Business Details
50+ Years
experience
Emergency
services
Trusted HVAC, Plumbing & Electrical Services in Lake Bluff, IL
Founded in 1973, Cahill Heating, Cooling, Electric, Plumbing & Sewer Heating, Cooling, Electric, Plumbing & Sewer has dedicated over five decades to delivering high-quality heating, cooling, electrical, and plumbing solutions to residential and commercial clients across the North Shore and greater Chicago area. Our factory-trained technicians combine extensive experience with a commitment to integrity, ensuring every servicefrom emergency repairs to routine maintenanceis executed with precision and care. We prioritize customer satisfaction through same-day service, 24/7 emergency availability, and a 100% satisfaction guarantee, solidifying our reputation as a trusted local partner.Our expertise spans HVAC systems, plumbing infrastructure, electrical services, and Generac generator installations, supported by a team trained directly by manufacturers to uphold industry standards. By focusing on transparency, reliability, and advanced technical knowledge, we address complex challenges while maintaining clear communication and ethical practices. This dedication to excellence has earned us long-term loyalty from clients who rely on our expertise for year-round home comfort and system longevity.
Services
HVAC Repair
Plumbing Services
Electrical Repairs
Generator Installation
Indoor Air Quality
Details
- Year established: 1973
Highlights and features
- We offer 24/7 emergency service for urgent HVAC, plumbing, or electrical needs.
- Our technicians are factory-trained for precise repairs and installations.
- We guarantee 100% satisfaction with every service we perform.
- We provide same-day service and transparent pricing.
- Our team has over 50 years of combined experience serving the Chicago area.
What people say
Great service
Always on time
Friendly technicians
Expert solutions
Highly recommend
Services
HVAC Repair
Our factory-trained technicians diagnose and repair HVAC systems, including furnaces, heat pumps, and ductless mini-splits. We ensure efficient operation and comfort for homes and businesses. Emergency repairs are available 24/7.
Plumbing Services
We handle all plumbing needs, from leaky faucets to water heater replacements. Our skilled plumbers provide reliable repairs and installations to maintain functional home systems year-round.
Electrical Repairs
Our electricians address panel upgrades, wiring, and generator installations. We prioritize safety and efficiency, offering solutions for both residential and commercial electrical systems with minimal disruption.
Generator Installation
We install Generac generators to ensure uninterrupted power during outages. Our experts handle seamless setup and maintenance, protecting homes and businesses from unexpected power loss.
Indoor Air Quality
We improve home air quality with solutions like air scrubbers and humidity control. Our services reduce allergens and enhance comfort, ensuring healthier indoor environments for families.
Questions
What services does Cahill Heating, Cooling, Electric, Plumbing & Sewer Heating, Cooling, Electric, Plumbing & Sewer offer?
We provide HVAC repairs, plumbing services, electrical work, generator installations, and indoor air quality solutions for residential and commercial clients.
Do you offer emergency services?
Yes, we provide 24/7 emergency service for urgent HVAC, plumbing, or electrical issues.
Are financing options available?
Yes, we offer financing options for qualifying services to help manage costs.
What areas do you serve?
We serve Lake Bluff, Lake Forest, Libertyville, Mundelein, Vernon Hills, and surrounding Chicago suburbs.
How can I schedule service?
Call us at (847) 367-4492 or request service online for prompt assistance.
Reviews (6)
Rick Sametz
Jan 23, 2022
Report
Just moved to Lake Bluff and needed new Furnace & AC. Lots of options but I chose Cahill. I'm so glad I did. Incredible customer service, professional service people and best-in-class quality. I've since had them install a water heater and most recently, they came to fix the pilot light on my gas fireplace. I highly recommend Cahill. They're amazing!
Evolution Body Arts
Dec 21, 2021
Report
I was in a tight spot over the holiday weekend and Cahill came out and took care of what needed done. Mark and the crew had me up and running in a very timely manner. They patched my 17 year old hvac unit to get me through the weekend and then that following Monday they were able to order, pick up and on Tuesday morning install two brand new units on my roof! By 12 noon the job was cleaned up and complete! Cahill Electric and Heating are responsive, efficient and professional 5 stars all the way.
John Peters
Dec 26, 2020
Report
Excellent service and communication throughout the process of diagnosing and replacing our air conditioning units. Each contact was professional and knowledgeable: Joe, Mark, Ken and our Installation Specialist Hayko -- We have worked with Cahill over the past 20+ years and will continue to call them whenever needed. Service: Install AC
Ronald O'Malley
Dec 10, 2020
Report
Mark went out of the way to check to see if our cracked Reservoir on our high-efficiency Trane furnace was still under warranty where other HVAC companies came out and didn't even mention it. It turns out that it was and they replaced it in a reasonable amount of time and at a reasonable cost. We originally had 4 seasons come out and was never told about a manufacturers warranty on the parts. They said parts and labor would be $4,500 just to fix it and $8,500 for a new furnace!
A total rip off, a completely dishonest company. Stay far away from 4 seasons and go with a fair and honest company like Cahill. We also recently had a damper system installed by Cahill and it's made a world of difference in maintaining even heat throughout our split level home. Their technicians are knowledgeable, honest, and respectful too. A solid company from the top down.
A total rip off, a completely dishonest company. Stay far away from 4 seasons and go with a fair and honest company like Cahill. We also recently had a damper system installed by Cahill and it's made a world of difference in maintaining even heat throughout our split level home. Their technicians are knowledgeable, honest, and respectful too. A solid company from the top down.
Phillip Romei
Nov 24, 2020
Report
Excellent, professional service. Explained pur options and projected cost clearly and accurately. Addressed my wife's follow up qiestions well, and scheduling and installation were straightforward. Great pricing as well.
Tom P.
Jan 18, 2020
Report
Arrived early and done in under an hour. Jesse was great! He saved us $6,800 with a simple repair vs. replacement or massive repairs that were proposed by others. I recommend and use Cahill.
