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Claim This BusinessHiller Plumbing, Heating, Cooling & Electrical has served Madison and the greater Huntsville area since 2004, operating as a fully licensed contractor across plumbing, HVAC, and electrical trades. With 3,313 verified reviews yielding a 4.9-star average, the company has built one of the strongest reputations in North Alabama. Their service area extends beyond Madison to include Huntsville, Athens, and communities throughout Madison County, with additional coverage across Tennessee, Kentucky, and Florida. The company operates 24 hours a day, 365 days a year, ensuring emergency calls receive immediate attention regardless of when problems arise.
What distinguishes Hiller from regional competitors is their commitment to transparent pricing and manufacturer partnerships with leading brands. Their financing options start at $99 per month for HVAC system replacements and $129 per month for whole-home generators, making major equipment upgrades accessible to more homeowners. The company offers a Happy You'll Be Guarantee, promising customer satisfaction on every job. Their service menu includes specialized offerings such as trenchless pipe repair for plumbing emergencies, ductless mini-split installations for zoned climate control, and whole-house surge protection for electrical safety. Current promotions include $500 off tankless water heater installations and $50 discounts on repairs exceeding $200 across all three trades.
Reviewers consistently highlight specific technicians who delivered exceptional service. JR and his team replaced a 40-year-old HVAC ductwork system in a crawl space, completing the six-hour job while explaining every detail to the homeowners. When a reviewer called at 9pm during a heat wave, Sloan arrived the next day within the promised time window and resolved the AC issues efficiently. Robert Mertz performed a heat wellness check and was noted for professionalism and punctuality. Clark troubleshoot problems during a Google Nest camera installation, working until the job was complete. Multiple reviewers specifically mention the company's arrival time tracking system, which sends notifications when technicians are en route, eliminating the uncertainty typical with service calls.
The company holds a 4.9-star rating across 3,313 reviews, with every sampled reviewer awarding 5 stars. Customers frequently mention same-day emergency response, with one reviewer calling at 9pm and receiving next-day service during a heat wave. Technicians named in reviews include JR, Sloan, Robert Mertz, Clark, Roy, and Jamar, each praised for professionalism and thorough explanations.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Drain cleaning, pipe upgrades, fixture installations, toilet replacements, sewer and water line repairs, and trenchless pipe repair for underground issues.
Traditional and tankless water heater installation, with current promotion of $500 off tankless units.
Complete heating and cooling system replacements starting at $99 per month, including ductless mini-split options for zoned heating and cooling.
Air conditioning repair, heating repair, and indoor air quality solutions including whole-house dehumidifiers and smart thermostat installations.
Circuit breaker panel upgrades, electrical panel replacement, and comprehensive wiring services for older homes.
Whole-home generator installation starting at $129 per month, plus a generator maintenance program to ensure reliability during outages.
Whole-house surge protection systems to safeguard electronics and appliances from power spikes common in the region.