MR. HVAC Heating and Cooling - Kennesaw

MR. HVAC Heating and Cooling delivers full-cycle climate control services across Cobb County and northern Georgia from its Kennesaw hub. The contractor operates around the clock, every day of the week, handling both residential furnace work and commercial system installations. With a perfect 5-star rating drawn from 28 verified customer reviews, the company has built its reputation on transparent diagnostics and straightforward recommendations, customers consistently note that technicians explain exactly what is needed without proposing unnecessary upgrades. Service areas include Kennesaw, Marietta, Smyrna, Acworth, Woodstock, Canton, Cartersville, Dunwoody and surrounding communities.

What distinguishes this contractor from regional competitors is a commitment to rapid response paired with meticulous workmanship. The team handles emergency repairs including Freon recharges and ductless mini-split installations, while also managing larger projects such as complete AC system replacements and heat pump setups. Multiple reviewers specifically praised the crew's efficiency and the condition of the job site upon completion, not a wire or refrigerant line left out of place. The company provides 24-hour service, meaning a heating failure at midnight receives the same attention as a routine tune-up scheduled for Tuesday.

Customer narratives from the reviews reveal the on-the-ground experience. Nadine R. described working with Chris, who arrived promptly to assess her AC system and provided an honest evaluation without attempting upsells, the installation crew then completed the work in a single day with thorough cleanup. Roland Rollins reported that his furnace heat strips were diagnosed and replaced the following day, with pricing discussed upfront. Tami Larson received a callback within 20 minutes when she reported a morning heating issue; the technician was dispatched the same day. Juan Reyes, a commercial property manager, noted the team minimized operational disruption while completing a unit replacement faster than projected.