Heating & CoolingDone Right
Leon's Heating and Cooling LLC keeps homes across the Chicago suburbs comfortable year-round — honest repairs, quality installations, and 24/7 emergency service you can count on.
Complete HVAC
Services
From a frozen AC coil to a new high-efficiency furnace, we handle every part of your home comfort system.
Comfort You Can Count On
We built this company on straightforward pricing, dependable work, and treating every home like it's our own.
Certified Experience
Years of hands-on field experience providing residential heating and cooling solutions you can count on.
Honest, Upfront Pricing
You approve the price before any work begins — no surprises, no pressure, no upselling.
Fast, Reliable Response
Same-day appointments and 24/7 emergency service when your comfort can't wait.
Workmanship You Can Trust
Quality parts and careful installation backed by a commitment to doing the job right.
Simple, From Start to Finish
No mystery, no runaround. Here's exactly what to expect when you call Leon's.
Call or Book
Tell us what's going on. We'll schedule a visit at a time that works for you — often the same day for emergencies.
Diagnose & Quote
Our technician inspects your system, finds the real problem, and gives you a clear, upfront price before any work starts.
Repair or Install
We get to work with quality parts and careful craftsmanship, respecting your home and cleaning up as we go.
Quality Check
We test everything, walk you through the work, and make sure your system is running right before we leave.
Serving Hanover Park & Beyond
Based in Hanover Park and proudly serving homeowners across the western and northwest Chicago suburbs.
Aiming For Your Five-Star Experience
We're a local, owner-operated company built on passion and one simple goal: earn your five-star experience on every single call. We're not perfect — but we show up, do honest work, and stand behind it.
Honest, Upfront Pricing
You see the price and approve it before any work starts. No surprises, no upselling, no pressure — ever.
We Show Up
On-time appointments, responsive communication, and 24/7 emergency service when your comfort can't wait.
Treated Like Our Own
Your home gets the same care and respect we'd give our own — clean workspaces, clear answers, lasting results.
Need Heat or AC Today?
Call now for fast, friendly service or book online. We'll get your home comfortable again.