Rockport’s Experts for HVAC, Plumbing & Electrical Services - 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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Rockport’s Experts for HVAC, Plumbing & Electrical Services

Whole-Home generator

When something in your home suddenly stops working, whether it’s your AC blowing warm air on a sweltering afternoon, a faucet that won’t stop leaking, or a light switch that’s mysteriously dead, it’s more than just an inconvenience. It disrupts your whole day, adds stress, and leaves you wondering who to trust to fix it fast and right. That’s where A+ Derr Heating, Cooling, Plumbing, & Electrical comes in. We’re not a faceless franchise—we’re your neighbors and we believe that doing honest, quality work while treating your home with care isn’t a bonus, it’s the bare minimum. Whether we’re repairing a furnace, replacing a panel, or installing a new water heater, call our team today at 833-232-4328 or contact us online for more information. 

Reliable Plumbing Services in Rockport, IN

From sudden leaks to that slow drain you’ve been ignoring, plumbing issues have a way of showing up when you least expect them. At A+ Derr, we handle everything from small repairs to full plumbing upgrades with care and confidence.

  • Water Heater Repairs & Installations: Hot water shouldn’t be optional. We repair aging systems and install modern tank or tankless models to keep showers warm and laundry running smoothly.
  • Sump Pump Services: Heavy rains are no match for a dependable sump pump. We install and maintain systems that help keep your basement safe and dry.
  • Fixture & Remodel Plumbing: Remodeling or just upgrading? We install faucets, showerheads, and toilets with the kind of attention to detail you expect from pros.
  • Leak Detection & Pipe Fixes: That drip you hear might be wasting more water than you think. We find hidden leaks quickly and repair them without tearing up your whole home.
  • Garbage Disposal Repairs: A jammed or broken disposal can stop your kitchen cold. We get it repaired—or replaced—fast.
  • Drain Cleaning & Sewer Repairs: Whether it’s a slow sink or a smelly backup, we clear clogs and restore flow with tools built to go the distance.

Cooling Services for Rockport Summers

If you’ve ever tried to sleep through a Rockport summer night without AC, you know how stifling it can get. The heat hangs in the air, the humidity clings to everything, and fans just don’t cut it. That’s when having a dependable cooling system—and a team you trust to fix or replace it—really matters. At A+ Derr, we don’t just install air conditioners in Rockport; we restore your home’s comfort when you need it most.

  • AC Repairs: When your system’s blowing warm air or barely moving at all, we’ll troubleshoot the issue and get your cool air flowing again—so you can stop sweating through the day (and night).
  • AC Installation & Replacement: Still holding onto an old unit that struggles every summer? We’ll help you find and install a high-efficiency model that fits your home, lifestyle, and budget.
  • Ductless Cooling Systems: No ductwork? No problem. Ductless mini-splits give you zoned comfort in garages, upstairs rooms, and additions—without tearing into walls.
  • Seasonal Maintenance & Tune-Ups: Just like your car, your AC needs a little TLC to perform its best. Our tune-ups catch minor issues early, help you save energy, and extend your system’s life.

Heating Services Built for Indiana Winters

Rockport winters don’t follow the rules. One week you’re in a hoodie, the next you’re waking up to frozen pipes and icy winds. That’s why having a reliable heating system—and a local team that knows exactly how to keep it running—is more than a luxury. It’s a must. At A+ Derr, we help Rockport homes stay warm, efficient, and worry-free all winter long with fast, friendly service built for Indiana’s wild weather patterns.

Furnace Repair & Installation

When your furnace starts acting up—or stops working altogether—we’re ready to jump in. We repair all major brands and install reliable, energy-efficient models that keep you warm even during Rockport’s coldest snaps.

Boiler Repair & Service

Got a Rockport boiler system heating your home? Whether it’s radiant floors or old-school radiators, we provide expert service and maintenance to keep things running smoothly.

Heat Pump Installation & Maintenance

Heat pumps are an energy-saving hero in our unpredictable climate. We install and maintain units that deliver efficient heating in the winter and cooling in the summer.

