Ductless Mini-Split Installation, Repair and Maintenance
Ductless mini-split installation, repair and maintenance for Hillside, IL and nearby communities.
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Choose your next step
What should you do next?
Not sure if you need service now or can wait? Use these signs to choose a practical next step. Talking through what your system is doing does not commit you to an appointment.
See smoke, flames or signs of a fire? Leave the building, stay out and call 911. If there is no fire and it is safe to use the controls, switch the system off and call SquareHVAC.
Emergency service is available 24/7, including Sundays.
Urgent
Call now
For smoke or flames, leave the building, stay out and call 911. Call us for water leaking from equipment, or if the system has stopped and the quick checks below did not help.
Call (708) 673-5633Within a few days
Request service soon
Arrange a visit when rooms are uneven, performance has changed, or the system repeatedly needs attention.
Send a service requestNo rush
Monitor and plan
If your mini-split is working normally, follow its routine care schedule and plan a visit when needed. If new symptoms appear, request service sooner.
Request mini-split maintenanceQuick checks before you call
Looking after a ductless system
- Clean the filters. Open the front panel of the indoor unit, take out the filters, wash or vacuum them as the manual says, let them dry and put them back. Check them about once a month when the system is in use.
- Keep the outdoor unit clear. Remove leaves, snow and anything stored against it.
- Keep the indoor unit clear. Do not put furniture or curtains in front of it.
Signs to call us about
Call us when a ductless unit
- blows air that is not cold or not warm
- drips water inside
- shows a blinking light or an error code
- makes a new noise or has a musty smell
- does not answer the remote control
A ductless mini-split heats and cools a room without ducts. SquareHVAC is based in Hillside and serves communities within approximately 30 road miles. The towns we serve are listed on our service area page.
What a ductless system is
A ductless system has two parts: an outdoor unit, and one or more indoor units mounted on a wall or ceiling. A thin set of pipes and cables joins them through a small hole in the wall. Each indoor unit has its own remote control, so each room can have its own temperature.
Most ductless systems are heat pumps: the same unit cools in summer and heats in winter.
If your house already has good ducts, a central system is often the simpler choice. We look at the house and tell you plainly which one fits.
We repair ductless systems of all major brands. We aim to arrive within 2 hours from the time you call, depending on the distance to your location and current availability.
What a technician does during a maintenance visit: cleans the coils, checks the drain, checks the refrigerant and the electrical connections, and tests the system. A musty smell that stays after you cleaned the filters usually means the inside of the unit needs cleaning.
The written quote
We explain what we found and what it costs, in writing, with parts and labor listed separately. You review it; you decide. Work only begins once you approve.
All services
