24/7 Emergency Service

HVAC emergencies happen when you least expect them. Contact the professionals at A+ Derr to take care of your issue. We have the necessary skills and tools to fix your system so you can safely use it once again. Call our team at 833-232-4328 to get emergency HVAC services in Louisville, KY, Evansville, IN, or the surrounding areas.

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Ductless AC Installation in Evansville & Louisville

If you’re looking for effective and efficient air conditioning but don’t have or don’t want to deal with traditional air ducts in your home or business, ductless mini-split installation is the perfect solution. They’re long-lasting, sturdy, and solid; the ductless heat pumps provide heating and cooling and affordable, dependable comfort for 10 to 30 years, depending on the type of ductless system and how well it was installed and maintained.

For ductless AC installation in Newburgh, Henderson, Owensboro, and surrounding areas, call A+ Derr Heating and Cooling or contact us online today!

Upgrading To Ductless AC

When you want to upgrade your current AC, a ductless mini-split offers many advantages. If you’re switching from window air conditioning to a ductless AC unit, the benefits include saving the time, expense, and hassle of having air ducts installed throughout your home, as well as reclaiming your window views and ventilation.

Other benefits of upgrading to ductless AC in Louisville and Evansville include:

  • Energy-efficient, affordable operation
  • Consistent operation and cooling capacity
  • Improved indoor air quality
  • Reliable, eco-friendly comfort
  • Fast and easy installation
  • Individually controllable thermostats

The Benefits Of Ductless Mini-Split Installation

Ductless mini-splits take advantage of cutting-edge HVAC technology to provide a range of notable benefits, such as:

  • Some of the highest energy efficiency ratings on the market, particularly with mini-splits that are also heat pumps
  • Quiet operation that won’t disturb sensitive people while they work or sleep
  • Zoning capabilities, meaning you can remotely and independently control each unit so that you don’t waste energy on spaces that aren’t being used, and individuals can experience their preferred level of comfort
  • Low maintenance for homeowners — schedule annual ductless AC maintenance or twice-a-year maintenance for ductless heat pumps, and your system will keep running as it should
  • Small, wall-mounted units that save space

Getting the Most Out of Your Ductless AC Installation

Installing a ductless mini-split is more than just adding a new cooling system—it’s an investment in comfort, efficiency, and control. In Evansville, Louisville, and surrounding Kentuckiana communities, these systems are especially valuable for homes without existing ductwork or for areas that need independent temperature control. Whether it’s a sunroom that gets too warm in the summer or a converted attic that needs consistent cooling, a ductless setup can provide the right solution without costly renovations.

Working with an experienced installer ensures that your system is sized correctly, positioned for optimal airflow, and set up to deliver reliable performance for years to come. The right installation not only improves comfort but also helps the unit run efficiently, lowering energy use and reducing wear on components. Over time, this can mean fewer service calls and a longer system lifespan.

Once your ductless AC is in place, regular maintenance is key to keeping it performing at its best. Seasonal cleanings, inspections, and filter changes will help maintain energy efficiency, protect indoor air quality, and ensure the system is ready to handle both hot and humid summer days. With professional installation and proper care, your ductless mini-split can provide dependable comfort year after year.

Why Choose A+ Derr?

When you’re ready to upgrade to ductless AC, call A+ Derr for your mini-split installation. Our fourth-generation, family-owned HVAC company has been pleased to serve Owensboro, Louisville, Evansville, Newburgh, Henderson, and surrounding areas for almost 50 years. We deliver high-grade workmanship and customer service from decades of experience.

To make you another happy A+ Derr customer, we guarantee your 100% satisfaction. Not only do we offer free service call estimates and replacement quotes, but if you aren’t happy with your new ductless AC installation after one year, we’ll buy it back!

Call A+ Derr Heating and Cooling or contact us online to make a plan for your ductless mini-split installation today!

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What To Expect

Discover The A+ Derr Difference

24/7 Heating & Cooling Repairs

Heating and cooling emergencies can happen on nights, weekends, and holidays, so you can trust us to be there no matter when you need us.

Licensed & Experienced Technicians

Our experts have the expertise and training to deliver the highest quality services every time.

100% Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every HVAC service we perform.

Servicing All Major Makes & Models Of Equipment

We are a Lennox Premier Dealer and also service on all makes and models of equipment, including Goodman, Amana, Carrier, Trane, Rheem & more!

Locally Owned & Operated

Since we’re based in Kentuckiana, we know the needs of Evansville, Louisville, and surrounding communities.

50+ Years in Business

For over 50 years, A+ Derr has provided high-quality service, products, and results for Kentuckiana's residents.

24/7 Heating & Cooling Repairs

Heating and cooling emergencies can happen on nights, weekends, and holidays, so you can trust us to be there no matter when you need us.

Licensed & Experienced Technicians

Our experts have the expertise and training to deliver the highest quality services every time.

100% Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every HVAC service we perform.

Servicing All Major Makes & Models Of Equipment

We are a Lennox Premier Dealer and also service on all makes and models of equipment, including Goodman, Amana, Carrier, Trane, Rheem & more!

Locally Owned & Operated

Since we’re based in Kentuckiana, we know the needs of Evansville, Louisville, and surrounding communities.

50+ Years in Business

For over 50 years, A+ Derr has provided high-quality service, products, and results for Kentuckiana's residents.

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Our Reviews

See What Your Neighbors Are Saying

I would recommend A+ Derr and their staff any day! Best service I have ever had! Go to them for your Heating and Cooling needs. You will not be disappointed.

Barbara C.

Barbara C.

Very good service. Knowledgeable HVAC experts always keeping us cool in the summer and warm all winter. This is a great team of professionals from start to finish.

Craig B.

Craig B.

Amazing level of courtesy and professionalism. Communication was great and the price was more than reasonable. Highly recommend.

Chip M.

Chip M.

Guys came and installed two full systems at the house. Respectful, cleaned up after themselves and answered any and all questions. Thank you again!! Definitely recommend!

Jason H.

Jason H.

Very knowledgeable and courteous. Toured me through all the functions of the new unit. Completed work very neatly and respectfully. Would recommend to anyone.

Derek S.

Derek S.