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Chicago Residential Air Conditioning Service

Cooling Systems and Components


Our licensed HVAC technicians offer energy-efficient air conditioners with SEER ratings of 13 to 18 or more so that you can save energy and money on your summer cooling bills.


  • Trane Air Conditioners
  • Aprilaire Thermostats
Additional Add-On Components


  • Aprilaire Air Cleaners
  • Aprilaire Humidifiers
  • Apco Air Purifiers
Expert Cooling Services in Chicago and McHenry County


Our licensed HVAC technicians offer all the cooling services you need to keep the air conditioner in your Chicago home running efficiently all summer long.


  • Air Conditioner Installations and Upgrades
  • Cooling System Repairs
  • Routine Cooling System Maintenance
  • Cooling System Maintenance Plans
Air Conditioning Installations and Upgrades


Our HVAC technicians offer timely cooling system installations and upgrades. We understand that when you need a new or replacement air conditioner installed, you need it right away. Our air conditioning technicians will arrive at your home on-time to install your new air conditioner. If you are unsure as to the type or size of A/C unit you need, our Comfort Specialists can recommend new, energy efficient models that will meet or exceed your cooling expectations. It’s all part of the Althoff Advantage.


Air Conditioning Maintenance and Tune-Ups in NW Chicago


Regular air conditioning maintenance can help you keep your air conditioner running reliably and efficiently all summer long. Our spring air conditioner maintenance program checks all of the vital components of your air conditioner, including the thermostat, electrical components, fans and coolant. We’ll even clean your compressor coils to ensure proper heat transfer.


Routine and Emergency Cooling System Repairs


When your air conditioner malfunctions or stops working completely, you need cooling system repairs from our reliable air conditioning technicians. When your air conditioner stops blowing cool air, refuses to turn off or on or makes odd noises, our licensed technicians can locate the problem and repair it so that you can continue to enjoy cool, comfortable indoor temperatures.


Cooling System Maintenance Plans


To help keep your air conditioner running smoothly throughout its entire expected life, we offer silver and gold cooling system maintenance plans. These plans include a discount on parts and labor and one cooling system inspection service call.


Service Area


We are proud to offer our air conditioning service in Chicago and the northwest suburbs, including Crystal Lake, Arlington Heights, Elgin, Schaumburg, Aurora, Naperville, and Woodstock

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