H.A. Thompson & SonsHVAC contractor in Bismarck, ND
H.A. Thompson & Sons is an HVAC contractor at 911 S 9th St, Bismarck, ND 58504, ranked #8 of 36 HVAC contractors in Bismarck and rated 4.0 from 74 Google reviews. Open 24 hours a day, 7 days a week.
Bismarck, NDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 911 S 9th St, Bismarck, ND 58504Get directions |
|---|---|
| Phone | (701) 223-3393 |
| Website | hatandsons.com |
| Hours | Open 24 hours, 7 days a week |
| Google rating | 4.0 from 74 Google reviews |
Service area
Serves Bismarck and 1 town within 25 miles: Mandan.
Based in Bismarck, NDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
- Open 24/7
- Open evenings — no
- Open Saturdays
- Open Sundays
- Emergency service
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range | $3,887 | $5,978 | $8,073 |
| Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range | $2,823 | $4,814 | $6,896 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby HVAC contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| H.A. Thompson & Sons (this business) | — | 59 | 4.0 (74) | — | Yes | Yes | |
| Cooling & Heating Unlimited | #6 | 62 | 4.7 (70) | — | Yes | Yes | 0.8 mi |
| Quick Fix Air Comfort - Heating & Cooling | #7 | 61 | 4.9 (70) | — | Yes | Yes | 3.2 mi |
| Igoe Heating and Air | #9 | 58 | 5.0 (6) | — | Yes | Yes | 1.4 mi |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
4.0from 74 Google reviews
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Questions about H.A. Thompson & Sons
How is H.A. Thompson & Sons ranked in Bismarck?
H.A. Thompson & Sons is ranked #8 of 36 HVAC contractors in Bismarck by CR Score, with 59 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.
What are H.A. Thompson & Sons’ hours?
H.A. Thompson & Sons is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.
What areas does H.A. Thompson & Sons serve?
Serves Bismarck and 1 town within 25 miles: Mandan. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.
What do Google reviews say about H.A. Thompson & Sons?
H.A. Thompson & Sons has a rating of 4.0 from 74 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact H.A. Thompson & Sons?
Call H.A. Thompson & Sons on (701) 223-3393. The business is at 911 S 9th St, Bismarck, ND 58504. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own H.A. Thompson & Sons? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.