Our Story
About 312 Climate Control
Trusted HVAC experts serving Chicago, Rockford, and surrounding Illinois communities.
Who We Are
312 Climate Control is an Illinois-based HVAC company dedicated to keeping homes and businesses comfortable year-round across Chicago and Rockford. Founded and led by Mario, our team brings years of hands-on experience to every job — from emergency furnace repairs in the dead of winter to routine AC tune-ups before the summer heat arrives.
We serve homeowners, renters, and property managers across Chicago, Rockford, Naperville, Evanston, Schaumburg, and the greater Chicagoland area. Whether you're dealing with a system breakdown or simply want to stay ahead of costly repairs, we're the team you can count on.
What We Do
Our services cover the full spectrum of heating and cooling needs — furnace repair and replacement, air conditioning service, seasonal tune-ups, system diagnostics, and preventive maintenance plans. We believe in honest, transparent pricing and always explain your options without pushing unnecessary work.
Our Promise
Every customer deserves the same level of care and respect — whether it's a quick tune-up or a full system replacement. Mario is known for being patient, kind, and genuinely invested in the wellbeing of his clients. That's not just a value we talk about; it's how we show up to every job, every day.