• Serving the Macomb & Beyond for 80 Years

  • 24-Hour Emergency Service Available

  • Award-Winning Sales & Service

Air Conditioning Service, Repair, & Installation in the Macomb Illinois Area

Is your air conditioner not working properly, or are you looking to install a new one? At Hollister Electrical, Plumbing & Heating, we provide top-quality air conditioner repair, maintenance, and installation services in Macomb, IL. Our experienced technicians are dedicated to ensuring your home stays comfortable throughout the hot summer months.

Why Choose Hollister Electrical, Plumbing & Heating

Experienced Technicians

Our team of skilled technicians has extensive experience in repairing, maintaining, and installing all types of air conditioning systems. We continually train and educate our staff on the latest industry standards and techniques to ensure we provide the best service possible.

24/7 Emergency Service

We understand that air conditioning issues can occur at any time. That's why we offer 24/7 emergency service to address your AC problems promptly and efficiently. Our technicians are always ready to help you, no matter the time or day.

Customer Satisfaction Guaranteed

At Hollister Electrical, Plumbing & Heating, your satisfaction is our top priority. We pride ourselves on providing prompt, reliable, and professional air conditioning services to our customers in Macomb, IL. If you're not satisfied with our work, we'll make it right.

Our Air Conditioning Services

AC Repair

Is your air conditioner not cooling as it should, making strange noises, or experiencing other issues? Our expert technicians can diagnose and repair any AC problem, ensuring your system runs efficiently and keeps your home comfortable.

AC Maintenance

Regular maintenance is essential to keep your air conditioner running efficiently and to extend its lifespan. We offer comprehensive maintenance services, including cleaning, inspection, and tune-ups, to help you avoid costly repairs and ensure your AC is ready for the summer months.

AC Installation

Whether you need to replace an old air conditioning system or install one in a new home, our skilled technicians can help you choose the right system for your needs and budget. We work with top brands to provide energy-efficient and reliable AC units, ensuring a seamless installation process and optimal performance.

Hollister Air Conditioning Service Highlights

  • Hollister Electrical is a BBB Accredited Business with an A+ Rating
  • References and referrals are always available
  • Consistent 5-star rating on Google
  • 80 years of service to our community
  • All technicians insured, bonded and EPA 608 compliant
  • Certified Trane Preferred Dealer


Don't let air conditioning issues ruin your summer comfort. Trust Hollister Electrical, Plumbing & Heating for all your AC repair, maintenance, and installation needs in Western Illinois.

Call us at (309) 833-2921 or fill out our contact form to schedule a service today!

See What Our Customer's Have to Say

Judy Sadler
a week ago
I was very pleased with the plumbing service provided by John. He came quickly, after hours, to deal with an unexpected basement flood. He was...
Frank D
2 months ago
Wes and Clay came to my home to help out with electrical and plumbing needs since I just moved in. They could not have been...
Rebecca Cramer
2 months ago
Michael did an EXCELLENT job replacing my water heater โ€” explained how it operates, was very courteous and cleaned up afterward. He had to navigate...

Learn More About Our Air Conditioner Service, Repair, & Installation Services

Hollister specializes in service, repair, and maintenance of residential and commercial air conditioning. Our experienced HVAC specialists provide affordable tune ups and fast repairs in an emergency. Contact Hollister to get started today.