Serving local Metro East communities with same-day expert plumbing, heating, cooling & electrical services.

Mini-Split Installation in Caseyville, IL

Ductless mini-split systems deliver efficient heating and cooling without ductwork, making them a strong choice for additions, older homes, or room-by-room control. Morrison Plumbing, Heating, Air & Electrical installs mini-splits throughout the Caseyville and Metro East area.

We help you choose the right number of indoor units and capacity for your space, then handle the full installation—indoor units, outdoor condenser, refrigerant lines, and electrical—with proper sizing and code compliance.

Why Homeowners Choose Morrison

What Sets Us Apart

  • Proper sizing and system design for your home
  • Quality equipment from trusted brands
  • Professional installation and refrigerant work
  • Upfront pricing and financing options
  • Ongoing repair and maintenance after install

When Mini-Split Installation Makes Sense

Good Fit For

  • Homes or rooms without existing ductwork
  • Additions, garages, or finished basements
  • Room-by-room or zone-based comfort control
  • Replacing or supplementing window units or baseboard heat
  • Efficiency-focused heating and cooling

Why Installation Matters in Caseyville

Southern Illinois has hot, humid summers and cold winters. Correct sizing and installation ensure your mini-split can cool in summer and heat in winter without wasting energy. We size and install for your actual load and usage.

Schedule your Mini-Split Installation Service today!

Our Process

What to Expect

  • Assessment of your space and comfort goals
  • Recommendations for unit count and capacity
  • Clear quote and financing options
  • Scheduled installation with minimal disruption
  • Testing and walkthrough of operation

Serving Caseyville and Nearby Areas

Morrison Plumbing, Heating, Air & Electrical serves Caseyville and the Metro East. We install mini-splits in Belleville, Swansea, Collinsville, Edwardsville, O’Fallon, and surrounding communities.

Explore Related Services

We also provide mini-split repairair conditioning installationheating services, and smart thermostat installation.

Schedule Installation Today

Contact Morrison Plumbing, Heating, Air & Electrical for a mini-split installation quote in Caseyville. We’ll help you design and install the right system for your home.

Mini-Split Installation Promotions & Offers

0% for 60 months OR payments starting at $189/month

Upgrade to select Deluxe, Premium, or Supreme American Standard systems with 0% financing or payments starting at just $189/month.

Up to $125 off PureAire Air Quality Packages

Save up to $125 on whole-home PureAire air quality packages.

$49 Trip Charge Waived with HVAC Repair

Get the service call on us — trip charge waived with any HVAC repair or full system replacement.

$99 Air Conditioner Maintenance

Keep your system running at peak performance before the summer heat hits. Schedule today and save.

Frequently Asked Questions

How many indoor units do I need?

It depends on the number of rooms or zones you want to condition. We’ll recommend a layout and capacity based on your home and goals.

Can mini-splits heat in winter?

Yes. Heat pump mini-splits provide both cooling and heating and perform well in our climate with proper sizing.

Schedule your Mini-Split Installation Service today!