ACS Service LLC
ACS Service LLC is a HVAC provider serving Hammond, IN. Rated 4.8★ with 17 Google reviews. See services, review signals, and request a quote.
HVACHammond, IN
On this page
Company overview
- TradeHVAC
- Service areaHammond, IN
- Google rating4.8★ (17 reviews)
- Phone(219) 208-5450
- AddressHammond, IN 46324, USA
What customers say
“5 STARS! ... PROBLEM RESOLVED! Albert was THE first HVAC technician to fix my realtively new Amana furnance. My furnance failed as temps dropped below freezing as the temperature in my house fell to 5…”
“We had an old heater that was putting out dangerous levels of carbon monoxide outside. Al not only put in the new heater but he also checked out our water heater and air conditioning vents. We are saf…”
“The service was excellent. The technician was very knowledgeable and explain every process. They're very courteous and respectful in my home. They listen to all our concerns and made recommendations t…”
“Worked on my furnace until the problem was solved. Did excellent work and had no problems afterwards. Highly recommend!”
“I called with an emergency at 8:00 pm on a Saturday. The add says 24/7 service, I called and asked them to come out, I’m elderly with a small baby that had openheart surgery and is at risk of needing …”
Key highlights
Strengths
- Highly rated (4.8★ 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
Frequently Asked Questions
What services does ACS Service LLC offer?
ACS Service LLC provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Hammond, IN.
What is ACS Service LLC's rating?
ACS Service LLC has a 4.8 out of 5 star rating based on 17 Google reviews.
Is this company licensed in Indiana?
All listed providers have a verified Indiana contractor license at time of publication. You can verify on the Indiana Professional Licensing Agency / local municipal licensing (no statewide HVAC license) lookup at https://mylicense.in.gov/everification/Search.aspx.
Does ACS Service LLC 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 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Indiana Professional Licensing Agency / local municipal licensing (no statewide HVAC license) · Company data: verified business records + Google Business profile
See our editorial standardsReport inaccurate info about ACS Service LLC
Request a quote from ACS Service LLC
Enter your ZIP and we will line up a free estimate alongside other top local pros.