Stay Frosty with Mannix Heating & Cooling

Ever woken up a human popsicle because your heater decided to retire at 2 a.m? Give a shout out to Mannix Heating & Cooling, your friendly neighborhood HVAC superheroes in Gaithersburg, MD, Leesburg, VA, Potomac, MD, Sterling, VA, Chantilly, VA & Rockville, MD.

Our Furnace Repair Playbook

Summon us for an urgent furnace repair, and we’ll swing by faster than you can say “Winter is coming.” We’ll meticulously diagnose the issue, applying a precise remedy that’ll make your heating system roar back to life! Whether it’s a heating installation or a furnace replacement, we’re the crack team your furnace never knew it needed.

Attending to your heating system repair needs is our middle name, but don’t forget; we also laugh in the face of a perspiration-drenched summer’s day. AC maintenance? It’s just another item we knock out of the park.

Hot or Cold, We’ve Got the Gold

So don’t become an unwilling participant in ‘Frostbite: The Home Edition,’ or a contestant in ‘Who Can Fry an Egg on Their Forehead: Summer Spectacular!’ Call Mannix Heating & Cooling today, and we’ll keep your indoor climate just right, every season.