Air Conditioning Repair

D.N.I. Heating, A.C. and Refrigeration, Inc. resolves concerns with any brand or model of residential or commercial cooling systems. Over our 24 years of dedication in Longmont, CO and surrounding areas, we’ve distinguished ourselves as the go-to HVAC company for satisfying and sustainable end results. Simply give us a call at 303-772-2490, and we’ll answer with flexible appointment times, swift action, and 24/7 emergency assistance. Our fully licensed and insured professionals draw from practical experience, continued training, and in-depth resources.

Reliable AC System Repairs

There’s a reason we’ve grown through word-of-mouth across Mead, Longmont, Firestone, Frederick, Loveland, Berthoud, Johnstown, Erie, Lafayette & Louisville, CO. We at D.N.I. Heating, A.C. and Refrigeration, Inc. never fail to uphold our exacting standards of dependability and honesty. We don’t sell you something you don’t need. Following up accurate evaluation with concise recommendations, we help you reach the best possible decision.

Turn to D.N.I. Heating, A.C. and Refrigeration, Inc. for all your air conditioner repair services!

Our focus is the reliable, efficient, and long-term performance of your air conditioner. Locally owned and operated, we understand the demands of the summer heat and deliver peak performance through expert air conditioner services.

Air Conditioning Services in Longmont, CO | AC System Repair Louisville, CO

What our clients are saying

K. Kitten

Trustworthy, fair and will advocate for their clients. Whether it is maintenance or replacement DNI is wonderful. As a small business, the options are limited and expensive for replacing a unit that is original to the building. Chris L. worked exceptionally hard to ensure that our needs were met, ultimately finding the most cost effective solution.

D. Johnson

This crew has saved me on multiple occasions. From heating to ac service they have done it all for me. Always great customer service and a quick response time! Thanks for the continued great service DNI!

M. Southworth

DNI Heating got out to my house, assessed the problem and installed a new furnace for us within hours on a Friday afternoon. We did not have to worry about the 0 degree temperatures coming in that weekend. The service was great from the minute I called to helping us register our furnace.

R. Barcklow

DNI and Chris specifically were amazing. My furnace went out with the first Colorado storm and they were able to come out the next day and provided me with honest, transparent service so I could make the best decision for my budget. There was never any pressure from Chris between buying a new furnace and fixing my old one. I felt like they were patient and willing to work with me and my needs. I would highly recommend DNI for heating services.

R. Larson

Extremely happy with my decision to use DNI. Installed cash price of my new furnace & AC unit was about 23% lower than the competition. Chris was very knowledgeable, conscientious, and top notch! The whole crew was excellent!

J. Jacobs

The service personnel were top-notch – friendly, professional, and dealt with some unexpected issues without missing a beat! Plus, they were dog lovers and made friends with my best buddy Highly recommended!

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Save today with our special offers

At D.N.I. Heating, A.C. and Refrigeration, Inc. our goal is to make your residential or commercial property more comfortable, and to help you save money. We are happy to provide you with the following special offers!

Special Offers

$300 Off

New Residential Evolution Furnace -or- A/C Installation


This coupon cannot be combined with any other offers.

AC System Repair, Cooling System Repair & AC Repair Erie, CO, Firestone, CO, Longmont, CO, Louisville, CO, Frederick, CO & Mead, CO

Air Conditioning ServicesAC System Repair ∴ Mead, CO ∴ Erie, CO ∴ Frederick, CO