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Our Story

Originally founded in 1989, Sub Zero Inc. has grown and become the largest HVAC business serving the cooling and heating needs of Key West for more than 28 years. With dependable and reliable service, we have become well known as one of the best HVAC contractors in the Florida Keys. We treat all of our customers with the utmost regard and care, and we value all of our work. We understand the ever-growing costs of trying to efficiently and effectively cool in the Florida Keys and strive to maintain excellence in our profession.

Need Help?

Our office hours are Monday - Friday (8:00am - 5:00pm EST). You can reach us via phone, fax or email. For weekend emergency service, please call 305-294-9243.