A+ Derr Heating & Cooling

A+ Derr Heating & Cooling has earned a perfect 5.0-star rating across 129 verified reviews in Louisville, Kentucky, establishing itself as a trusted name in residential climate control. Founded with a commitment to honest service and technical precision, the company operates around the clock seven days a week, ensuring that homeowners never face a coolingemergency without support. Serving Louisville and the surrounding metropolitan area, the team specializes in new system installations, emergency repairs, and preventive maintenance for both heating and cooling equipment.

What distinguishes A+ Derr from other contractors is their transparent, educational approach to service. Technicians take time to walk homeowners through each repair option, explaining the reasoning behind recommendations without pressure. Multiple reviews highlight how team members answered questions patiently, walked clients through decision-making processes, and ensured complete understanding before proceeding with work. This communication-first philosophy transforms what could be a stressful home repair into a collaborative experience.

Customers repeatedly describe A+ Derr technicians who arrived on time, communicated clearly, and delivered solutions other contractors could not achieve. When Mike Mcclure serviced one homeowner's AC, he pinpointed a problem that two previous technicians had missed entirely. For another client facing a new furnace and AC installation, the crew integrated drain lines with the existing sump pump system, a level of attention that earned high praise. The crew completed a full installation from 8:30 AM to 2 PM, with the homeowner noting they never felt rushed and all questions were welcomed throughout the process.