Expert HVAC Solutions for South Central Illinois!

We provide full installation, repair, and maintenance for all types of commercial systems, including:

• Rooftop units (RTUs)
• Split systems and packaged units
• Heat pumps and furnaces 
• Commercial refrigeration systems
• Ductwork and ventilation systems 
• Zone controls and thermostats 
• From small offices and retail spaces to restaurants, schools, and industrial facilities — we tailor every job to your building’s needs and your budget.

With over a decade of experience in the HVAC industry, K & D Refrigeration has built a reputation for excellence. Our skilled technicians are trained to handle a variety of heating and cooling challenges.

We know how stressful it is when your HVAC system goes down. That’s why our technicians are trained to diagnose issues quickly and carry common parts on hand, so most repairs can be completed on the first visit.

When it’s time for a system replacement, we’ll help you compare options to find the best balance between cost, efficiency, and reliability.

Your HVAC system is a major investment — and regular maintenance is the best way to protect it. Our scheduled maintenance plans keep your equipment running at peak performance to help you:

• Prevent costly breakdowns
• Improve air quality
• Lower monthly energy bills
• Extend equipment lifespan
   

We’ll create a maintenance plan that fits your schedule and budget so you can focus on running your business.

We proudly install American Standard equipment — known for durability, efficiency, and long service life.

Prefer another brand? No problem. We can service and source parts for nearly any make or model through our network of trusted suppliers. Our goal is to provide the right equipment for your operation and keep your business running smoothly.