Geothermal Heating Systems

Want long-term savings and a smaller environmental footprint? Our geothermal systems use the earth’s stable temperature to keep your home cozy while cutting down on energy bills.

Emergency Heating Services in Rockport

No heat in the middle of the night? We’ve got you. Our 24/7 emergency service ensures your family stays safe and warm—whenever the problem hits.

Rockport Electrical Services—Safe, Smart, Reliable

Electrical Installation

Electricity powers almost everything you rely on—but when something’s off, it’s more than an inconvenience. The licensed Rockport electricians at A+ Derr bring safety, quality, and peace of mind to every job.

  • Lighting Installation: Brighten your home, highlight your landscaping, or make your driveway safer. We install everything from cozy recessed lighting to motion-sensor floodlights in Rockport.
  • Service Upgrades: From adding more circuits to replacing outdated wiring, our service upgrades ensure your electrical system can keep pace with today’s power demands.
  • Equipment Repair: Have outlets that don’t work or lights that flicker for no reason? We troubleshoot and repair aging electrical components to restore safety and performance.
  • Light Commercial Services: Own or manage a small business in Rockport? We offer light commercial electrical services tailored to storefronts, offices, and multi-use buildings—keeping your business powered and compliant.
  • EV Charger Setup: Tired of slow charging from a basic wall outlet? We install efficient, Level 2 EV chargers so you can fully recharge at home.
  • Whole-House Surge Protection: One lightning strike or grid hiccup can fry everything from your smart TV to your refrigerator. We install surge protection that guards your whole home.
  • Outlet & Switch Installation: Want smart switches or USB-friendly outlets? We install and upgrade the connections that power your day-to-day.
  • Backup Generator Installations: When the power goes out, your lights, heat, and fridge don’t have to. We install standby generators sized for your household’s real needs.
  • Breaker Panel Upgrades in Rockport: Old panel struggling to keep up? We upgrade electrical panels to safely support modern technology, appliances, and lifestyles.

Indoor Air Quality Services in Rockport

It’s easy to focus on the thermostat, but comfort is also about the air you breathe. From dust that never settles to indoor air that feels stale or dry, the quality of your air affects how you feel every day. At A+ Derr, we help Rockport families enjoy cleaner, healthier, and better-balanced air—because true comfort goes beyond just heating and cooling.

  • Whole-Home Air Purifiers: Say goodbye to sneezing fits and musty indoor air. Our air purifiers capture dust, pet dander, and even bacteria—so every breath you take at home feels fresher and healthier.
  • Humidity Control: Rockport weather swings from bone-dry winters to muggy summers. We install whole-home humidifiers and dehumidifiers that balance moisture levels so your skin, furniture, and lungs feel the difference.
  • Duct Sealing & Cleaning: Ductwork often hides the biggest energy wasters in your home. We remove years of buildup and seal leaks to improve your airflow, air quality, and HVAC efficiency all at once.
  • Filter Upgrades: Not all air filters are created equal. We help you choose high-efficiency filters that trap more allergens and pollutants without choking your system’s airflow.

Ready for Real Relief? Schedule Your Rockport Home Service Today

Whether it’s a clogged drain, a broken AC, or a panel that’s past its prime, A+ Derr Heating, Cooling, Plumbing, & Electrical is the hometown crew you can trust in Rockport, IN. Call 833-232-4328 today or contact us online and let us take the stress out of home repairs.

