HVAC Service Fast
List
GC

Guaranteed Comfort and Energy

4.6 (38 reviews) via Google · checked Jun 25, 2026 Maryville, Illinois

20 Schiber Ct building c, Maryville, IL 62062, USA

+1 618-623-0533
Get Directions Claim / Update

Guaranteed Comfort and Energy specializes in delivering high-performance Energy Efficient Solutions tailored for homeowners and businesses throughout the region. By prioritizing precision installation and advanced climate control technology, the company helps clients optimize their indoor environments while significantly lowering monthly utility costs. Every project focuses on long-term sustainability and peak system performance.

Rating

4.6★

38 reviews

Local market — Glen Carbon

HVAC pros here

4

Have a website

75%

Cooling demand

1,576

Heating demand

4,583

Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).

Services Offered

Energy Efficient Solutions in Glen Carbon

Service Area

Glen Carbon, Illinois All of Illinois

Location

About Guaranteed Comfort and Energy

The team provides comprehensive HVAC services, including the installation of high-SEER cooling units, high-efficiency furnaces, and smart thermostat integration. Technicians conduct detailed load calculations to ensure that every piece of equipment is perfectly sized for the specific architecture of a building, preventing energy waste and premature system wear. This technical approach guarantees that comfort levels remain consistent throughout the changing seasons.

Serving the community of Glen Carbon, Illinois, the company understands the unique climate challenges faced by local residents. Being an active participant in this area allows for prompt response times and a deeper understanding of regional building codes and efficiency standards. Whether addressing a new installation or a system upgrade, the staff remains dedicated to improving property value and energy conservation for every client.

When comparing local pros to find an HVAC contractor near me, consider verifying credentials and reviewing project portfolios to ensure a high standard of quality. For those looking to streamline their search, HVAC Service Fast offers a reliable directory to help connect with trusted experts who can deliver professional results.

Frequently Asked Questions

What services does Guaranteed Comfort and Energy provide?
Guaranteed Comfort and Energy specializes in Energy Efficient Solutions, including high-efficiency HVAC system installations, furnace upgrades, and smart climate control integration.
What areas does Guaranteed Comfort and Energy serve?
The company provides professional HVAC services to residents and businesses located in Glen Carbon, Illinois.
How should I choose a licensed and insured HVAC contractor in Glen Carbon?
Look for contractors who can provide proof of valid state licensing and active liability insurance, and always verify these documents through local regulatory boards.
What should I check before hiring an HVAC professional?
Before hiring, check for consistent communication, request references from past projects, and ensure the company provides a clear, written estimate for the work required.
What are the common signs that it is time to call an HVAC professional?
You should contact a professional if you notice inconsistent temperatures, unusual noises, rising energy bills, or if your system fails to cycle on or off properly.

Is this your business?

42% complete

5 of 12 profile details are filled in.

Added (5) Missing (7)

Claim it free to add the missing details:

Website Email address Business hours Logo Photos of your work Social profiles License number
Claim this profile — free

Claimed profiles are always indexed, show a “Claimed by owner” badge, and you can update them any time.

Nearby HVAC pros

Closest alternatives, by straight-line distance.

Reviews

This business also has a 4.6★ rating from 38 Google reviews.

No reviews yet. Be the first to review Guaranteed Comfort and Energy.

Write a review

Your rating *
Security code

Reviews are moderated before they appear. Please be honest and respectful.

Is this your business?

Claim this listing to update your details, services and contact info.

Claim / Update

More Energy Efficient Solutions pros in Glen Carbon, Illinois

These local pros also offer the services you’re looking for.

Air Lion

809 Patty Dr

AC Services Heating Services
No ratings yet

Website

See all Energy Efficient Solutions pros in Illinois

HVAC Service Fast is an independent HVAC directory and is not affiliated with this business. Listing details are compiled from publicly available information and may be incomplete or outdated. We do not endorse or guarantee any provider — please verify licensing and insurance directly. See our Disclaimer.