Combustion Service Co. Inc.HVAC contractor in Great Falls, MT

#9Ranked #9 of 31 HVAC contractors in Great Falls

Combustion Service Co. Inc. is an HVAC contractor at 2218 9th Ave N, Great Falls, MT 59401, ranked #9 of 31 HVAC contractors in Great Falls and rated 4.5 from 4 Google reviews. Open 24 hours a day, 7 days a week.

Great Falls, MTUpdated October 22, 20260 paid placements in any rankingHow we rank

Call (406) 643-5140

Key facts

Key facts about Combustion Service Co. Inc.
Address	2218 9th Ave N, Great Falls, MT 59401Get directions
Phone	(406) 643-5140
Hours	Open 24 hours, 7 days a week
Google rating	4.5 from 4 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

Opening hours for Combustion Service Co. Inc.
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

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

Combustion Service Co. Inc. compared with nearby businesses
Business	Rank	CR Score	Google rating	License verified	Saturday	Sunday	Distance away
Combustion Service Co. Inc. (this business)	—	58	4.5 (4)	—	Yes	Yes
Sawtooth Mechanical & Construction	#7	59	3.5 (13)	—	Yes	Yes	7.8 mi
MacDonald Heating & Cooling	#8	58	4.9 (17)	—	—	—	6.3 mi
Falls Mechanical Services LLC	#10	58	4.7 (45)	—	No	No	2.0 mi

See all 31 ranked HVAC contractors in Great Falls

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.5from 4 Google reviews

Hired Combustion Service Co. Inc.? Write a review

Questions about Combustion Service Co. Inc.

How is Combustion Service Co. Inc. ranked in Great Falls?

Combustion Service Co. Inc. is ranked #9 of 31 HVAC contractors in Great Falls by CR Score, with 58 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 Combustion Service Co. Inc.’s hours?

Combustion Service Co. Inc. 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 do Google reviews say about Combustion Service Co. Inc.?

Combustion Service Co. Inc. has a rating of 4.5 from 4 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 Combustion Service Co. Inc.?

Call Combustion Service Co. Inc. on (406) 643-5140. The business is at 2218 9th Ave N, Great Falls, MT 59401. Ask for a written estimate before any work starts.

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