Reliable Heating, Cooling, Plumbing & Electrical Services in Chrisney, IN - 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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Reliable Heating, Cooling, Plumbing & Electrical Services in Chrisney, IN

Gas Water Heater

When it comes to keeping your home safe, efficient, and comfortable year-round, A+ Derr Heating, Cooling, Plumbing, & Electrical is the name Southern Indiana homeowners trust. We specialize in a full range of residential home services in Chrisney, including HVAC repair, plumbing installation, and electrical upgrades, designed to handle Indiana’s unique climate and housing needs. With certified professionals, prompt response times, and a reputation built on quality, we bring dependable expertise to homes throughout Chrisney and surrounding Spencer County communities. Call the A+ Derr team today at 833-232-4328 or contact us online to get started. 

Chrisney Plumbing Services You Can trust

Plumbing issues don’t always give you a heads-up. One moment your water’s running fine—and the next, you’re dealing with a mysterious leak or a stubborn clog that won’t clear. At A+ Derr Heating, Cooling, Plumbing, & Electrical, we know how important it is to get things back to normal quickly. Our seasoned plumbers in Chrisney bring precision, experience, and care to every job, ensuring you get long-term results without the hassle.

Professional Heating Services in Chrisney

When winter rolls through southern Indiana, it doesn’t mess around—icy mornings, freezing temps, and wind that cuts right through your coat. That’s when a reliable heating system makes all the difference. At A+ Derr Heating, Cooling, Plumbing, & Electrical, we make sure your home stays warm and comfortable, no matter what the forecast says. A+ Derr’s team of Chrisney HVAC techs delivers dependable heating solutions that keep your family safe and your energy bills in check:

  1. Emergency Heating Repairs: We provide 24/7 service so you’re never left without heat when you need it most.
  2. Furnace Installation & Repair: From emergency repairs to energy-efficient system upgrades, we ensure your home stays warm through the coldest months.
  3. Heat Pump Services: Our dual-function systems offer heating in the winter and cooling in the summer, giving you year-round climate control.
  4. Boiler Repair & Replacement: We maintain and replace boiler systems for even, reliable heat across your home.
  5. Geothermal Heating Systems: Lower your energy bills and reduce your carbon footprint with professionally installed geothermal technology.

Whole-Home Air Conditioning Services in Chrisney

If you’ve lived through a few Indiana summers, you know they come with sticky humidity and relentless heat. That’s why having a dependable air conditioner isn’t a luxury—it’s a must. At A+ Derr, we make sure your AC works when you need it most, keeping your home cool and your energy bills in check with solutions that fit your space, lifestyle, and budget.

AC Repair Services

If your air conditioner is blowing warm air, making strange noises, or failing to turn on, we’ll get to the root of the problem fast. Our repair experts restore cooling performance with minimal disruption to your day.

New AC Installation

Need a replacement system or cooling solution for a new space? We help you choose and install the right air conditioner based on your home’s layout, usage needs, and energy efficiency goals.

Mini-Split AC Systems

Ductless mini-split systems are perfect for garages, sunrooms, additions, and older homes. We install and maintain these energy-efficient systems to give you cooling where you need it most.

Preventive AC Maintenance in Chrisney

Don’t wait for a breakdown. Regular AC maintenance helps lower your energy bills, boosts performance, and extends your unit’s lifespan—all while reducing the risk of surprise repairs.

Powerful Electrical Services for Chrisney Homes

EV Charger Installation

From your refrigerator and oven to your Wi-Fi and home office setup, your electrical system keeps life running smoothly. At A+ Derr Heating, Cooling, Plumbing, & Electrical, we’re here to make sure your wiring, panels, and outlets are not only functional—but safe, up-to-date, and ready for anything modern life demands.

  • Interior & Exterior Lighting: Whether you want to brighten your kitchen or make your backyard safer, our lighting installations enhance both style and security.
  • EV Charger Installation: We install home EV charging stations that are safe, efficient, and compatible with all leading electric vehicle brands.
  • Electrical Panel Upgrades: Keep up with modern power demands by upgrading your old electrical panel. We replace outdated systems with safer, more reliable units.
  • Backup Generator Installation: Never get left in the dark. We install backup generators that automatically keep your essentials running when the power goes out.
  • Service Upgrades: If your home’s electrical system is outdated or struggling to meet the demands of modern life, we offer comprehensive service upgrades that improve safety, performance, and reliability.
  • Equipment Repair: Faulty outlets, damaged wiring, or malfunctioning fixtures? We diagnose and repair electrical equipment quickly to restore safe, uninterrupted function to your home.
  • Light Commercial Electrical Services: Whether you’re running a small storefront, office, or multi-use building in Chrisney, our light commercial services cover installations, upgrades, and repairs tailored to your business’s needs.
  • Outlet & Switch Installations: Need new USB outlets, dimmer switches, or smart controls? We install and upgrade outlets to suit today’s tech-friendly homes.
  • Whole-Home Surge Protection: Shield your electronics from unexpected power surges with integrated surge protection systems designed for full-home coverage.

