Otter Mountain MechanicalHVAC contractor in Great Falls, MT
Otter Mountain Mechanical is an HVAC contractor in Great Falls, MT, ranked #17 of 31 HVAC contractors in Great Falls and rated 5.0 from 3 Google reviews. Open 7 days a week.
Great Falls, MTUpdated 0 paid placements in any rankingHow we rank
Key facts
| Phone | (406) 781-0436 |
|---|---|
| Hours | Monday to Sunday: 8 AM – 5 PM |
| Google rating | 5.0 from 3 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Based in Great Falls, MTView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 5 PM |
| Saturday | 8 AM – 5 PM |
| Sunday | 8 AM – 5 PM |
- Open evenings — no
- Open Saturdays
- Open Sundays
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.
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
5.0from 3 Google reviews
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Questions about Otter Mountain Mechanical
How is Otter Mountain Mechanical ranked in Great Falls?
Otter Mountain Mechanical is ranked #17 of 31 HVAC contractors in Great Falls by CR Score, with 56 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 Otter Mountain Mechanical’s hours?
Otter Mountain Mechanical is open 7 days a week. Its listed hours are Monday to Sunday, 8 AM – 5 PM. On Saturdays it is open 8 AM to 5 PM, and on Sundays 8 AM to 5 PM. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about Otter Mountain Mechanical?
Otter Mountain Mechanical has a rating of 5.0 from 3 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.
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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.