Your Ferdinand Home Comfort Specialists: Heating, Cooling, Plumbing & Electrical - A+ Derr Heating & Cooling
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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Your Ferdinand Home Comfort Specialists: Heating, Cooling, Plumbing & Electrical

Electrical Repair in Lexington

Ferdinand, IN, is the kind of town where neighbors wave hello, front porches get plenty of use, and people take pride in taking care of their homes. But when the furnace goes out during a cold snap or your AC starts blowing warm air in July, home comfort suddenly becomes top priority. That’s when it helps to know you’ve got a reliable, local team just a phone call away.

At A+ Derr Heating, Cooling, Plumbing & Electrical, we understand how important it is to keep things running smoothly. We’ve been serving Southern Indiana families for years, handling everything from no-heat calls and clogged drains to system upgrades and energy-efficient installations. Whatever’s going on behind your walls, we’re here to make your life easier—with fast response times, honest advice, and workmanship you can count on. Give our team a call at 833-232-4328 or contact us online for more information. 

Rooted in Ferdinand, Focused on What Matters Most

We’re not a big, faceless franchise. We’re a local team with deep roots in towns like Ferdinand. We understand what homes here need because we’ve worked on just about every kind—from cozy bungalows to sprawling farmhouses. Our technicians are part of your community, and we take pride in treating every customer like a neighbor, not a number.

When you call A+ Derr, you get honest answers, clear pricing, and top-quality service backed by years of hands-on experience.

Stay Cool With Expert Air Conditioning Services in Ferdinand

Summers in Ferdinand can be hot, humid, and downright uncomfortable without the right cooling system. We specialize in keeping your home cool and your energy bills in check with efficient air conditioning services you can rely on:

Reliable Heating for Chilly Ferdinand Winters

When the temperature drops, you need a heating system that won’t let you down. Whether you heat with a furnace, boiler, or heat pump, we’ll keep your home cozy and efficient all winter long:

Plumbing in Ferdinand That Works as Hard as You Do

A dripping faucet or clogged drain might seem small—until it isn’t. Plumbing problems can escalate fast, so we respond even faster. Our licensed Ferdinand plumbers bring clean, courteous service to every job, big or small:

Safe, Code-Compliant Electrical Services in Ferdinand

Electrical Installation

Electricity powers your daily life—but when something’s off, it can be more than just inconvenient. We bring expert-level knowledge and careful craftsmanship to every electrical project, ensuring your home is safe, functional, and future-ready:

Why Homeowners in Ferdinand Choose A+ Derr

We know you have choices when it comes to HVAC, plumbing, and electrical companies in Ferdinand. But here’s what makes us stand out:

  • We’re Local: We know Ferdinand homes and treat every customer like a neighbor.
  • We’re Transparent: No pushy upsells, no surprise fees—just honest answers and fair pricing.
  • We’re Dependable: From the first phone call to the final walkthrough, we show up on time and get the job done right.
  • We’re Respectful: Our team works clean, protects your space, and always puts your needs first.

Call A+ Derr Today for Trusted Home Services in Ferdinand, IN

Your home deserves the best—and that’s what we deliver at A+ Derr Heating, Cooling, Plumbing & Electrical. Whether it’s a weekend plumbing emergency or a full HVAC system replacement, you can count on us to show up, solve the problem, and leave your home better than we found it.

Call 833-232-4328 today or reach out online to schedule an appointment or request a free quote. We’re proud to serve Ferdinand with service that’s professional, personable, and always A+.

