Skip to main content
Compare HVAC Pro
Browse AreasHow It WorksFAQ
  • Browse Areas
  • How It Works
  • FAQ

Compare HVAC Pro

Local market research for homeowners. We help you evaluate licensed providers, understand pricing, and request quotes without pressure. Sponsored and featured listings are clearly labeled.

Popular Markets

  • HVAC near me
  • Washington state
  • Oregon state
  • Seattle, WA
  • Portland, OR
  • Spokane, WA
  • Tacoma, WA
  • Salem, OR

Research

  • How it works
  • Service categories
  • Financing
  • Cost calculator
  • State of HVAC 2026
  • FAQ

Guides

  • How to Read an HVAC Quote
  • Heat Pump vs Furnace
  • The 2025 Federal HVAC Tax Credits
  • HVAC Financing 101
  • Seasonal HVAC Maintenance Checklist
  • HVAC Not Cooling? 7 Things to Check Before Calling
  • Sizing an HVAC System Correctly
  • How to Spot HVAC Scams
AboutEditorial PolicyContributorsMethodologyContactCorrectionsPrivacy PolicyTerms of ServiceSMS TermsCookie PolicyAffiliate DisclosureDo Not Sell My Info
© 2026 Compare HVAC Pro. All rights reserved.comparehvacpro.com

We use cookies for analytics to understand how the site is used. No ads. No data sold. Details.

  1. Home
  2. Collinsville, IL
  3. Guaranteed Comfort and Energy

Guaranteed Comfort and Energy

Guaranteed Comfort and Energy is a HVAC provider serving Collinsville, IL. Rated 4.6★ with 38 Google reviews. See services, review signals, and request a quote.

4.6★ (38 reviews)HVACCollinsville, IL
On this page▾
  1. 1.Company overview
  2. 2.Photos
  3. 3.What customers say
  4. 4.Key highlights
  5. 5.Explore nearby research
  6. 6.Frequently asked questions

Company overview

  • TradeHVAC
  • Service areaCollinsville, IL
  • Google rating4.6★ (38 reviews)
  • Phone(618) 623-0533
  • Address20 Schiber Ct building c, Maryville, IL 62062, USA

Photos

  • Guaranteed Comfort and Energy photo 1
  • Guaranteed Comfort and Energy photo 2

Photos from Jim Fleming

What customers say

★★★★★

“My husband and I are so pleased with the great service we received from Jim, the owner of Guaranteed Comfort and his employees. With colder weather approaching, we were grateful that Jim found the is…”

— Gretchen Hund, 12 years ago
★★★★★

“Jim and Chris were great to work with. Super knowledgeable and efficient. They replaced my furnace and outdoor unit and were very professional. Brittany was always pleasant to speak with on the pho…”

— Bob Ploof, 7 years ago
★★★★★

“Guaranteed Comfort did a great job fixing our air conditioning during the hottest part of August. The repairman had to work in the 160 degree attic all day but still got the job done right in a short…”

— Krista Wilds, 9 years ago
★★★★★

“We had Guaranteed Comfort out last winter to repair our furnace. We were pleased w/ the work & price of repair and purchased a maintenance package. Brian & Jim (the Owner) did the furnace work. Today,…”

— Jeffrey Myers, 9 years ago

Key highlights

Strengths

  • Highly rated (4.6★ average)

Things to ask

  • Confirm availability for your area and timeline
  • Ask about warranty terms on parts and labor
  • Request a written estimate before work begins
  • Ask about payment plans or financing

Explore nearby research

  • Collinsville, IL HVAC pros
  • Best HVAC in Collinsville
  • HVAC cost in Collinsville
  • Best HVAC in Chicago, IL
  • Best HVAC in Aurora, IL
  • Best HVAC in Rockford, IL
  • Best HVAC in Joliet, IL

Frequently Asked Questions

  • What services does Guaranteed Comfort and Energy offer?

    Guaranteed Comfort and Energy provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Collinsville, IL.

  • What is Guaranteed Comfort and Energy's rating?

    Guaranteed Comfort and Energy has a 4.6 out of 5 star rating based on 38 Google reviews.

  • Is this company licensed in Illinois?

    All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.

  • Does Guaranteed Comfort and Energy offer emergency service?

    Contact them directly to ask about emergency availability and after-hours service.

  • How do I request a quote?

    Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.

✓ Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.

Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile

See our editorial standards · Report inaccurate info about Guaranteed Comfort and Energy

Request a quote from Guaranteed Comfort and Energy

Enter your ZIP and we will line up a free estimate alongside other top local pros.

Compare HVAC Pros

Own or manage this business? Claim this listing to earn a verified-owner badge.