Recent Jobs and Reviews in Rockport, IN

Job Locations and Reviews

Completed annual Gold Level maintenance on mini-split system installed in 12/2025 at dog grooming shop. Conducted diagnostic testing using UEi digital meter on the air handling components and inspected the DiversiTech junction box and electrical connections. System operating within normal parameters; customer confirmed for renewal of service plan.
Completed annual Gold Level maintenance on mini-split system installed in 12/2025 at dog grooming shop. Conducted diagnostic testing using UEi digital meter on the air handling components and inspected the DiversiTech junction box and electrical connections. System operating within normal parameters; customer confirmed for renewal of service plan.
Brent D.
Brent D. Checked in
Completed annual Gold Level maintenance on mini-split system installed in 12/2025 at dog grooming shop. Conducted diagnostic testing using UEi digital meter on the air handling components and inspected the DiversiTech junction box and electrical connections. System operating within normal parameters; customer confirmed for renewal of service plan.
Rockport, IN 47635
Rockport, IN - Diagnosed intermittent heating issue on 5-year-old system where furnace would operate but fail to reach setpoint temperature (58°F actual vs 66°F requested). Inspection of control board and wiring connections revealed faulty circuit board causing improper cycling. Replaced control module and verified proper operation with complete heating cycle, confirming system now maintains requested temperature.
Cole C.
Cole C. Checked in
Diagnosed intermittent heating issue on 5-year-old system where furnace would operate but fail to reach setpoint temperature (58°F actual vs 66°F requested). Inspection of control board and wiring connections revealed faulty circuit board causing improper cycling. Replaced control module and verified proper operation with complete heating cycle, confirming system now maintains requested temperature.
Rockport, IN 47635
Completed annual Gold Level maintenance on a 5+ year old HVAC system. Performed comprehensive inspection of furnace components including circuit board, wiring connections, and gas line. Examined heat exchanger for proper operation and cleaned burner assembly to ensure optimal performance.
Completed annual Gold Level maintenance on a 5+ year old HVAC system. Performed comprehensive inspection of furnace components including circuit board, wiring connections, and gas line. Examined heat exchanger for proper operation and cleaned burner assembly to ensure optimal performance.
Francis I.
Francis I. Checked in
Completed annual Gold Level maintenance on a 5+ year old HVAC system. Performed comprehensive inspection of furnace components including circuit board, wiring connections, and gas line. Examined heat exchanger for proper operation and cleaned burner assembly to ensure optimal performance.
Rockport, IN 47635
Conducted comprehensive assessment of deteriorated plumbing infrastructure, documenting significant ceiling damage likely caused by leaking shower supply lines. Evaluated existing PVC drainage system showing visible cracks and structural issues. Prepared estimate for complete shower line replacement and conversion of single vanity to double sink configuration, including necessary drainage modifications and structural repairs to affected ceiling areas.
Conducted comprehensive assessment of deteriorated plumbing infrastructure, documenting significant ceiling damage likely caused by leaking shower supply lines. Evaluated existing PVC drainage system showing visible cracks and structural issues. Prepared estimate for complete shower line replacement and conversion of single vanity to double sink configuration, including necessary drainage modifications and structural repairs to affected ceiling areas.
Kyle D.
Kyle D. Checked in
Conducted comprehensive assessment of deteriorated plumbing infrastructure, documenting significant ceiling damage likely caused by leaking shower supply lines. Evaluated existing PVC drainage system showing visible cracks and structural issues. Prepared estimate for complete shower line replacement and conversion of single vanity to double sink configuration, including necessary drainage modifications and structural repairs to affected ceiling areas.
Rockport, IN 47635
Rockport, IN - Performed diagnostic assessment on a 10+ year old heating system in an unoccupied secondary building. Inspection revealed the furnace had power and would activate but failed to distribute heated air through the vents. System was successfully repaired and restored to proper operation, ensuring adequate heat production and distribution throughout the building.
Cole C.
Cole C. Checked in
Performed diagnostic assessment on a 10+ year old heating system in an unoccupied secondary building. Inspection revealed the furnace had power and would activate but failed to distribute heated air through the vents. System was successfully repaired and restored to proper operation, ensuring adequate heat production and distribution throughout the building.
