Assured Quality LLC

Assured Quality Heating & Cooling LLC has served Charlotte and the surrounding region for over two decades, building a reputation on 165 five-star reviews that speak to both technical skill and honest business practices. Based at 3637 N Graham St in Charlotte, the company operates Monday through Friday 7AM to 5PM with Saturday hours until 2PM, providing furnace and air conditioning services across Concord, Cornelius, Davidson, Gastonia, Huntersville, Kannapolis, Mooresville, and surrounding communities. The company holds an A+ rating from the Better Business Bureau and offers free estimates on all replacement and repair work.

What distinguishes this contractor is a commitment to cleanliness and preparation that reviewers repeatedly mention. The team arrives in uniform and wears booties to protect homeowners floors, a practice that has earned consistent compliments. They custom-fabricate protective enclosures for each installation, a technique that keeps ductwork and surrounding areas clean during installation. The company backs new equipment with warranties extending up to 10-12 years, providing long-term protection that many competitors do not match.

Customer reviews name Octavian Rankin and his team for handling scenarios ranging from same-day heat repairs to complete system replacements on units over 13 years old. One reviewer describes how Octavian walked them through the exact problem rather than leaving them guessing, while another notes the team maintained a clean, organized work environment throughout a multi-day installation. A commercial client praised the communication and quick response times, and multiple homeowners mention the technicians explained what was needed and provided fair pricing before beginning work.