Complete HVAC Services in Louisville, KY

Trusted HVAC Experts for Louisville Homes and Businesses

Your HVAC system is the heart of indoor comfort, and DFH Company is here to keep it running efficiently through every season. Whether you need routine maintenance, expert repairs or emergency service, our certified service techs provide fast, reliable support tailored to your system and schedule.

Residential & commercial heating and air conditioning
Same-day emergency repair
Trane Comfort Specialist™ certified
Serving Louisville and Southern Indiana since 1935

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DFH HVAC technician checking refrigerant levels on an outdoor air conditioning unit

HVAC technician from DFH Heating and Cooling preparing equipment at a service van

What Is a DFH “Check & Clean”?

Our signature “Check & Clean” service is a comprehensive inspection and cleaning designed to boost system performance and prevent breakdowns. During your appointment, a DFH technician will:

Inspect thermostats, electrical connections and system controls
Clean condenser coils, blower motors and condensate drains
Check and replace air filters
Test for gas or refrigerant leaks
Ensure safe operation and efficient airflow

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Why Regular HVAC Maintenance Matters

Routine service is essential to keeping your heating and cooling system running at its best. Here’s what you gain with every DFH Check & Clean:

Lower energy bills
Longer equipment lifespan
Cleaner indoor air
Fewer breakdowns

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DFH HVAC technician performing equipment maintenance on an outdoor condenser

DFH HVAC technician testing electronic controls inside a heating and cooling system

How Often Should You Schedule a “Check & Clean”?

We recommend two visits per year:

Spring: Prepares your air conditioning for summer
Fall: Ensures your furnace is ready for winter

Scheduling ahead helps avoid last-minute emergency calls, and keeps you comfortable year-round.

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Between Visits: Simple DIY HVAC Tips

While professional service is key, here are a few things you can do between Check & Clean visits. Check out our HVAC Troubleshooting Guide for more tips!

Change air filters every 1–3 months
Keep vents and returns clear of furniture or drapes
Trim landscaping around your outdoor unit for proper airflow
Listen for unusual noises or watch for smells that signal trouble
Use your system’s “Fan” mode to keep air circulating

HVAC technician performing AC system diagnostics and refrigerant testing

What Our Customers Say

      EXCELLENT  
   Based on 144 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Kurt Kennedy 
 
 
 
 Trustindex verifies that the original source of the review is Google. When our home A/C unit stopped blowing cool air during a weekend emergency—with no frozen condenser coils and a warm suction line—contacting DFH Heating and Cooling was the best decision we could have made. Our technician, Ralph, was friendly, personable, knowledgeable, and skilled. He arrived at our house within 30 minutes of our call, quickly resolved the issue, and patiently answered all of my questions regarding causation and future maintenance. If you are dealing with unexpected HVAC trouble, I highly recommend calling DFH Heating and Cooling.
  
 
      Posted on Google  
   
   Heather Cameron 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very attentive and honest with diagnosis. Had to have them out several times and all technicians were friendly and knowledgeable. Five stars! Thank you!
  
 
      Posted on Google  
   
   Nathan Beachy 
 
 
 
 Trustindex verifies that the original source of the review is Google. Worked to repair existing equipment without sales pressure. Technician was easy to work with and clearly experienced. Good, honest work. Will use again.
  
 
      Posted on Google  
   
   SARAH CUNNINGHAM 
 
 
 
 Trustindex verifies that the original source of the review is Google. Wonderful service.  I have used them for replacing the furnace and now the air conditioning unit.  Polite, professional, personable, nice to my dogs, closed the fence before they left.  I would recommend to anyone who needs HVAC services.
  
 
      Posted on Google  
   
   Jacob Choe 
 
 
 
 Trustindex verifies that the original source of the review is Google. Called DFH Company originally diagnose a leak. They determined an evaporator coil needed replacement and provided a replacement estimate at what I thought was a fair price. Since the system was quite old, we then started collecting quotes. DFH's estimate was similar to other companies but offered a Trane system whereas Goodman was what the others were offering. We went forward with DFH's estimate. They came out in a few days and installed a new Trane system in one day. There was a manufacturing defect in one of the parts right out of the box, but after notifying DFH, they arrived the next day to replace it and address the issue quickly. Will recommend DFH to anyone who has property in Louisville.
  
 
      Posted on Google  
   
   Walker Gnadinger (Peyton) 
 
 
 
 Trustindex verifies that the original source of the review is Google. Tommy did a great job!
  
 
      Posted on Google  
   
   Rick Suel 
 
 
 
 Trustindex verifies that the original source of the review is Google. Outstanding company! My 30 year old system finally bit the dust, so I called DFH to come take a look. They showed up the same day to evaluate the old system, and one day later my new Trane furnace is installed and running! They don’t look to upsell you or nickel and dime you, they just do what needs to be done, quickly, and for a fair (great!) price. I love that they are locally owned too.  Will definitely use DFH going forward.

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