Rockport, IN 47635
Performed annual planned maintenance on HVAC system (installation date 11/12/25). Inspected smart thermostat functionality and Wi-Fi connectivity, confirming proper operation with network "ATT175R/82." Examined utility closet heating unit, checked all connections and control panels, and replaced 20x25x5 air filters.
Performed annual planned maintenance on HVAC system (installation date 11/12/25). Inspected smart thermostat functionality and Wi-Fi connectivity, confirming proper operation with network "ATT175R/82." Examined utility closet heating unit, checked all connections and control panels, and replaced 20x25x5 air filters.
Jacob D.
Jacob D. Checked in
Performed annual planned maintenance on HVAC system (installation date 11/12/25). Inspected smart thermostat functionality and Wi-Fi connectivity, confirming proper operation with network "ATT175R/82." Examined utility closet heating unit, checked all connections and control panels, and replaced 20x25x5 air filters.
Rockport, IN 47635
Responded to no heat complaint in residence with 6-year-old system. Diagnostic revealed failed control board preventing furnace startup sequence, resulting in no airflow through vents. Replaced main control board, tested system operation through multiple heating cycles, and confirmed proper airflow restoration with temperature rise within manufacturer specifications.
Responded to no heat complaint in residence with 6-year-old system. Diagnostic revealed failed control board preventing furnace startup sequence, resulting in no airflow through vents. Replaced main control board, tested system operation through multiple heating cycles, and confirmed proper airflow restoration with temperature rise within manufacturer specifications.
Jeff J.
Jeff J. Checked in
Responded to no heat complaint in residence with 6-year-old system. Diagnostic revealed failed control board preventing furnace startup sequence, resulting in no airflow through vents. Replaced main control board, tested system operation through multiple heating cycles, and confirmed proper airflow restoration with temperature rise within manufacturer specifications.
Rockport, IN 47635
Rockport, IN - Conducted site assessment and provided comprehensive quote for HVAC system replacement. Documented existing equipment condition, noting visible corrosion at copper pipe connections and deteriorated flexible conduit requiring attention during replacement. Photographed current installation to support estimate development.
Cole C.
Cole C. Checked in
Conducted site assessment and provided comprehensive quote for HVAC system replacement. Documented existing equipment condition, noting visible corrosion at copper pipe connections and deteriorated flexible conduit requiring attention during replacement. Photographed current installation to support estimate development.
Rockport, IN 47635
Completed planned maintenance service on Gold Level Home with three minisplit systems. Inspected all units, replaced filters, and verified proper operation of each system. Documented exterior equipment condition including outdoor units and electrical connections. Customer due for annual maintenance renewal; previous service was completed as scheduled.
Completed planned maintenance service on Gold Level Home with three minisplit systems. Inspected all units, replaced filters, and verified proper operation of each system. Documented exterior equipment condition including outdoor units and electrical connections. Customer due for annual maintenance renewal; previous service was completed as scheduled.
Cole C.
Cole C. Checked in
Completed planned maintenance service on Gold Level Home with three minisplit systems. Inspected all units, replaced filters, and verified proper operation of each system. Documented exterior equipment condition including outdoor units and electrical connections. Customer due for annual maintenance renewal; previous service was completed as scheduled.
Rockport, IN 47635
Responded to no heat service call for a 6-year-old heat pump system. Inspection revealed system was not automatically switching to emergency heat mode due to an error message. Verified breakers were operational, then instructed homeowner on proper manual engagement of emergency heat function. Visual inspection of furnace and evaporator coil showed normal condition with some dust accumulation on coils.
Responded to no heat service call for a 6-year-old heat pump system. Inspection revealed system was not automatically switching to emergency heat mode due to an error message. Verified breakers were operational, then instructed homeowner on proper manual engagement of emergency heat function. Visual inspection of furnace and evaporator coil showed normal condition with some dust accumulation on coils.
Cole C.
Cole C. Checked in
Responded to no heat service call for a 6-year-old heat pump system. Inspection revealed system was not automatically switching to emergency heat mode due to an error message. Verified breakers were operational, then instructed homeowner on proper manual engagement of emergency heat function. Visual inspection of furnace and evaporator coil showed normal condition with some dust accumulation on coils.
