Evansville IN HVAC, Plumbing & Electrical Services | A+ Derr
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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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Heating, Cooling, Plumbing & Electrical Services in Evansville, IN

 

Evansville Service Overview

  • Serving Evansville & the Tri-State Area: A+ Derr provides complete multi-trade services across ZIP codes 47710, 47711, 47714, 47715, and 47720, supported by our local fleet and nearby Newburgh operation.

  • Four Essential Home Service Trades: Our licensed technicians deliver expert heating, cooling, plumbing, and electrical solutions for older central homes, established subdivisions, and newer builds near USI and UE.

  • Equipped for Ohio River Valley Conditions: We specialize in heavy humidity management, basement drainage solutions, electrical panel upgrades, and sudden freezing winter weather repairs.

 

A home near the Ohio River can face different comfort and moisture concerns than a property near Wesselman Woods or the University of Southern Indiana. Evansville also includes older houses, established subdivisions, apartments, commercial properties, and newer homes across ZIP codes 47710, 47711, 47714, 47715, and 47720.

From aging infrastructure in established neighborhoods to modern systems in newer builds, each property has its own service needs. A+ Derr provides complete heating, cooling, plumbing, and electrical services across Evansville, backed by a large local fleet and support from our nearby Newburgh operation.

“Very respectful and worked fast. Did a fantastic job and took the extra time to explain the thermostat to me because I didn’t understand it.”

Kelly M.

Need an experienced HVAC contractor, plumber, or electrician in Evansville, IN? Call 833-232-4328 or contact us online today!

Heating, Cooling, Plumbing & Electrical Services Built for Evansville, IN

Evansville is a core service market for A+ Derr. Our technicians travel throughout the city each day, often using the Lloyd Expressway to reach west-side homes, east-side neighborhoods, Downtown Evansville, and communities near the Newburgh line.

That regular presence gives our team direct experience with Evansville’s varied housing. Older houses may have limited duct space, dated electrical service, aging pipes, and mechanical systems modified during past renovations. Newer properties may have larger floor plans, greater hot water demand, multiple HVAC zones, and more circuits supporting modern appliances and electronics.

Our connection to the city also extends beyond service calls. A+ Derr supports the Evansville Thunderbolts, the West Side Nut Club Fall Festival, and It Takes a Village, where we sponsor one pet adoption each month.

Real Solutions for Common Evansville Home Dynamics

Problem: Persistent Ohio River Valley humidity during hot summer months makes indoor air feel sticky and warm, even when central AC systems run constantly.

Solution: We install whole-home dehumidifiers, air purifiers, and high-efficiency Lennox air conditioners or variable-speed heat pumps to actively lower moisture levels and regulate temperatures.

Problem: Older homes near Downtown Evansville and the University of Evansville feature compact mechanical rooms, outdated wiring, and aging plumbing lines that struggle to support modern power and water demands.

Solution: A+ Derr performs complete electrical panel upgrades, dedicated appliance circuits, water line repairs, tankless water heater installations, and custom duct balancing.

Problem: Low-lying properties along the Ohio River and low-grade foundations face basement water damage risks during heavy rainstorms.

Solution: Our master plumbers install high-output sump pumps, repair sewer lines, clear stubborn drain blockages, and service complete home drainage systems.

Problem: Southwestern Indiana winters bring sudden shifts from mild fall weather to freezing temperatures, ice, and strong winds, straining older furnaces and heat pumps.

Solution: We provide emergency furnace repairs, ductless mini-split additions, boiler replacements, and preventive winter tune-ups to ensure uninterrupted heating.

Plumbing Help for Evansville Homes of Every Age

Plumbing problems often reflect how a home was built, expanded, or remodeled. Across Evansville, our plumbers work with everything from aging supply lines and older fixtures to modern water heaters and plumbing added during recent renovations.

Plumber fixing white sink pipe with adjustable wrench

A+ Derr provides:

Properties near the Ohio River and lower areas of Evansville may require closer attention to drainage, moisture, and sump pump reliability during heavy rain. Older homes elsewhere in the city may have pipes and drains repaired in stages over several decades. Our plumbers locate the source of the problem and recommend work based on the system’s current condition.

Need an electrical panel upgrade, generator connection, or sump pump repair in Evansville? Contact our multi-trade team at 833-232-4328 today!

Cooling Systems Built for Evansville Humidity

Evansville summers combine high temperatures with heavy Ohio River Valley humidity. Air conditioners must remove heat and moisture, especially during long stretches when warm nights give cooling equipment little time to recover.

Our cooling services include:

Homes near Downtown Evansville and the south side may experience persistent humidity, while larger properties near USI can develop uneven temperatures across wide or multi-level layouts. Houses near Wesselman Woods may also deal with pollen, leaves, and debris around outdoor equipment. A+ Derr checks airflow, insulation, humidity, ductwork, and equipment performance before recommending a solution.

“I had a great experience using this company. From the quote to the install and even the follow-up call the day after, everyone was so nice and professional. AC system that was installed has kept our home at perfect temperature. I can’t say enough about this company and the Lennox system.”

