Rooftop Unit Services | Hot Cold Air in Chicago, IL
Our Professional Services

Welcome to Hot Cold Air, one of the leading commercial HVAC service providers in Chicago. Our team of professionals is highly trained and experienced in all aspects of rooftop unit installation, maintenance, and repair. Whether you need to install a new unit or repair an existing one, our technicians are ready to provide the highest quality service available.

As a leading commercial HVAC service company and provider of rooftop unit services, Hot Cold Air offers comprehensive solutions to keep your unit running efficiently and effectively.

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Explore our diverse range of additional services, offering solutions to meet all your HVAC needs.

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310 Melvin Dr Ste 13, Northbrook, IL 60062



(224) 877-7731

Trusted By Thousands

With a legacy of trust established over the years, Hot Cold Air HVAC has earned the confidence of thousands of satisfied customers.

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What's Included in Rooftop Unit Services

For many businesses, rooftop units are essential to keeping their facilities' temperature and air quality at optimal levels. That’s why having a reliable and knowledgeable partner regarding rooftop unit services is crucial. The following is what is included in rooftop unit services:

  • Cleaning and inspecting coils, fins, and other components
  • Checking and replacing air filters
  • Inspecting electrical connections and wiring
  • Checking refrigerant levels and replacing them as needed
  • Lubricating moving parts
  • Inspecting and cleaning condensate drains
  • Testing, starting, and running capacitors and relays
  • Inspecting and tightening belts
  • Inspecting safety controls
  • Checking and adjusting thermostat settings

Our Service areas

We provide comprehensive heating and cooling services to homes and businesses in Chicago suburbs, ensuring optimal comfort and efficient climate control solutions.


5-Year 0%

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Other Services

Explore our diverse range of additional services, offering solutions to meet all your HVAC needs.

How often should Commercial HVAC Services be done? 

If you don’t want to replace your rooftop unit unless it’s absolutely necessary, it’s advisable to maintain it. You should book rooftop unit services once a year so that you can be sure that your unit is functioning well. If you notice any unusual noises or smell strange odors from your HVAC system, it’s best to have it looked at as soon as possible. This will help ensure that your air conditioner runs optimally and efficiently all year round.

Why Choose Hot Cold Air? 

We can offer Arlington Heights residents (as well as all other Chicago suburbs) reliable rooftop unit services at Hot Cold Air. Your rooftop unit's health is as important as your own, and prevention is better than cure. Stay on top of your rooftop unit’s maintenance needs by counting on the ‘commercial HVAC services near me’ that delivers without fail. Our strong customer service ethics puts you at the center of our operations.

 We have a fleet of vehicles fully stocked with all the equipment our specialists need, and we use only original spare parts so that your rooftop unit can perform to its full potential. Our team of specialists is also highly trained and experienced, so you can count on us to provide the best service possible. When it comes to rooftop units, there's no better choice than Hot Cold Air.

Get in touch today, let us take care of all your air conditioning, ventilation, and heating needs!