Palatine, IL:
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24 Hour Emergency Service
Libertyville, IL:
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Do you have a stubborn air conditioner that won’t emit cool air throughout the home? Are you seeing higher and higher energy bills each month without using more from your AC? These are some common signs that your air conditioner broke and may need a replacement. Call Allied Air Conditioning & Heating today for professional air conditioning services.

Professional AC Services in Grayslake

Allied Air Conditioning & Heating is here to help if you need expert air conditioner services. Our NATE-certified HVAC technicians have all the tools, training, and experience to handle your ac repairs in Grayslake, IL. We work on

  • Outdoor AC units
  • Central air conditioning
  • Ductless HVAC
  • Heat pumps
  • And more!

We also offer air conditioning replacements in Grayslake, IL, if you need to replace an older unit. First, we work with you on finding a new cooling system that meets your needs and budget. Then, we conduct a thorough multi-point inspection to ensure no disruptions or breakdowns. With Allied’s professional installation services, your AC runs well all year.

Benefits of AC Repair and Maintenance

Having expert air conditioning maintenance in Grayslake, IL, means many additional benefits for your home, such as

  • Cost-Savings: A new AC system uses less energy to cool the home, meaning smaller energy bills at the end of the month. Also, you’ll need fewer maintenance or repair trips, saving you more money each time.
  • Energy Efficiency: Newer technologies in the cooling system ensure maximum cooling throughout the home. For example, smart thermostats for your air conditioner grant you climate control for specific times throughout the day and for specific durations.
  • Durability: Our multi-point inspection on every air conditioner installation in Grayslake, IL, means our team installs your cooling system safely and effectively. You’ll have cooling power whenever you need it without risking breakdowns or disruptions.
  • Peace of Mind: Allied Air Conditioning & Heating wants everyone to feel safe and relaxed at home all year. Our AC repair, maintenance, and installation services give you the peace of mind you deserve for optimal home comfort.

Allied Air Conditioning & Heating is Here for You!

Allied Air Conditioning & Heating is here for you. We’ve been serving thousands of customers across Northern Chicagoland for over 55 years with no plans of stopping. From the initial consultations to finalizing your air conditioning installation in Grayslake, IL, we strive to provide the best customer service for every project we do. Check out our countless 5-star reviews to see some of our past work and satisfied clients.

Contact Us Today to Schedule an Appointment

If you have questions, we have answers. Call us at 847-367-8989 for a free consultation. We’re available 24/7 if you need emergency services or wish to schedule a same-day appointment. Anytime you need air conditioning service in Grayslake, IL, you can rely on us to finish the job fast and efficiently.

We’re the premier HVAC company in Chicagoland dedicated to fixing your heating and cooling systems in the best ways we can.

HVAC Technician Servicing an Outdoor Air Conditioner in Grayslake, IL


Interested in a boiler for your home or commercial space? Allied Air Conditioning & Heating Corporation partners with IBC and Carrier brands to not only ensure the right fit for any demand but outstanding reliability and lasting performance.



Through our relationship with Wells Fargo Bank, N.A., participating HVAC dealers offer a variety of flexible options for financing your new HVAC product or system. That way, you can invest in your home’s comfort without breaking your monthly budget.

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