We Fix Problems. Guaranteed!
At KNZ Heating & Cooling, we understand that a malfunctioning HVAC system can significantly impact your safety and comfort. That's why we're committed to providing exceptional customer service, no matter when you need our assistance. As a family-owned business, we've been serving Northwest Indiana for over two decades, valuing personal connection and trust above all.
Our Services
Our team of certified technicians is dedicated to providing the highest level of expertise and professionalism in the following services:
- AC Repair & Installation: Our experienced technicians can diagnose and repair or install your air conditioning system, ensuring your home remains comfortable and cool during the hot summer months.
- Furnace Repair & Installation: Whether you're in need of a repair or a replacement, our technicians are trained to work on all major furnace brands, ensuring your home stays warm and cozy during the cold winter months.
- HVAC Maintenance: We understand the importance of scheduled maintenance to prevent breakdowns and optimize energy efficiency. Our team will assess your entire HVAC system, ensuring it functions harmoniously for maximum efficiency.
- Humidifiers: Dry air can lead to discomfort, respiratory issues, and premature equipment wear. Our humidifiers help maintain a healthy indoor environment.
- Ultra-Violet Lights: Our UV lights can neutralize bacteria, viruses, and mold growth, promoting a cleaner and healthier indoor space.
- Indoor Air Quality Solutions: We offer solutions to improve indoor air quality, including Wi-Fi thermostats, hybrid heat pumps, and more.
Why Choose KNZ?
At KNZ, we pride ourselves on our commitment to customer satisfaction. Here are just a few reasons why you should choose us:
- We service all major brands, ensuring you'll receive the best possible care for your equipment.
- Our 100% satisfaction guarantee: If you're not completely satisfied with our service, we'll work to resolve any issues promptly.
- Family-owned and operated: Our team values personal connection and trust, treating each client like family.
- Our Whole House Approach: We assess your entire home and system, ensuring they work together for maximum energy efficiency, potentially saving you up to 50% on your energy bills.
What Our Customers Say
We're proud of the exceptional service we provide, as evident from the excellent reviews listed below:
- Eric M.: "Within a week, I was able to get a quote and brand new AC installed. Everyone I interacted with was friendly, and I'd recommend them!"
- Nick and Zack: "Were very professional and completed the installation flawlessly and in a timely manner!"
And many more! We're grateful for the opportunity to serve our community and look forward to the chance to serve you.
Exceptional Customer Service
Many reviewers have praised KNZ Heating & Cooling, Inc for their exceptional customer service. The team is described as being very responsive, knowledgeable, and professional. Reviewers appreciate their ability to handle issues and repairs efficiently, and many have recommended them to others.
Heating and Cooling Needs
KNZ has been praised for their work on heating and cooling systems, including installation, maintenance, and repairs. Reviewers have complimented their friendly and honest staff, and appreciate their thorough explanations of the work being done.
Quality of Work
Some reviewers have noted that the quality of work is top-notch, with one reviewer stating that the craftsmanship is "amazing." Another reviewer mentioned that the company's prices are reasonable and more affordable than other companies they received bids from.
Professionalism
Many reviewers have praised the professionalism of KNZ's staff, including their technicians, office staff, and management. Reviewers appreciate their courteous and respectful manner, and feel that they are trustworthy and reliable.

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