Action Mechanical Services
Action Mechanical Services is a HVAC provider serving O Fallon, IL. Rated 4.5★ with 221 Google reviews. See services, review signals, and request a quote.
HVACO Fallon, IL
On this page
Company overview
- TradeHVAC
- Service areaO Fallon, IL
- Google rating4.5★ (221 reviews)
- Phone(618) 476-7750
- Address700 Old Collinsville Rd, O'Fallon, IL 62269, USA
Services offered
- installation
- repair
- emergency
Photos
Photos from Action Mechanical Services, Taleasha Oleko, Jordan Martin
What customers say
“We had a great experience with Action Mechanical Services. Nick came out to check our water heater and was extremely knowledgeable and professional. He took the time to explain everything clearly and …”
“Josh from Action Mechanical Services came out to our residence on January 09, 2026 to fix a couple faucets for us. Josh was prompt, courteous, and very professional. We have been monitoring the work f…”
“This is the second thing I have had them fix. I highly recommend them. Jeremy did a great job on the first time & this time. He knows his stuff. This time he had a partner to help him, Josh. Definitel…”
“For the review The Action Mechanical Services team was fantastic, couldn't be happier with the service. They arrived on time, were incredibly professional, and their workmanship was top-notch. They t…”
Key highlights
Strengths
- Highly rated (4.5★ average)
- Large review volume (221 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 Action Mechanical Services offer?
Action Mechanical Services provides: installation, repair, emergency. They serve residential and commercial customers in O Fallon, IL.
What is Action Mechanical Services's rating?
Action Mechanical Services has a 4.5 out of 5 star rating based on 221 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 Action Mechanical Services 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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