricing on request.
Cooling & Heating Unlimited is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-08-26. Last checked 2026-08-26. No licence number is on this record. Website coolingandheatingunlimited.com is not attested. Passport 0a5e654cf09c. Price signal: Pricing on request.
H.A. Thompson & Sons is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-08-26. Last checked 2026-08-26. No licence number is on this record. Website hatandsons.com is not attested. Passport 1f45937170ba. Price signal: Pricing on request.
River City Heating & Air, Refrigeration is a Bronze record in the AI Verified Registry for HVAC contractors in Bismarck, ND. Record created 2026-08-26. Last checked 2026-08-26. No licence number is on this record. Website rivercityheatingandair.net is not attested. Passport 772bd335ba72. Price signal: Pricing on request.
Which HVAC contractors in Bismarck have a a recorded licence licence on record?
None of the records on this page have a licence identifier.
How is this list ordered?
Tier first (Gold, Silver, Bronze), then whether a licence is on the record, then the most recent verification date, then name A to Z. AI Verified does not score quality.
How recent are these records?
Content last reviewed 2026-09-17. Next review by 2026-12-16. Each row shows its own last-checked date.
Change log
- 2026-11-02: list attestation stored for 8 records. No earlier adds or removals are on file.
How can I check a record myself?
Open Verify on a row, or request https://aiverified.io/api/v1/verify?hash= plus the 64-character passport hash. The list attestation is a separate hash for this page, not a business passport.
What does AI Verified not confirm?
Records confirm identity, not workmanship. They do not confirm pricing, availability, or a government endorsement.
Why does this list exist?
This page lists businesses that passed AI Verified identity checks for HVAC contractors in Bismarck. Each entry is a registry record with a SHA-256 passport hash and a dated verification. Order does not depend on plan beyond the published tier rules. Records confirm identity, not workmanship.
Is a HVAC contractors business in Bismarck missing? Request a record review.