Brad

Electrical Upgrades for Modern Evansville Homes

Many Evansville properties were built before households needed circuits for home offices, smart devices, high-efficiency HVAC systems, electric vehicles, and today’s larger appliances. Renovations and additions can increase demand further, especially when the original electrical service was never upgraded.

A+ Derr provides:

  • Electrical repairs for older homes
  • Wiring for local renovations
  • Panel and meter upgrades
  • Electrical service upgrades
  • New appliance circuits
  • Outlet and switch services
  • EV charger installation
  • Generator services
  • Whole-home surge protection
  • Residential lighting
  • Commercial lighting

A home near the University of Evansville may need new circuits before adding updated HVAC equipment or remodeling a kitchen. Larger properties in 47715 and 47720 may need EV charging, generator support, landscape lighting, or stronger surge protection. Our electricians review the panel, wiring, available capacity, and planned equipment before beginning the installation.

Reliable Heating Through Southwestern Indiana Winters

Evansville winters can shift quickly from mild conditions to freezing temperatures, strong winds, ice, and extended cold. Furnaces and heat pumps that perform normally during fall may develop ignition, airflow, or efficiency problems once demand rises.

Heating services include:

  • Furnace repair during cold spells
  • Heating system installation
  • Heating equipment replacement
  • Preventive winter maintenance
  • Boiler repair and replacement
  • Heat pump services
  • Ductless mini-splits
  • Geothermal systems
  • Emergency heating service
  • Indoor air quality solutions

Older houses near central Evansville may have compact equipment areas, altered ductwork, or rooms added after the original heating system was installed. Larger west-side homes may experience uneven comfort because of long duct runs or changing floor plans. Our technicians test the system, thermostat, airflow, and supporting components to identify what is preventing dependable heat.

Why Evansville Homeowners Choose A+ Derr

Evansville homeowners need a company with the capacity to serve a large city and the expertise to handle several essential systems. A+ Derr combines a strong local fleet with technicians who regularly work throughout Evansville and the surrounding Tri-State area.

Friendly HVAC service team posing together outside office

Customers choose us for:

  • Daily coverage across Evansville
  • Support from our Newburgh hub
  • Four home service trades
  • Experience with varied housing
  • Emergency HVAC assistance
  • Repair and installation options
  • Clear service communication
  • Local community involvement
  • Membership Plans

Our support for the Evansville Thunderbolts, the West Side Nut Club Fall Festival, and It Takes a Village reflects a genuine connection to the city. We remain involved in Evansville beyond the work completed inside local homes.

Schedule Home Services in Evansville, IN

Whether your air conditioner is having trouble keeping up with Evansville’s humid summers, your furnace fails during a sudden cold snap, your sump pump needs service ahead of heavy rainfall, or your electrical panel isn’t equipped to handle a new upgrade, A+ Derr is here to provide dependable solutions.

Our experienced team is prepared to diagnose issues quickly and deliver the services your home needs to stay safe and comfortable year-round. Call 833-232-4328 or contact A+ Derr online today to schedule heating, cooling, plumbing, or electrical service in Evansville, IN.

“Addison and Hunter were absolutely amazing in installing my brand-new HVAC system today! They were very professional and assured us that everything was working exactly as it should. I owe this amazing experience working with these gentlemen to Mr. James Wittgen. He was very helpful throughout the whole process. He went above and beyond to make sure everything went as smooth as possible. I highly recommend this company to anyone who needs anything done to their home. They not only do HVAC. They also install generators, fix plumbing and electrical. Call A+ Derr for all of your household needs!”

Timothy

Serving 47710, 47711, 47714, 47715, 47720, and all surrounding Tri-State areas. Call 833-232-4328 to book your appointment with A+ Derr!

Frequently Asked Questions for Evansville Homeowners

Older properties near Downtown Evansville or the University of Evansville were built before high-demand electrical appliances existed. Modern HVAC systems, EV chargers, or renovated kitchen appliances can overload aging circuits, making panel upgrades essential for safety and reliability.

Ohio River Valley humidity makes homes feel warm even when the thermostat reaches its setting. Installing whole-home dehumidifiers alongside properly sized air conditioners removes excess moisture, improving comfort and lowering utility costs.

Yes. Modern heat pumps provide exceptional heating efficiency during spring and fall and handle low temperatures reliably. Many local homeowners choose dual-fuel setups, combining a heat pump with a furnace for extreme winter cold snaps.

Low-lying areas and properties near the Ohio River experience elevated water tables and heavy storm runoff. Regular sump pump maintenance prevents basement flooding and water damage during heavy rainfall.

We provide daily coverage across 47710, 47711, 47714, 47715, 47720, and surrounding Tri-State neighborhoods, supported by our fleet and Newburgh operations hub.

Total heat or AC loss during severe weather, burning electrical smells, repeated breaker trips, or standing water near electrical and gas appliances require immediate attention. Shut off the unit and call us right away.

Page Updated on August 10, 2026

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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.