SquareHVAC in Hillside, IL: our home base

SquareHVAC is based at 345 Clayton Rd, Hillside, IL 60162. This is our home base, and we serve Hillside and the surrounding communities from here.

We aim to arrive within 2 hours from the time you call, depending on the distance to your location and current availability. Emergency service is available 24/7, including Sundays. Non-emergency visits outside routine service hours are scheduled for the next working period.

AC repair and other HVAC services in Hillside

We repair, install and maintain the main system types from this base. When your air conditioner is the problem, see air conditioning repair. We also install new air conditioners and heating systems, repair furnaces and boilers and look after ducts. The service cards above show what each covers in Hillside.

Repair or replace?

Start with the diagnosis. A worn control, an airflow problem and a major equipment failure lead to different choices, even when two systems are the same age. Ask what the proposed repair would solve, what it would leave unchanged and what a new system would include. The HVAC repair cost guide explains why estimates can differ. At our Hillside base, we can discuss the options after examining the equipment serving your property.

For businesses in Hillside

We work in offices, retail shops, restaurants and apartment buildings. We service rooftop units, split systems and boilers. See our commercial page.

Starting from our Hillside home base

Our Clayton Road address is the business home base, so a Hillside request can begin with a clear description of the system and the property address. If the problem is with cooling, say whether air is moving indoors, whether the outside unit starts and whether water or ice is visible. For a heating call, note the thermostat setting and any fault light you can read without opening equipment. We will confirm availability when you call; the arrival aim depends on distance and the calls already in progress.

When a replacement is being discussed, ask what failed and what a repair would change before comparing new equipment. Hillside lists contractor licensing as part of its permit process and asks for a refrigerant card for heating and cooling work. Those requirements are linked below. For a working system, you can use the maintenance options to plan a visit rather than waiting for a breakdown.