ACS Service LLC

About

ACS Service LLC is your trusted Hammond, Indiana HVAC repair partner, specializing in emergency repairs, air conditioning and furnace service, heat pumps, thermostat installations, and preventive maintenance to keep your home comfortable year-round. From diagnostics to duct sealing and refrigerant recharge, our licensed technicians deliver reliable, up-front pricing and durable results. With a 4.8/5 rating from 16 reviews, we stand out for fast response, clean and courteous workmanship, and honest recommendations—no upsell, just what your system truly needs. We focus on energy-efficient solutions that fit your budget and lifestyle, backed by a workmanship guarantee and dedicated customer care you can rely on.