Rockport, IN 47635
Responded to service call for 20-year-old furnace with reported misfire noise and cycling issues. Upon inspection of the aging system, found the heat exchanger had developed significant deterioration causing the operational problems. Recommended replacement of the unit due to safety concerns and the advanced age of the equipment.
Responded to service call for 20-year-old furnace with reported misfire noise and cycling issues. Upon inspection of the aging system, found the heat exchanger had developed significant deterioration causing the operational problems. Recommended replacement of the unit due to safety concerns and the advanced age of the equipment.
Cole C.
Cole C. Checked in
Responded to service call for 20-year-old furnace with reported misfire noise and cycling issues. Upon inspection of the aging system, found the heat exchanger had developed significant deterioration causing the operational problems. Recommended replacement of the unit due to safety concerns and the advanced age of the equipment.
Rockport, IN 47635
Rockport, IN - Performed annual maintenance on 1-year-old HVAC system during second scheduled visit. Replaced 16x25x5 filter as required. Discovered significant corrosion inside condensate drain pipe that required cleaning to prevent potential blockage and system failure. Service renewal has been processed as requested.
Francis I.
Francis I. Checked in
Performed annual maintenance on 1-year-old HVAC system during second scheduled visit. Replaced 16x25x5 filter as required. Discovered significant corrosion inside condensate drain pipe that required cleaning to prevent potential blockage and system failure. Service renewal has been processed as requested.
Rockport, IN 47635
Rockport, IN - Performed scheduled maintenance on Navien tankless water heater system as part of recurring Bronze Plan service. Flushed unit to remove mineral buildup and sediment, ensuring optimal heat transfer efficiency. Verified proper operation with temperature set at 127°F and confirmed all controls functioning correctly.
Kyle D.
Kyle D. Checked in
Performed scheduled maintenance on Navien tankless water heater system as part of recurring Bronze Plan service. Flushed unit to remove mineral buildup and sediment, ensuring optimal heat transfer efficiency. Verified proper operation with temperature set at 127°F and confirmed all controls functioning correctly.
Rockport, IN 47635
Successfully installed a new Sterling 30,000 grain water softener system, replacing the previous unit. Connected the system to existing water lines using copper piping with appropriate valves and pressure gauge. Completed all electrical connections, established proper condensate drainage, and filled the unit with salt to operational levels per manufacturer specifications.
Successfully installed a new Sterling 30,000 grain water softener system, replacing the previous unit. Connected the system to existing water lines using copper piping with appropriate valves and pressure gauge. Completed all electrical connections, established proper condensate drainage, and filled the unit with salt to operational levels per manufacturer specifications.
Kyle D.
Kyle D. Checked in
Successfully installed a new Sterling 30,000 grain water softener system, replacing the previous unit. Connected the system to existing water lines using copper piping with appropriate valves and pressure gauge. Completed all electrical connections, established proper condensate drainage, and filled the unit with salt to operational levels per manufacturer specifications.
Rockport, IN 47635
Investigated reported water pooling around recently installed water heater. Inspected all copper pipe connections and fittings for leaks. Found minor seepage at brass valve assembly which was tightened and leak-tested. Purged remaining air from lines to resolve customer's concern about air in hot water system.
Investigated reported water pooling around recently installed water heater. Inspected all copper pipe connections and fittings for leaks. Found minor seepage at brass valve assembly which was tightened and leak-tested. Purged remaining air from lines to resolve customer's concern about air in hot water system.
Kyle D.
Kyle D. Checked in
Investigated reported water pooling around recently installed water heater. Inspected all copper pipe connections and fittings for leaks. Found minor seepage at brass valve assembly which was tightened and leak-tested. Purged remaining air from lines to resolve customer's concern about air in hot water system.
Rockport, IN 47635
Performed on-site assessment of existing water softener system that shows signs of aging and mineral buildup. Examined current installation including copper supply lines, pressure regulation, and connection points. Prepared comprehensive quote for replacement of water softener unit, maintaining compatibility with current plumbing configuration and ensuring minimal modification to existing supply lines.