Recent Jobs and Reviews in Ferdinand, IN

Job Locations and Reviews

Ferdinand, IN - Responded to no heat call on 6-year-old system with no airflow and complete system failure. Upon arrival, performed diagnostic assessment to determine cause of non-operation. Verified no power to unit and traced issue to system lockout condition. Successfully restored heating operation and confirmed proper airflow through all registers.
Ricky B.
Ricky B. Checked in
Responded to no heat call on 6-year-old system with no airflow and complete system failure. Upon arrival, performed diagnostic assessment to determine cause of non-operation. Verified no power to unit and traced issue to system lockout condition. Successfully restored heating operation and confirmed proper airflow through all registers.
Ferdinand, IN 47532
Performed follow-up inspection on recently installed HVAC system following customer report of alarm 430 (OU inverter compressor start up fail). Verified system status and documented active alerts including Alert code 433 (Compressor Overcurrent) on the thermostat display. Diagnosed issue with outdoor unit inverter compressor and performed necessary adjustments to resolve startup failure and overcurrent conditions.
Performed follow-up inspection on recently installed HVAC system following customer report of alarm 430 (OU inverter compressor start up fail). Verified system status and documented active alerts including Alert code 433 (Compressor Overcurrent) on the thermostat display. Diagnosed issue with outdoor unit inverter compressor and performed necessary adjustments to resolve startup failure and overcurrent conditions.
Brent D.
Brent D. Checked in
Performed follow-up inspection on recently installed HVAC system following customer report of alarm 430 (OU inverter compressor start up fail). Verified system status and documented active alerts including Alert code 433 (Compressor Overcurrent) on the thermostat display. Diagnosed issue with outdoor unit inverter compressor and performed necessary adjustments to resolve startup failure and overcurrent conditions.
Ferdinand, IN 47532
Performed scheduled Gold Level maintenance on 6-year-old HVAC system (second visit). Inspected evaporator coil which showed signs of condensation accumulation, and examined motor assembly with cooling fins. Replaced 20x25x5 home filter and documented component conditions with photos for service record.
Performed scheduled Gold Level maintenance on 6-year-old HVAC system (second visit). Inspected evaporator coil which showed signs of condensation accumulation, and examined motor assembly with cooling fins. Replaced 20x25x5 home filter and documented component conditions with photos for service record.
Francis I.
Francis I. Checked in
Performed scheduled Gold Level maintenance on 6-year-old HVAC system (second visit). Inspected evaporator coil which showed signs of condensation accumulation, and examined motor assembly with cooling fins. Replaced 20x25x5 home filter and documented component conditions with photos for service record.
Ferdinand, IN 47532
Ferdinand, IN - Successfully installed a 3-ton mini-split system with 3 indoor heads as part of a RED financing package. Mounted one air handler on an upper-level room wall with proper clearance and alignment. System was fully tested and is operating within manufacturer specifications.
Adam M.
Adam M. Checked in
Successfully installed a 3-ton mini-split system with 3 indoor heads as part of a RED financing package. Mounted one air handler on an upper-level room wall with proper clearance and alignment. System was fully tested and is operating within manufacturer specifications.
Ferdinand, IN 47532
Conducted maintenance visit and consulted with customer regarding mini split installation options for upstairs area. Inspected both interior space (home office/gaming room) and exterior access points including basement entrance with concrete stairwell. Customer expressed interest in cooling solution for second floor.
Conducted maintenance visit and consulted with customer regarding mini split installation options for upstairs area. Inspected both interior space (home office/gaming room) and exterior access points including basement entrance with concrete stairwell. Customer expressed interest in cooling solution for second floor.
Francis I.
Francis I. Checked in
Conducted maintenance visit and consulted with customer regarding mini split installation options for upstairs area. Inspected both interior space (home office/gaming room) and exterior access points including basement entrance with concrete stairwell. Customer expressed interest in cooling solution for second floor.
Ferdinand, IN 47532
Responded to no heat call for 9-10 year old system. Diagnostic testing with infrared thermometer confirmed cold air flowing through vents. Removed and replaced faulty ignitor assembly which was preventing proper heating function. System now operating correctly with normal temperature output.
Responded to no heat call for 9-10 year old system. Diagnostic testing with infrared thermometer confirmed cold air flowing through vents. Removed and replaced faulty ignitor assembly which was preventing proper heating function. System now operating correctly with normal temperature output.
Francis I.
Francis I. Checked in
Responded to no heat call for 9-10 year old system. Diagnostic testing with infrared thermometer confirmed cold air flowing through vents. Removed and replaced faulty ignitor assembly which was preventing proper heating function. System now operating correctly with normal temperature output.
Ferdinand, IN 47532
Performed scheduled 6-month maintenance including replacement of 16x25x5 filter. Inspected PCB control board and connections for proper operation. Investigated noise complaint from outdoor unit, finding no abnormal operating conditions. Verified thermostat functionality with system maintaining proper temperature (74°) and humidity levels (56%).
Performed scheduled 6-month maintenance including replacement of 16x25x5 filter. Inspected PCB control board and connections for proper operation. Investigated noise complaint from outdoor unit, finding no abnormal operating conditions. Verified thermostat functionality with system maintaining proper temperature (74°) and humidity levels (56%).
Jacob D.
Jacob D. Checked in
Performed scheduled 6-month maintenance including replacement of 16x25x5 filter. Inspected PCB control board and connections for proper operation. Investigated noise complaint from outdoor unit, finding no abnormal operating conditions. Verified thermostat functionality with system maintaining proper temperature (74°) and humidity levels (56%).
Ferdinand, IN 47532
Completed second annual maintenance visit on 9-month-old HVAC system. Replaced 20x25x5 filters, performed standard system inspection with panel access to verify proper operation and connections. Customer confirmed renewal of annual maintenance agreement.
Completed second annual maintenance visit on 9-month-old HVAC system. Replaced 20x25x5 filters, performed standard system inspection with panel access to verify proper operation and connections. Customer confirmed renewal of annual maintenance agreement.
Francis I.
Francis I. Checked in
Completed second annual maintenance visit on 9-month-old HVAC system. Replaced 20x25x5 filters, performed standard system inspection with panel access to verify proper operation and connections. Customer confirmed renewal of annual maintenance agreement.
Ferdinand, IN 47532
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.

Review Image
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.