MMI Home Improvement
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About MMI Home Improvement
MMI Home Improvement operates as a family-owned air duct cleaning service based in Cumming, Georgia, holding a 4.8-star rating across 207 client reviews. The company provides 24-hour service coverage throughout the week, ensuring homeowners can request assistance whenever need arises. Their service area encompasses Cumming alongside the broader Atlanta metropolitan region, delivering both residential and commercial air duct solutions. As an insured contractor, they offer flat-rate pricing with no hidden fees, establishing transparent financial expectations for every project they undertake.
What distinguishes this contractor is their multifaceted service portfolio spanning air duct work, mold remediation, and general handyman services under a single roof. Their website references specialized offerings including dry fogging disinfection, mold air duct cleaning, and in-house sanitizing treatments that address indoor air quality concerns. The company maintains over 800 five-star reviews on Google, reflecting consistent client satisfaction. They also provide handyman services covering electrical installation, plumbing, and carpentry, positioning them as a versatile option for homeowners seeking multiple trade services from one provider.
Reviewers consistently highlight specific technicians who delivered exceptional service. Kiera Baker praised Mark for quickly diagnosing and correcting an improperly installed kink in her return air flow system, noting the dramatic improvement in her upstairs room's comfort. Another reviewer, Mary, described how Mark and his crew identified a significant duct system problem involving air leaks and mold growth, successfully saving her supply box from replacement by properly sealing connections. Katrina H recounted that Gaston and Sam transformed her severely dirty air ducts and AC unit to spotless condition, documenting the before-and-after results with photographs. Areli Martinez appreciated Mark's ability to restore a blower motor clogged by improper tenant filter use, calling the work extraordinary.
What Customers Say
207 reviewers collectively award MMI Home Improvement a 4.8 average rating, with every extracted review awarding 5 stars. Multiple reviewers specifically mention technicians Mark, Ace, Gaston, and Sam by name, linking skilled individual technicians to the company's strong reputation. Customers consistently praise diagnostic accuracy and thoroughness over simple cleaning services.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| TuesdayToday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Air Duct Cleaning
Comprehensive removal of accumulated dust, debris, and contaminants from entire ductwork systems using professional equipment.
Air Duct Installation & Replacement
New ductwork installation and replacement of damaged or aging duct sections to restore proper airflow distribution.
Air Duct Repair
Repair of leaks, kinks, and connection failures that compromise system efficiency and indoor air quality.
Air Duct Sanitizing & Dry Fogging Disinfection
Treatment process targeting microbial growth and airborne pathogens within ductwork using fogging technology.
Mold Remediation
Specialized removal and treatment of mold growth in duct systems and associated HVAC components.
Commercial Air Duct Cleaning
Large-scale duct cleaning services for commercial buildings and multi-unit properties.
Handyman Services
General home repair including carpentry, furniture assembly, and minor electrical or plumbing tasks.