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Comfort Zone ServiceHVAC contractor in Frankfort, IL

Comfort Zone Service is an HVAC contractor in Frankfort, IL, ranked #16 of 765 HVAC contractors in Frankfort and rated 4.9 from 110 Google reviews. Open 24 hours a day, 7 days a week.

Frankfort, ILUpdated 0 paid placements in any rankingHow we rank

Call (708) 403-3434Website ↗

Key facts

Key facts about Comfort Zone Service
Phone(708) 403-3434
Websitecomfortzoneservice.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 110 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Frankfort and 12 towns within 25 miles: Orland Park, Orland Hills, Palos Heights, Goodings Grove, Palos Hills, Worth, Homer Glen, Tinley Park, Crestwood, Oak Forest, Chicago Ridge and Alsip.

Based in Frankfort, ILView on map

Opening hours

Opening hours for Comfort Zone Service
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

Comfort Zone Service compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Comfort Zone Service (this business)—614.9 (110)—YesYes
TR Miller Heating, Cooling, Plumbing and Electrical#14624.9 (10,641)—YesYes18.2 mi
Update Heating and Cooling Services#15614.9 (435)—YesYes11.8 mi
J.J.R. Heating & Cooling Inc#17615.0 (408)—YesYes0.1 mi

See all 765 ranked HVAC contractors in Frankfort

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 110 Google reviews

Hired Comfort Zone Service? Write a review

Questions about Comfort Zone Service

How is Comfort Zone Service ranked in Frankfort?

Comfort Zone Service is ranked #16 of 765 HVAC contractors in Frankfort by CR Score, with 61 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 Comfort Zone Service’s hours?

Comfort Zone Service 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 Comfort Zone Service serve?

Serves Frankfort and 12 towns within 25 miles: Orland Park, Orland Hills, Palos Heights, Goodings Grove, Palos Hills, Worth, Homer Glen, Tinley Park, Crestwood, Oak Forest, Chicago Ridge and Alsip. 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 Comfort Zone Service?

Comfort Zone Service has a rating of 4.9 from 110 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 Comfort Zone Service?

Call Comfort Zone Service on (708) 403-3434. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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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.

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