Allegiance Heating & Cooling
Allegiance Heating & Cooling is a HVAC provider serving Orland Park, IL. Rated 4.9★ with 465 Google reviews. See services, review signals, and request a quote.
HVACOrland Park, IL
On this page
Company overview
- TradeHVAC
- Service areaOrland Park, IL
- Google rating4.9★ (465 reviews)
- Phone(815) 627-1003
- Address8027 189th St, Mokena, IL 60448, USA
Photos
Photos from Allegiance Heating & Cooling
What customers say
“Riley, Jack, and Joey, John (and the new young man), were punctual, professional and very mannerly. They cleaned my duct work and dryer vent and installed my new furnace and ac. They take pride in th…”
“We had a great experience with Allegiance heating and cooling from start to finish. They were professional, punctual, and clearly knowledgeable about their work. The technician explained everything c…”
“From start to finish service was great. Put in service call on a Sunday and had a repair man at my house in less than 24hrs. Repairs took less than 20 min. And heat was back on. Friendly, efficient st…”
“This review is quite a bit late I apologize for that. Riley the technician and John were an outstanding team. First of all they were very prompt. They first cleaned the duct system. They cleaned up af…”
“Called Allegiance due to no heat . Riley came right out , fixed the issue and also gave me some useful tips, which I appreciated. He was exceptionally nice , very professional and knowledgeable. It wa…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (465 reviews)
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
Frequently Asked Questions
What services does Allegiance Heating & Cooling offer?
Allegiance Heating & Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Orland Park, IL.
What is Allegiance Heating & Cooling's rating?
Allegiance Heating & Cooling has a 4.9 out of 5 star rating based on 465 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 Allegiance Heating & Cooling 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
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