Performed on-site assessment of existing water softener system that shows signs of aging and mineral buildup. Examined current installation including copper supply lines, pressure regulation, and connection points. Prepared comprehensive quote for replacement of water softener unit, maintaining compatibility with current plumbing configuration and ensuring minimal modification to existing supply lines.
Kyle D.
Kyle D. Checked in
Performed on-site assessment of existing water softener system that shows signs of aging and mineral buildup. Examined current installation including copper supply lines, pressure regulation, and connection points. Prepared comprehensive quote for replacement of water softener unit, maintaining compatibility with current plumbing configuration and ensuring minimal modification to existing supply lines.
Rockport, IN 47635
Successfully installed a new State ProLine water heater with blue expansion tank in the utility area, ensuring proper connection of all copper supply lines. Also serviced the washing machine hookup area, replacing the corrugated drain hose and inspecting the water supply valve for proper operation.
Successfully installed a new State ProLine water heater with blue expansion tank in the utility area, ensuring proper connection of all copper supply lines. Also serviced the washing machine hookup area, replacing the corrugated drain hose and inspecting the water supply valve for proper operation.
Kyle D.
Kyle D. Checked in
Successfully installed a new State ProLine water heater with blue expansion tank in the utility area, ensuring proper connection of all copper supply lines. Also serviced the washing machine hookup area, replacing the corrugated drain hose and inspecting the water supply valve for proper operation.
Rockport, IN 47635
Completed planned maintenance on 9-year-old Platinum Level HVAC system (single unit). Inspected ductwork revealing significant debris accumulation and deteriorated insulation material within circular ducts. Discovered dust buildup in structural cavities with possible rust formation on metal components. Replaced 30x32x2 filter and documented system condition for follow-up on customer's second maintenance visit.
Completed planned maintenance on 9-year-old Platinum Level HVAC system (single unit). Inspected ductwork revealing significant debris accumulation and deteriorated insulation material within circular ducts. Discovered dust buildup in structural cavities with possible rust formation on metal components. Replaced 30x32x2 filter and documented system condition for follow-up on customer's second maintenance visit.
Cole C.
Cole C. Checked in
Completed planned maintenance on 9-year-old Platinum Level HVAC system (single unit). Inspected ductwork revealing significant debris accumulation and deteriorated insulation material within circular ducts. Discovered dust buildup in structural cavities with possible rust formation on metal components. Replaced 30x32x2 filter and documented system condition for follow-up on customer's second maintenance visit.
Rockport, IN 47635
Completed estimate for whole home water softener installation. Assessed current plumbing configuration including existing water heater and supply lines. Documented available space for equipment placement and identified appropriate connection points for the proposed softener system.
Completed estimate for whole home water softener installation. Assessed current plumbing configuration including existing water heater and supply lines. Documented available space for equipment placement and identified appropriate connection points for the proposed softener system.
Kyle D.
Kyle D. Checked in
Completed estimate for whole home water softener installation. Assessed current plumbing configuration including existing water heater and supply lines. Documented available space for equipment placement and identified appropriate connection points for the proposed softener system.
Rockport, IN 47635
Performed planned seasonal HVAC maintenance including system inspection and calibration check of the Lennox thermostat (Model 107088-01, SN: BT24J52813). Verified equipment leveling using spirit level to ensure proper operation and condensate drainage. All systems functioning within normal parameters; no issues identified.
Performed planned seasonal HVAC maintenance including system inspection and calibration check of the Lennox thermostat (Model 107088-01, SN: BT24J52813). Verified equipment leveling using spirit level to ensure proper operation and condensate drainage. All systems functioning within normal parameters; no issues identified.
Brent D.
Brent D. Checked in
Performed planned seasonal HVAC maintenance including system inspection and calibration check of the Lennox thermostat (Model 107088-01, SN: BT24J52813). Verified equipment leveling using spirit level to ensure proper operation and condensate drainage. All systems functioning within normal parameters; no issues identified.
Rockport, IN 47635
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.