Whether you’re interested in tankless water heating, tank-style water heating, a residential or commercial boiler, or radiant floor heating, make DNI Heating, A.C. and Refrigeration, Inc. your go-to for hydronic services.
Professional & Efficient Boiler & Hot Water Heater Service
We simplify those everyday demands, not just saving you money through unmatched efficiency but ensuring greater reliability, convenience, and overall enjoyment. Let us answer your requirements quickly, smoothly, and to higher standards of quality.
DNI Heating, A.C. and Refrigeration, Inc. specializes in a full range of boiler and water heating services in Longmont, Boulder, Loveland and surrounding areas. From new installation, upgrades, and conversions to repair and maintenance, we deliver a satisfying and sustainable end result. Contact us at for further information, honest recommendations, and expert workmanship. Our fully licensed and insured team is qualified and well-versed in all makes and models, and we look forward to finding the best solution for your specific needs.