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Master Mechanical Inc.HVAC contractor in Des Plaines, IL

Master Mechanical Inc. is an HVAC contractor at 119 S Emerson St Suite 327, Mt Prospect, IL 60056, ranked #8 of 1,647 HVAC contractors in Des Plaines and rated 5.0 from 275 Google reviews. Open 24 hours a day, 7 days a week.

Des Plaines, ILUpdated 0 paid placements in any rankingHow we rank

Call (847) 722-0000Website ↗

Key facts

Key facts about Master Mechanical Inc.
Address119 S Emerson St Suite 327, Mt Prospect, IL 60056, Des Plaines, ILGet directions
Phone(847) 722-0000
Websitemastermechanical.net
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 275 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Des Plaines and 11 towns within 25 miles: Mount Prospect, Prospect Heights, Arlington Heights, Rolling Meadows, Elk Grove Village, Wheeling, Palatine, Park Ridge, Buffalo Grove, Northbrook and Itasca.

Based in Des Plaines, ILView on map

Opening hours

Opening hours for Master Mechanical Inc.
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
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

Master Mechanical Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Master Mechanical Inc. (this business)—915.0 (275)—YesYes
Legendary Service#6915.0 (286)—YesYes1.8 mi
Shavitz Heating and Air Conditioning#7914.9 (2,707)—YesYes11.5 mi
Astera Heating, Cooling and Appliance repair#9914.9 (1,120)—YesYes3.6 mi

See all 1647 ranked HVAC contractors in Des Plaines

Questions about Master Mechanical Inc.

How is Master Mechanical Inc. ranked in Des Plaines?

Master Mechanical Inc. is ranked #8 of 1,647 HVAC contractors in Des Plaines by CR Score, with 91 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 Master Mechanical Inc.’s hours?

Master Mechanical 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 areas does Master Mechanical Inc. serve?

Serves Des Plaines and 11 towns within 25 miles: Mount Prospect, Prospect Heights, Arlington Heights, Rolling Meadows, Elk Grove Village, Wheeling, Palatine, Park Ridge, Buffalo Grove, Northbrook and Itasca. 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 Master Mechanical Inc.?

Master Mechanical Inc. has a rating of 5.0 from 275 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 Master Mechanical Inc.?

Call Master Mechanical Inc. on (847) 722-0000. The business is at 119 S Emerson St Suite 327, Mt Prospect, IL 60056, Des Plaines, IL. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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