Owner Sean McKinney launched Maintenance Unlimited Heating & Cooling in 2001, building a College Park, Georgia-based HVAC firm now backed by more than 25 years of industry experience. The company serves College Park, Atlanta, East Cobb, Decatur, Douglasville, Fayetteville, Peachtree City, Stone Mountain, Tucker, and a broad range of additional communities throughout the Atlanta metro area.
Residential, commercial, and new construction customers can access a comprehensive lineup of services: AC repair, installation, maintenance, and replacement; heating repair, installation, and maintenance for both electric and gas furnaces; heat pump installation and service; mini-split system work; indoor air quality solutions; commercial HVAC for multi-family units; and water heater services. The firm is a featured Amana partner and carries the Amana LifeTime Replacement Warranty on 16 SEER and above systems, a standout warranty offering within the local market.
Maintenance Unlimited operates 24/7 for customer service and offers same-day scheduling, positioning itself for emergency situations as well as planned maintenance visits. The company’s stated approach emphasizes clear explanations, honest recommendations, and no-pressure service, following proper procedures and manufacturer guidelines throughout every job.
The business holds ratings across Google, Yelp, Angie’s List, HomeAdvisor, and the Better Business Bureau. Customer accounts on the website describe on-time technicians, professional workmanship, and reliable follow-through from initial call to completed service. HVAC financing options are available for qualifying customers.
The main office is located at 1561 Virginia Ave, College Park, GA 30337. The company can be reached around the clock at (404) 454-2686. The website also includes a SEER calculator, an HVAC troubleshooter, a terminology guide, and a FAQ section for customer self-education.