Optimize Your Space with a Mini Split

Get a Ductless Mini Split Installation in Baltimore County

For homeowners looking to heat and cool specific rooms without the need for ductwork, ductless mini split systems offer an ideal solution. At Diagnostic Heating and Air Conditioning, we provide expert installation services for these energy-efficient systems, perfect for home additions, garages, or spaces where traditional HVAC isn’t practical. You’ll love the sleek, low-profile indoor units that blend seamlessly into your decor while providing zoned comfort control.


Mini split systems offer significant energy savings compared to full-system operation, and our quick installation process means you can enjoy your new system without major remodeling. Our team will help you choose the right system for your needs and ensure it’s installed for maximum efficiency and performance. With our expertise, you can trust that your home will be comfortable year-round in Randallstown, Ellicott City, Owings Mills and surrounding areas.


Schedule your mini split system setup with us and enjoy personalized comfort.

A man in gray overalls installs a white air conditioning unit on a white wall indoors.

How Our Process Works

Installing a ductless mini split system in your home is a straightforward process with our expert team. We focus on providing efficient and reliable service, ensuring your satisfaction every step of the way. Here’s how we do it:


  • Assessment of your space and needs
  • Selection of the ideal mini split system
  • Quick installation without major remodeling
  • Integration of sleek, low-profile indoor units
  • Optimization for maximum efficiency and performance


Contact us to start your mini split installation and enhance your home’s comfort.