Gill's Heating & Cooling, Inc.HVAC contractor in Great Falls, MT
Gill's Heating & Cooling, Inc. is an HVAC contractor at 315 4th St S, Great Falls, MT 59405, ranked #11 of 31 HVAC contractors in Great Falls and rated 5.0 from 61 Google reviews. Open Monday to Friday.
Great Falls, MTUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 315 4th St S, Great Falls, MT 59405Get directions |
|---|---|
| Phone | (406) 453-8705 |
| Website | gfgillsheatingandcooling.com |
| Hours | Monday to Thursday: 8 AM – 5 PM; Friday: 8 AM – 11 AM |
| Google rating | 5.0 from 61 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 – 11 AM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
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 |
|---|---|---|---|---|---|---|---|
| Gill's Heating & Cooling, Inc. (this business) | — | 81 | 5.0 (61) | — | No | No | |
| Combustion Service Co. Inc. | #9 | 82 | 4.5 (4) | — | Yes | Yes | 1.8 mi |
| HVAC & Refrigeration | #10 | 82 | 4.8 (15) | — | Yes | Yes | 1.5 mi |
| Palagi Plumbing & Heating Inc | #12 | 80 | 5.0 (5) | — | — | — | 1.8 mi |
Questions about Gill's Heating & Cooling, Inc.
How is Gill's Heating & Cooling, Inc. ranked in Great Falls?
Gill's Heating & Cooling, Inc. is ranked #11 of 31 HVAC contractors in Great Falls by CR Score, with 81 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What are Gill's Heating & Cooling, Inc.’s hours?
Gill's Heating & Cooling, Inc. is open Monday to Friday. Its listed hours are Monday to Thursday, 8 AM – 5 PM; Friday, 8 AM – 11 AM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about Gill's Heating & Cooling, Inc.?
Gill's Heating & Cooling, Inc. has a rating of 5.0 from 61 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 Gill's Heating & Cooling, Inc.?
Call Gill's Heating & Cooling, Inc. on (406) 453-8705. The business is at 315 4th St S, Great Falls, MT 59405. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own Gill's Heating & Cooling, Inc.? 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.