Unico AC System Repair in Chicago, IL
Older homes, historic brownstones, and architecturally significant properties throughout Chicago present a distinct challenge when it comes to cooling. Traditional ductwork simply doesn’t fit into plaster walls, narrow chases, or finished spaces without tearing into walls and ceilings. The Unico System solves this problem with small-diameter flexible tubing and compact air handlers that deliver powerful, even cooling while preserving the character of your home. When that system stops performing the way it should, you need a repair team that understands its unique engineering. At All Temp Heating & Air Conditioning, we have the training and hands-on experience to diagnose and restore Unico high-velocity systems quickly and correctly.
Unico systems work differently than conventional forced-air setups. They rely on aspiration, drawing room air into the supply airstream to create gentle, draft-free circulation. The two-inch flexible supply tubing and sound-attenuating materials minimize noise while maintaining high static pressure. Because the design tolerances are tighter than standard HVAC equipment, repairs require specialized knowledge of airflow dynamics, coil performance, and the proprietary components Unico engineers into each unit. Our technicians know exactly how these systems behave, so we can pinpoint problems other contractors might overlook.
Common Unico Problems We Diagnose and Repair
High-velocity systems run under more pressure than typical residential equipment, which means certain issues tend to surface over the life of the system. When a Unico AC unit isn’t cooling evenly or producing the quiet airflow it was designed for, the cause often traces back to a handful of recurring culprits. Identifying the root cause rather than treating symptoms is what keeps your system running reliably through the hottest stretches of summer.
Here are the issues we encounter and resolve most frequently on Unico systems throughout the area:
- Reduced airflow at outlets: Often caused by kinked or disconnected supply tubing, blocked outlets, or a clogged air filter restricting the high-static-pressure design.
- Refrigerant leaks: Low charge reduces cooling capacity and can lead to compressor strain, requiring leak detection, repair, and proper recharging to manufacturer specifications.
- Blower module failures: The compact air handler relies on a powerful motor, and worn bearings or electrical faults can cause noise, weak output, or complete shutdown.
- Condensate drainage problems: Clogged drain lines or failed pumps can trigger water damage and system safety shutoffs that interrupt cooling.
- Frozen evaporator coils: Restricted airflow or low refrigerant often causes icing, which we thaw, diagnose, and correct at the source.
- Thermostat and control issues: Faulty wiring or incompatible controls can prevent the system from cycling correctly.
Our Unico Repair Process
When you call All Temp Heating & Air Conditioning for Unico service, we begin with a thorough inspection of the entire system rather than just the obvious symptom. We check static pressure readings, inspect the supply plenum and tubing runs, evaluate refrigerant levels, and test the blower module and electrical connections. Because Unico systems operate as a tightly integrated whole, a problem in one component frequently affects performance elsewhere. Our methodical diagnostic approach ensures we address the actual fault instead of applying a temporary patch.
Once we identify the issue, we explain our findings in plain language and outline the repair before any work begins. We carry experience with the proprietary parts and accessories these systems require, and our courteous, fast, and friendly staff works efficiently to minimize disruption to your home. Whether your system serves a single converted attic space or cools an entire multi-story residence, we restore it to its designed performance with attention to the details that make high-velocity cooling so comfortable.
Why Chicago Homeowners Choose Us
As a family owned and operated company, All Temp Heating & Air Conditioning has become the first choice for tens of thousands of families throughout Chicago, IL and surrounding areas. We sell and service quality furnaces, air conditioning, boilers, air purifiers, humidifiers, ventilation, and water heaters, and we provide expert installation, tune-up, and repair across the full range of residential comfort equipment. That breadth of experience matters when servicing specialized systems like Unico, because we understand how cooling integrates with your home’s complete heating and air quality picture.
We proudly serve customers in Chicago, Bolingbrook, Skokie, Evanston, Lincolnwood, Morton Grove, Niles, Park Ridge, Woodridge, and Darien, IL and the surrounding communities. As one of Bryant’s highest-rated dealers in the nation, we hold ourselves to standards that reflect decades of trusted service. When your Unico high-velocity system needs repair, you can rely on our knowledgeable technicians to get it running right. Reach out to All Temp Heating & Air Conditioning today to schedule your Unico AC system repair and enjoy quiet, even cooling once again.