Maintenance Unlimited Heating & Cooling

Founded in 2001 by Sean McKinney, Maintenance Unlimited Heating & Cooling has spent over two decades building a trusted reputation across College Park, Atlanta, East Cobb, and the surrounding metro area. With 91 verified reviews earning a near-perfect 4.9-star rating, the company has become a go-to resource for homeowners seeking reliable heating and cooling solutions. The business operates Monday through Friday from 7 AM to 7 PM, with Saturday and Sunday hours from 8 AM to 5 PM, and offers 24/7 customer service for urgent issues.

What distinguishes this contractor is their commitment to transparent, straightforward service paired with quality equipment partnerships. They are an authorized dealer offering Amana systems with a Lifetime Replacement Warranty on 16 SEER and above units. Rather than pushing unnecessary repairs or upgrades, their technicians provide honest recommendations focused on what each system actually needs. The company handles everything from routine maintenance to full system replacements, serving residential, commercial, and new construction clients across their territory.

Customer reviews reveal a pattern of personalized care that homeowners consistently praise. When Eric Chandler's children kept getting sick, Sean McKinney diagnosed filthy air ducts and replaced the entire system, treating the home as if it were his own. During a wintery mix storm, Sean came to Jerhvon Pearman's home to keep the family warm. Emily Khalid recalls Sean arriving on a Sunday to repair her AC, noting she's trusted the company for over a decade. Several reviewers emphasize that Sean and his team arrive on time, respect the home, and explain work before proceeding.