D.N.I. Heating-Cooling-Refrigeration-Plumbing | Top-Rated HVAC Repair in Boulder, CO

We provide a full range of heating, cooling, refrigeration, and plumbing services for both residential and commercial properties in Boulder and Northern Colorado. This includes installation, maintenance, and repair of systems like furnaces, air conditioners, tankless water heaters, commercial refrigeration units, and specialized equipment such as ice cream machines and VFR systems. We also offer indoor air quality solutions to ensure your property maintains comfortable and healthy conditions year-round.

For Boulder residents dealing with refrigerant leaks, our technicians perform thorough diagnostics to locate the source of the leak using specialized equipment. We then repair the issue following EPA guidelines and recharge the system with the appropriate refrigerant. Since 1997, we've helped many Boulder area homeowners and businesses address this common problem efficiently, ensuring systems operate safely and effectively while minimizing environmental impact.

Yes, we have extensive experience with commercial refrigeration and specialized equipment including restaurant refrigeration systems, ice cream machines, and VFR systems. Our technicians are trained to handle the unique requirements of commercial equipment, providing installation, maintenance, and repair services to keep your business operations running smoothly. We understand that downtime can impact your business, so we prioritize timely and reliable service for all commercial clients.