Mon Heating & Air Conditioning LLC

Mon Heating & Air Conditioning LLC operates as a licensed HVAC contractor serving Lilburn, Georgia and surrounding Gwinnett County communities with a perfect 5-star rating drawn from 119 client reviews. The team maintains extended service hours six days per week, responding to calls from 9 AM to 7 PM on weekdays and Saturday, providing accessibility that accommodates working households throughout the region. Owner Mon leads a crew of credentialed technicians who handle residential heating and cooling needs, from routine maintenance to complete system replacements.

Customer feedback consistently highlights competitive pricing as a distinguishing factor, with multiple reviewers noting quotes substantially below major competitors. The company emphasizes transparent cost communication, with the owner providing upfront pricing without hidden fees. Service responses earn praise for speed and clarity, with technicians arriving when promised and explaining diagnostic findings in accessible language rather than industry jargon.

Reviewers describe specific positive scenarios including same-day emergency response during extreme weather. Customer Corey R. Johnson reported a heating system failure resolved quickly with thorough explanation of the root cause. Another reviewer, Santosh Manger, noted immediate response to a service request with prompt problem diagnosis and reasonable pricing. The team handled furnace replacements and heat pump installations, with customers reporting improved heating performance and satisfaction with both the work quality and cost.