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Claim Your Free PageACS Service LLC operates as a heating contractor in Hammond, Indiana, delivering heating system repair, maintenance, and replacement throughout the Calumet Region. The company maintains a 4.8-star rating from 17 verified customer reviews, reflecting consistent service quality across residential calls in Hammond, nearby Lake County communities, and surrounding northwest Indiana neighborhoods. Service hours span 7:00 AM to 7:00 PM daily, providing accessibility for homeowners seeking timely heating assistance.
What distinguishes ACS Service LLC from neighboring contractors is the review accounts mentioning specific repair scenarios. Technicians diagnose and resolve equipment issues including failing A-coil components on aging cooling systems, furnace ignition failures during subfreezing weather, and dangerous carbon monoxide situations requiring complete heating system replacement. The company handles related cooling system tune-ups and water heater assessments during heating repairs, offering integrated environmental control solutions for homes needing multiple system evaluations.
Customer narratives reference specific technician Albert (Al), who resolved a furnace failure that dropped interior temperatures to 56 degrees when other contractors made multiple unsuccessful visits. Albert correctly identified an A-coil problem rather than furnace malfunction, completing repairs in under an hour at a significantly reduced cost compared to another area company's estimate. Another reviewer describes same-day arrival to address carbon monoxide hazards, with the technician extending inspection to water heater and cooling vents. The negative review cites an unreached emergency call on a Saturday evening, representing the sole concerning account among seventeen assessments.
Among 17 reviews, 5 reviewers award 5 stars and specifically name technician Albert (Al), noting his diagnostic skill and 50 years of hands-on experience versus the profile listing. Four of five positive reviews mention either same-day arrival or rapid response, while the lone 1-star review describes an unmet emergency need at 8:00 PM on Saturday.
| Sunday | 7 AM–7 PM |
| Monday | 7 AM–7 PM |
| Tuesday | 7 AM–7 PM |
| Wednesday | 7 AM–7 PM |
| ThursdayToday | 7 AM–7 PM |
| Friday | 7 AM–7 PM |
| Saturday | 7 AM–7 PM |
Troubleshooting furnace ignition failures, heat exchanger issues, and component malfunctions. One reviewer notes 45-minute diagnosis resolving repeated failures.
New furnace and heating system installation. Includes same-day replacement for carbon monoxide hazards and whole-home heating upgrades.
Cooling system repairs including A-coil replacement on aging units, tune-ups, and seasonal readiness checks.
System-wide evaluation including furnace, AC vents, and water heater to address safety concerns like carbon monoxide exposure.
Same-day response for heating failures. Service hours run 7:00 AM to 7:00 PM daily including weekends.