Allegiance Heating & Cooling

$1.6M revenue • 8 employees • 8027 W 189th St, Mokena, IL, 60448, United States

Last Updated May 31, 2026

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Company Overview

Company Name

Allegiance Heating & Cooling

Address

8027 W 189th St, Mokena, IL, 60448, United States

Approx. Annual Revenue

$1.6M

Employees

8

Established

2011

Google Reviews

4.9 (539 reviews)

Google Business Category

HVAC contractor

About Allegiance Heating & Cooling

Allegiance Heating & Cooling is an HVAC contractor located in Mokena, IL, providing comprehensive heating, cooling, and indoor air quality services to the surrounding areas. The company is known for its commitment to customer satisfaction, delivering high-quality work and building lasting relationships with its clientele.

Business Profile

Read from the Allegiance Heating & Cooling website on Oct 13, 2026. Hover an item to see the exact wording it came from.

How Allegiance Heating & Cooling works

Licenses, certifications & awards

Brands carried or installed

Ownership (as declared by the business)

About the website

Website quality (AI-assessed)
8/10 · Current copyright 2026; Complete service and contact info
Footer copyright year
2026

Recent changes

What changed on the Allegiance Heating & Cooling website and Google listing, as detected by Coldlytics on each visit.

  1. Google reviews went from 535 to 539

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Frequently Asked Questions about Allegiance Heating & Cooling

Categories

Technologies Used

Social Profiles

Key Decision Makers

Ronald Gravitt Owner
Natalie Gravitt President
Eric Hocking Owner
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