Licensed HVAC & Refrigeration Experts

Residential & Commercial
HVAC Services in Lake City, FL and surrounding counties.

We provide expert residential HVAC, commercial HVAC, and commercial refrigeration services for homes and businesses in Lake City, FL. Fast, licensed, and reliable—your comfort is our priority.

Call Now

Request Service

Our Services

Fast, reliable service for homes and businesses in Lake City, FL. We handle all your HVAC and commercial refrigeration needs.

Walk-In Cooler Repair

Expert repair for commercial walk-in coolers to minimize downtime and protect valuable inventory. Fast response to urgent breakdowns.

Learn More

Ice Machine Service

Comprehensive ice machine repair and servicing for restaurants, hotels, and convenience stores. Quick turnaround to keep operations uninterrupted.

Learn More

Residential & Commercial HVAC

Complete AC repair, installation, and maintenance for homes and businesses. Licensed and insured professionals you can trust.

Learn More

Why Choose DL Williams?

Trusted, Local, and Reliable

Fast Response Times

We prioritize urgent calls to get your systems running quickly.

Licensed & Insured

Our certified technicians ensure safe, compliant, and reliable work.

Clear Communication

You’ll always know what to expect with transparent updates and honest advice.

Dependable Service

Count on us for quality results on every visit, for both homes and businesses.

What Our Customers Say

Read real reviews from our satisfied clients.

    
 
 
       Posted on Google  
   
   Holly Bruce 
 
 
 
 Trustindex verifies that the original source of the review is Google. Thank you again for coming to our rescue! Our A/C went out on Sunday and we called first thing Monday morning and they were there to repair within an hour.  Quickly diagnosed and repaired reasonably.  We will definitely keep using your services and recommend you to anyone else needing great service.
  
 
      Posted on Google  
   
   Lakota Wagenman 
 
 
 
 Trustindex verifies that the original source of the review is Google. My ac went out called DL WIlliams Heat and air and they were out in no time. Had to get new ac unit. Great work and reasonable.
  
 
      Posted on Google  
   
   Cindi Grace 
 
 
 
 Trustindex verifies that the original source of the review is Google. The technician was prompt and efficient!
  
 
      Posted on Google  
   
   Jessica Langley 
 
 
 
 Trustindex verifies that the original source of the review is Google. ⭐⭐⭐⭐⭐ I can't say enough great things about DL Williams Heating & Cooling! They were able to step in on very short notice to help one of my clients get everything needed so they could move forward with refinancing their home. Their responsiveness, professionalism, and willingness to go the extra mile made all the difference. As a mortgage professional, I truly value partners who understand the importance of timelines and communication, and DL Williams Heating & Cooling exceeded my expectations. I highly recommend them to anyone looking for a company that genuinely cares about helping their clients and gets the job done right!
  
 
      Posted on Google  
   
   Lavonda Ryan 
 
 
 
 Trustindex verifies that the original source of the review is Google. They were quick and very efficient. Got the job done within minutes thank God it was something easy thank you again. Lavonda Ryan
  
 
      Posted on Google  
   
   john groves 
 
 
 
 Trustindex verifies that the original source of the review is Google. Matthew came a diagnosed the problem. He was very professional very clean, very courteous manually and got the job done. Very impressed.
  
 
      Posted on Google  
   
   Troy Groves 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very pleased with the service we received earlier today. Very professional and courteous and prompt and did an outstanding job.
  
 
      Posted on Google  
   
   Terri Christie 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very professional , friendly and knowledgeable. Outstanding job and considerable amount of time spent on a very meticulous maintenance of my HVAC. The owner was available to answer all of my questions regarding system update for an extended  room added. Excellent communication and explained everything very well to me in a respectful way. This company has now earned my business for any HVAC problems I should have as well as new purchases on both of my homes.