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Guaranteed Comfort and EnergyHVAC contractor in Maryville, IL

Guaranteed Comfort and Energy is an HVAC contractor at 20 Schiber Ct building c, Maryville, IL 62062, ranked #23 of 288 HVAC contractors in Maryville and rated 4.6 from 38 Google reviews. Open 24 hours a day, 7 days a week.

Maryville, ILUpdated 0 paid placements in any rankingHow we rank

Call (618) 623-0533

Key facts

Key facts about Guaranteed Comfort and Energy
Address20 Schiber Ct building c, Maryville, IL 62062Get directions
Phone(618) 623-0533
HoursOpen 24 hours, 7 days a week
Google rating4.6 from 38 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Insulationadditional Google category

Service area

Serves Maryville and 11 towns within 25 miles: Glen Carbon, Troy, Collinsville, Edwardsville, Pontoon Beach, O'Fallon, Fairview Heights, Granite City, Wood River, Shiloh and East Saint Louis.

Based in Maryville, ILView on map

Opening hours

Opening hours for Guaranteed Comfort and Energy
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

Guaranteed Comfort and Energy compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Guaranteed Comfort and Energy (this business)—604.6 (38)—YesYes
Pruitt Mechanical Services#21604.9 (672)—YesYes17.6 mi
Hoffmann Brothers#24604.9 (5,170)—YesNo18.2 mi

See all 288 ranked HVAC contractors in Maryville

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.6from 38 Google reviews

Hired Guaranteed Comfort and Energy? Write a review

Questions about Guaranteed Comfort and Energy

How is Guaranteed Comfort and Energy ranked in Maryville?

Guaranteed Comfort and Energy is ranked #23 of 288 HVAC contractors in Maryville by CR Score, with 60 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 Guaranteed Comfort and Energy’s hours?

Guaranteed Comfort and Energy 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 Guaranteed Comfort and Energy serve?

Serves Maryville and 11 towns within 25 miles: Glen Carbon, Troy, Collinsville, Edwardsville, Pontoon Beach, O'Fallon, Fairview Heights, Granite City, Wood River, Shiloh and East Saint Louis. 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 Guaranteed Comfort and Energy?

Guaranteed Comfort and Energy has a rating of 4.6 from 38 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 Guaranteed Comfort and Energy?

Call Guaranteed Comfort and Energy on (618) 623-0533. The business is at 20 Schiber Ct building c, Maryville, IL 62062. Ask for a written estimate before any work starts.

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