Hiller Plumbing, Heating, Cooling & Electrical

Hiller Plumbing, Heating, Cooling & Electrical has anchored its operations in Knoxville for more than two decades, building a service empire that now stretches across Tennessee, Alabama, Kentucky and Florida. The company holds all required state contractor licenses and maintains an A+ credential with the Better Business Bureau. With 5,257 verified client reviews generating a near-perfect 4.9-star average, Hiller fields more than 100 dispatchable technicians to handle residential emergencies around the clock, every day of the year. The Knoxville hub serves not only the downtown core but also surrounding communities in Knox County and the greater Smoky Mountain region.

What separates Hiller from regional competitors is an unusual three-trade depth that allows a single dispatch to diagnose plumbing, HVAC and electrical faults in one visit. The company operates as a Lennox dealer and installs Mitsubishi variable-speed heat pump systems, alongside their signature REME HALO whole-home air purification units that target allergens and pathogens. Homeowners can access financing as low as $99 per month for system replacements, and the Hiller Club membership unlocks priority scheduling, annual maintenance discounts and a labor warranty that extends two years beyond standard industry practice. Their "Happy You'll Be Guarantee" explicitly commits to redo any repair that fails to meet homeowner expectations at no additional charge.

Client testimonials consistently single out individual technicians for problem-solving agility that transcends simple part-swapping. Reviewer Bob Ferrand described Ron arriving on time, then walking through water heater and disposal options with balanced pros and cons explanations before executing the install. The Sherles family credited Alex and Andrew for tackling a complex main water line replacement from street to foundation, while Caroline Sullivan highlighted Dustin Williams completing a full HVAC system and ductwork swap within two days during winter. Technician Brandon earned praise for confident whole-home re-piping from reviewer Gregg Price, noting the crew maintained the estimator's professionalism throughout the project.