Air Conditioning & Heating Repair and Installation Services in Lake Forest, IL & Surrounding Cities for Over 30 Years. If you’re looking for quality heating, ventilation, or air conditioning service in the Lake Forest or Highland Park area, Ireland Heating & Air Conditioning is here to serve you. We’re a family owned business that’s been serving the community since 1978. We believe in taking care of our customers the way we’d like to be treated. That’s why we only carry the top equipment in the industry and send only well-trained, NATE certified technicians to perform all work.
When you’re looking for a new HVAC system, you almost certainly want a long-lasting system that is quiet, energy efficient and fairly priced. As a Carrier Factory Authorized Dealer, you can count on us to offer a wide range of equipment from this industry leader to meet your performance and budgetary needs. Professional installation by our experienced, factory-trained technicians ensures your furnace or AC will run smoothly for years to come.
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Certified by Ireland Heating & Air Conditioning Co. • Apr 05, 2026
Certified by Ireland Heating & Air Conditioning Co. • Apr 05, 2026
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
Reviews
4.9
412 reviews
5 stars
396
4 stars
11
3 stars1
2 stars0
1 star4
DW
David Williams
6 days ago
5.0
Ireland did exactly what they said at a very reasonable price and quickly
MH
Mike Henderson
Apr 2, 2026
5.0
This was my first experience with Ireland. I always received a great response talking with their office and management. When it was time for the installation I had two excellent craftsmen that were very respectful making sure they kept the house clean and letting me know when and what was happening. I would not hesitate to recommend Ireland to my neighbors knowing how they approach their projects.
AL
Andrew Lehrer
Mar 27, 2026
5.0
Added a mixing valve to my water heater. Efficient and did great work!
DG
Denise Gobillot
Mar 19, 2026
5.0
Ireland Heating & Air Conditioning Co receives an A+++ from my family. They are very prompt, professional, courteous, knowledgeable and reliable! Dave and Alan Ireland have the BEST family run business in the industry! Thank you!
IM
idaliza Morales
Mar 15, 2026
5.0
I would like to say that Ireland heating & Air conditioning is a business you can trust on what they promise. The work was superb. The installation was done in the time frame they said, they cleaned everything. They get five stars all around. Thank you all.
Idaliza Morales
Frequently Asked Questions About Ireland Heating & Air Conditioning Co.
What services does Ireland Heating & Air Conditioning Co. provide?
Ireland Heating & Air Conditioning Co. specializes in heating installation, repair and maintenance, air conditioning installation, repair and maintenance, indoor air quality solutions, thermostats and controls, ductless mini-split air conditioning systems, Aeroseal duct sealing, and snow melt systems.
What areas does Ireland Heating & Air Conditioning Co. serve?
They provide services to Lake Forest, IL, and surrounding cities including Buffalo Grove, Deerfield, Evanston, Glencoe, Glenview, Gurnee, Highland Park, Kenilworth, Lake Bluff, Libertyville, Northbrook, Northfield, Vernon Hills, Wilmette, and Winnetka.
What brands and products does Ireland Heating & Air Conditioning Co. offer?
They offer equipment mainly from Carrier, including air conditioners and heat pumps, boilers, ductless systems, fan and evaporator coils, furnaces, geothermal heat pumps, indoor air quality products, packaged products, and thermostats and controls.
Are emergency services available at Ireland Heating & Air Conditioning Co.?
Yes, they provide 24-7 emergency services to assist customers anytime they need heating or air conditioning help.
How can I schedule an appointment with Ireland Heating & Air Conditioning Co.?
You can schedule an appointment online through their reservation page at https://irelandhtg.com/schedule-appointment.
What payment options are accepted by Ireland Heating & Air Conditioning Co.?
They accept American Express, Cash, Check, Discover, Financing options, MasterCard, and Visa for payment.
What certifications do the technicians at Ireland Heating & Air Conditioning Co. have?
Their technicians are N.A.T.E. certified, ensuring skilled and professional service.
What are the business hours of Ireland Heating & Air Conditioning Co.?
They operate 24 hours a day, 7 days a week, providing continuous service availability.
Are there any places near Ireland Heating & Air Conditioning Co. where I can eat or relax?
Nearby you can visit Knighthawk Burger Bistro, an American burger restaurant for a meal, or Blissful Brownies for bakery and smoothie treats, ideal for a quick bite before or after your HVAC service visit.
What nearby facilities can help with car maintenance around Ireland Heating & Air Conditioning Co.?
Trusted Auto Center and Superior Auto Repair are nearby shops where you can get automotive repair, oil changes, or tire services while your HVAC system is being serviced.
Are there any fitness or recreational venues near Ireland Heating & Air Conditioning Co.?
Yes, NorthShore Sports Club offers sports and fitness instruction, and Poeta Training Center is a gym where you can enjoy active life activities near the company location.
Brand Certified Facts from Ireland Heating & Air Conditioning Co.
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