Commercial HVAC & Mechanical Services in Des Plaines, IL

We install, service and maintain the mechanical systems that keep commercial buildings and larger homes running in Des Plaines and throughout the Chicagoland area.

Our mechanical division covers the equipment that keeps commercial buildings and larger homes operating: rooftop units, make-up air, boilers and pumps, process piping and the controls that tie them together. For a business, this equipment is infrastructure — when it goes down, the building goes down with it.

Most of our mechanical work is preventive rather than reactive. Scheduled maintenance visits cover belts, bearings, coils, filters, refrigerant, combustion and controls, and each visit produces a written report so building owners and property managers can plan capital work instead of being surprised by it. Customers on agreements get priority scheduling when something does fail.

We also handle equipment installation, replacement and retrofits — swapping out end-of-life rooftop units, upgrading controls on an existing system, or extending mechanical capacity when a space changes use. Because our plumbing and HVAC crews are in-house, a project that touches piping, gas, venting and equipment stays with one contractor rather than being split across several.

Tell us what the system is doing when you call — that decides which truck and which parts head to your address.

Buying or managing a property?

Our complete plumbing, gas-line and HVAC inspection checks accessible systems above ground and can include an underground sewer-camera inspection. We inspect accessible furnaces inside and outside, heat exchangers, boilers, water heaters, air-conditioning equipment and outdoor condensers; document equipment age and maintenance condition where determinable; review applicable plumbing-code concerns; and identify visible or verifiable water-service material. You receive a clear report with pictures, condition notes, priorities and practical next steps before you buy, budget or approve major work.

Request a mechanical systems inspection for your commercial property.

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Commercial Systems

  • Commercial mechanical systems
  • Rooftop units
  • Commercial heating and cooling

Residential Systems

  • Residential mechanical systems
  • HVAC equipment

Equipment

  • Equipment installation
  • Equipment repair
  • System retrofits

Preventive Maintenance

  • Preventive maintenance
  • Service agreements
  • Priority scheduling

Building calls we schedule first

For property managers, restaurants, offices and retail spaces, downtime costs more than the repair. Tell us the equipment and what it is doing and we bring the right technician.

Rooftop unit down / no cooling in the space

Diagnosis and repair on packaged rooftop equipment, including compressors, economizers, controls and belts.

Commercial no heat

Unit heaters, rooftop heat sections and commercial boilers, with attention to shutting down as little of the building as possible.

Backed-up commercial drains and grease lines

Rodding and maintenance scheduled around service hours for kitchens, salons and multi-tenant buildings.

Equipment replacement and planning

When a unit is at end of life we plan the change-out around your operating hours and budget cycle.

Qualifying installations may include our lifetime product, labor and parts warranty program; terms and eligibility apply.

Commercial HVAC for buildings and businesses

Mechanical work is the equipment layer of a building: the rooftop units, boilers, pumps, air handlers, exhaust and make-up air that keep a space usable. When that equipment goes down, the business goes down with it, so the priority is a fast, accurate diagnosis and a realistic plan rather than a parts-swapping exercise.

We service and install commercial heating and cooling equipment throughout Des Plaines and the Chicagoland area for offices, retail, restaurants, warehouses, light manufacturing and multi-unit residential buildings.

For property managers and facility teams

If you are responsible for several buildings, the value is in predictability and paperwork. We document what was inspected, what was repaired and what we expect to need attention next, so you have something to show an owner or a board when you request a capital expense.

Visits can be consolidated across properties to keep scheduling and invoicing simple, and we are comfortable coordinating access with tenants and on-site staff.

Rooftop units, boilers and pumps

Rooftop packaged units carry most of the load in commercial buildings around here, and they fail in familiar ways: compressors and capacitors, economizer linkages, belts and bearings, condenser coils packed with cottonwood, and controls that were never commissioned properly. Boilers, circulators and pumps in older buildings need their own attention — low-water cutoffs, expansion tanks, zone valves and seals.

We repair what should be repaired and replace what has reached the end of its service life, with equipment sized for the load the building actually has today rather than what it had when the original unit went in.

Equipment planning and replacement budgeting

The least expensive equipment replacement is the one you plan. We can inventory what is installed, note approximate age and condition, and give you a straightforward sense of what is likely to need replacement in the next few years so it can be budgeted rather than absorbed as an emergency.

For renovations, build-outs and changes of use, we help work out what the space will need before the drawings are final — capacity, venting, gas and electrical service, and where the equipment can practically go.

Preventive maintenance and service agreements

A maintenance agreement puts filter changes, coil cleaning, belt and bearing checks, refrigerant verification, combustion checks and control calibration on a schedule. Agreement customers also get priority scheduling, which matters most on the first hot day of summer and the first hard freeze of winter, when everyone calls at once.

Where the work allows, maintenance and larger repairs are scheduled after hours or on weekends so your operation is not interrupted.

Larger residential mechanical systems

Bigger homes often carry commercial-grade complexity: multiple furnaces or air handlers, several zones, boilers for radiant floors, secondary water heaters and recirculation loops. The same crews that service commercial equipment handle these systems, and the same maintenance logic applies — a documented schedule beats waiting for the failure.

Mechanical service across Des Plaines and Chicagoland

We are based at 2093 Rand Rd in Des Plaines and cover Cook and DuPage county communities from there. See every community we cover on our service areas page, or start with one of these:

We also handle plumbing, heating and cooling, and offer energy savings consulting for homeowners and businesses looking at their gas and electric usage.

Common mechanical questions

What does a preventive maintenance agreement include?

Scheduled visits covering inspection, cleaning, filters, belts, refrigerant and controls, plus a written condition report and priority scheduling if a breakdown happens between visits.

Do you service rooftop units?

Yes. Rooftop unit repair, maintenance and replacement is a core part of our commercial mechanical work throughout the Chicagoland area.

Can you work around our business hours?

In most cases, yes. Larger commercial work is often scheduled after hours or on weekends so the disruption to your operation is as small as possible.

Do you handle residential mechanical systems too?

We do. Larger homes with multiple zones, boilers, pumps or complex ventilation are handled by the same crews that service commercial equipment.

Do you offer maintenance agreements for commercial buildings?

Yes. We build a schedule around your equipment and operating hours, document each visit, and give agreement customers priority scheduling during peak heating and cooling demand.

Can you help plan equipment replacement in advance?

We can inventory what is installed, note age and condition, and give you a realistic sense of what will need replacing over the next few years so it can be budgeted instead of handled as an emergency.

Guides related to mechanical

Written by our technicians for homeowners and building owners in Des Plaines, Chicago and the surrounding suburbs.

Browse every article on our plumbing and HVAC guides page.

Schedule Mechanical Service

Serving Des Plaines and surrounding Chicagoland communities. Call 847-550-3322 or, in Chicago, 773-250-6060.

Curious how to lower your gas and electric bills? Ask about our Energy Savings Consulting.

Qualifying installations may include our lifetime product, labor and parts warranty program; terms and eligibility apply.