Heating and Air Conditioning You Can Count On!
At Allegiance Heating & Cooling, we are dedicated to providing top-notch heating and cooling services to the residents of Mokena and the surrounding areas. With over 25 years of experience, we have earned the trust of countless Illinois residents and have become the go-to HVAC contractor for our community.
Our Mission
Our mission is to provide exceptional service, unmatched expertise, and unparalleled customer satisfaction. We understand the importance of a comfortable and energy-efficient living space, and we strive to deliver that to every customer, whether it's for their home or business.
Our Services
At Allegiance Heating & Cooling, we offer a wide range of services to cater to all your HVAC needs. Our services include:
- Heating Services: We provide high-quality heating services to keep you warm during the cold winter months in Mokena. Our technicians possess extensive knowledge of various heating systems, and we provide quality equipment from trusted manufacturers such as Trane.
- Cooling Services: We deliver high-quality cooling services to keep you cool during the hot summer months in Mokena. Our technicians possess extensive knowledge of various cooling systems, and we provide quality equipment from trusted manufacturers such as Trane.
- Indoor Air Quality Services: We offer a line of advanced indoor air quality solutions to ensure that the air you breathe is clean and healthy.
- Ductless Services: We specialize in ductless HVAC systems, offering a cost-effective and energy-efficient way to keep your home or business comfortable.
- Heat Pumps: We offer heat pump services to provide you with a reliable and efficient way to heat and cool your home or business.
Why Choose Us
So, why choose Allegiance Heating & Cooling? Here are just a few reasons:
- Expertise: Our team of experienced technicians has over 25 years of combined experience in the HVAC industry.
- Customer Service: We prioritize customer satisfaction above all else, ensuring that you receive the best service possible.
- Competitive Pricing: We offer competitive pricing without compromising on quality.
- Reliability: We understand the importance of punctual service and ensure that our technicians arrive on time.
At Allegiance Heating & Cooling, we are committed to delivering exceptional service, unparalleled expertise, and unmatched customer satisfaction. Whether you're in need of a furnace repair, an AC installation, or any other HVAC service, we're here to help. Contact us today to schedule an appointment and experience the Allegiance difference.
Expertise and Professionalism
All reviewers rave about the expertise and professionalism of the Allegiance team. They praise the fast response time, thorough diagnosis, and high-quality installation work. Many reviewers mention specific team members, such as Ron, Donnie, Jack, and Danny, who they credit with providing exceptional service.
Communication and Honesty
Reviewers praise the Allegiance team for their excellent communication skills, honesty, and transparency. They appreciate the detailed explanations of the work and the options presented to them. Several reviewers mention that the team went above and beyond to ensure their needs were met.
Quality of Work
The quality of work is consistently praised by reviewers. They note that the installations were done quickly, and the new systems work perfectly. Some reviewers even mention that the Allegiance team found and fixed issues that other companies had missed.
Customer Service
The customer service at Allegiance is also highly praised. Reviewers comment on the responsive and professional office staff, as well as the knowledgeable and courteous technicians. Many reviewers mention that they have been customers of Allegiance for years and will continue to use their services.
Membership Plan
Several reviewers mention that they purchased Allegiance's Smart Advantage Membership Plan, which they find to be a great value. They appreciate the peace of mind that comes with knowing they have a trusted team to call for all their HVAC needs.
Additional Comments
Some reviewers mention that Allegiance's prices were very competitive, and they appreciated the transparency about the costs. Others praise the company's ability to work with their schedule and accommodate their needs.

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