Keeping Chicagoland comfortable since 1978.
Comfort Indoor Solutions has answered Bensenville and Chicago's suburbs for nearly five decades — heating, cooling, and indoor air quality for homeowners and businesses, from technicians who average more than 15 years with the company. Honest pricing, no hidden fees, and a truck when you need one. Now backed by FirstCall Mechanical.
Residential. Commercial. Around the clock.
From the furnace in a Bensenville bungalow to the rooftop units over an O'Hare-corridor warehouse — Comfort Indoor Solutions brings nearly five decades of Chicagoland know-how with the depth of a national platform behind it.
Residential HVAC
Furnaces, air conditioners, heat pumps, mini-splits, and the indoor air quality gear a Chicago winter demands — service, repair, and replacement for homeowners across the western and northwest suburbs. Financing available.
Commercial HVAC
Rooftop units, boilers, split systems, and ventilation for offices, restaurants, retail, and the warehouses of the O'Hare corridor — service and installation from a team that answers.
Planned Maintenance
Scheduled service agreements that catch small problems before they shut you down — predictable visits, clear reporting, and priority dispatch when something does go wrong.
Emergency Services
24/7 emergency response. When the furnace quits at five below or the AC dies in a July heat wave, we answer — and we roll fast.
Project Support
Equipment changeouts, retrofits, and upgrades — designed, installed, commissioned, and serviced by the same local team, with utility rebates and tax credits handled.
Nearly five decades of keeping Chicagoland comfortable.
Comfort Indoor Solutions opened its doors in 1978 and has been earning Bensenville's trust the slow way ever since: straight answers, transparent pricing with no hidden fees, and work we stand behind. Our technicians average more than 15 years with the company — so when you call, you get someone who has probably seen your system before.
That's how a local shop lasts almost fifty years in a market this competitive — and it's why the businesses and homeowners who found us in the '80s and '90s still call the same number today.
Read our storyEquipment we service every day.
A representative list of the systems our team works with — homes and multifamily, offices, restaurants and retail, and the warehouses and light industrial buildings of Chicago's western suburbs.
- Air Conditioners — Residential & Commercial
- Air Handlers & Fan Coils
- Boilers & Hydronic Heating
- Ductless Mini-Split Systems
- Energy Recovery & Ventilation
- Gas & Electric Furnaces
- Heat Pumps — Cold-Climate & Standard
- Humidifiers & Dehumidifiers
- Indoor Air Quality & UV Purification
- Make-Up Air Units
- Packaged Rooftop Units (RTUs)
- Smart Thermostats & Controls
- Split Systems — Residential & Commercial
- Unit Heaters & Garage Heating
Built for the buildings that keep Chicagoland running.
From storefronts and offices in the western suburbs to the warehouses and light industrial buildings that work the O'Hare corridor — if a building keeps Chicagoland running, odds are we can keep its air moving.
Nearly five decades in Chicagoland. National platform.
Comfort Indoor Solutions, Inc. has served Bensenville and Chicago's suburbs since 1978. Today we're part of FirstCall Mechanical — a network of leading regional commercial service companies. That means the local team and reputation you've trusted for decades, with access to the engineering depth, parts pipeline, and on-call surge capacity of a national platform. Local stays local. The national platform multiplies what we can do.
Learn about FirstCall MechanicalJoin the Comfort Indoor Solutions team.
We're hiring in Bensenville — residential and commercial HVAC technicians, installers, and helpers. If you want to do real work for real customers, on a team where techs stay 15 years and counting, we want to talk.
At Comfort Indoor Solutions, your comfort is our business.
Tell us about your home or facility and we'll get back to you within one business day. For emergencies, call us — we're on call 24/7 at (630) 534-2686.