Killman Heating & Air

Killman Heating & Air has anchored itself in Lexington since 1999 as a family-owned HVAC contractor guided by Christian values. The company holds a perfect 5.0-star rating from 944 reviews, with NATE-certified technicians available 24 hours a day, seven days a week for emergency calls. Serving Lexington, Columbia, Gilbert, Leesville, Chapin, Irmo, and West Columbia, the contractor handles everything from residential AC repairs to light commercial installations, making it a one-call solution for homeowners across the Midlands.

What distinguishes Killman Heating & Air from otherarea contractors is their status as a Trane Comfort Specialist, which means direct access to one of the industry's most respected equipment lines alongside manufacturer-backed warranties. Their technicians carry NATE certification, ensuring standardized expertise across all makes and models. Beyond traditional systems, they install ductless mini-splits for historic homes and additions, and they offer whole-home air quality solutions including purifiers, dehumidifiers, and ventilators, addressing South Carolina's humidity challenges head-on.

Reviewers consistently mention specific technicians by name. Anthony Leamon described a technician who wore shoe covers, communicated clearly with both her and her husband during an emergency AC repair, and demonstrated strong system knowledge. Tyson Hass praised Adam and Hudson for taking time to answer every question and showing evident pride in the family business. Karla B. highlighted Andy, who spent extended time discussing options with her husband, delivered a competitive bid, and completed a full AC and gas furnace installation in just two business days.