Breathe Easy Indoor Air Quality Services in Chrisney

You might not always see it, but the air inside your home plays a big role in how you feel every day. From allergies to dry skin and stuffy rooms, poor indoor air quality can affect your health and your comfort. That’s why we offer air quality services designed to help your home feel fresher, cleaner, and easier to breathe in—so every breath is a better one.

  • Air Purification Systems: Allergens, pet dander, and even airborne bacteria don’t stand a chance. Our whole-home purifiers work around the clock to keep the air in your home clean and breathable.
  • Humidity Control: Struggling with dry winter air or sticky summer moisture? Our Chrisney humidifiers and dehumidifiers help maintain the perfect indoor balance for year-round comfort.
  • Filter Maintenance & Upgrades: A clean, high-efficiency filter makes a big difference. We install and replace filters that improve air quality and protect your HVAC system.
  • Ductwork Cleaning & Sealing: Over time, dust and debris build up in your ducts. We clean and seal them to boost airflow, reduce allergens, and help your system run more efficiently.

Schedule Service with Chrisney’s Trusted Home Comfort Experts

Whether you’re searching for a dependable HVAC contractor, licensed plumber, or skilled electrician in Chrisney, A+ Derr Heating, Cooling, Plumbing, & Electrical is your one-stop solution. Contact us today by calling 833-232-4328 to schedule service and experience why homeowners across southern Indiana count on us for lasting comfort and peace of mind.

Recent Jobs and Reviews in Chrisney, IN

Job Locations and Reviews

Chrisney, IN - Responded to emergency service call for strong gas odor detected around furnace in 6-year-old HVAC system. Upon inspection, identified corroded copper gas line connection with visible oxidation at fitting joint. Repaired leak by replacing damaged section of gas line and ensuring proper connection integrity, then verified system safety with comprehensive leak test.
Francis I.
Francis I. Checked in
Responded to emergency service call for strong gas odor detected around furnace in 6-year-old HVAC system. Upon inspection, identified corroded copper gas line connection with visible oxidation at fitting joint. Repaired leak by replacing damaged section of gas line and ensuring proper connection integrity, then verified system safety with comprehensive leak test.
Chrisney, IN 47611
Chrisney, IN - Completed annual maintenance on 6-year-old HVAC system (Platinum Level), including replacement of 16x20x2 polarized filter. System was thoroughly inspected and found to be operating normally with all components properly connected. Customer renewed service agreement for next scheduled maintenance in 09/2025.
Craig U.
Craig U. Checked in
Completed annual maintenance on 6-year-old HVAC system (Platinum Level), including replacement of 16x20x2 polarized filter. System was thoroughly inspected and found to be operating normally with all components properly connected. Customer renewed service agreement for next scheduled maintenance in 09/2025.
Chrisney, IN 47611
Chrisney, IN - Performed diagnostic assessment on secondary heating system after customer reported startup issues and cold air from vents. Inspection of the furnace revealed faulty ignition sequence preventing proper heat generation. Cleaned flame sensor, verified proper gas supply, and tested thermostat functionality. System now operating correctly with proper ignition and delivering appropriate heat output. Recommended annual maintenance to prevent future ignition issues.
Craig U.
Craig U. Checked in
Performed diagnostic assessment on secondary heating system after customer reported startup issues and cold air from vents. Inspection of the furnace revealed faulty ignition sequence preventing proper heat generation. Cleaned flame sensor, verified proper gas supply, and tested thermostat functionality. System now operating correctly with proper ignition and delivering appropriate heat output. Recommended annual maintenance to prevent future ignition issues.
Chrisney, IN 47611
Performed annual maintenance on 1-year-old Ruud HVAC system (2nd visit of Gold Level plan). Inspected furnace installation and connections in utility area, including ductwork and drainage. Examined electrical panel and fuse components for proper operation. System functioning correctly; recommended filter replacement and renewal of maintenance plan.
Performed annual maintenance on 1-year-old Ruud HVAC system (2nd visit of Gold Level plan). Inspected furnace installation and connections in utility area, including ductwork and drainage. Examined electrical panel and fuse components for proper operation. System functioning correctly; recommended filter replacement and renewal of maintenance plan.
Francis I.
Francis I. Checked in
Performed annual maintenance on 1-year-old Ruud HVAC system (2nd visit of Gold Level plan). Inspected furnace installation and connections in utility area, including ductwork and drainage. Examined electrical panel and fuse components for proper operation. System functioning correctly; recommended filter replacement and renewal of maintenance plan.
Chrisney, IN 47611
Chrisney, IN - Responded to no-heat call for furnace less than 10 years old. System was attempting to start but failing to ignite, with no airflow through vents. Home temperature was 60°F despite thermostat being set to 69°F. Diagnosed ignition failure issue and restored proper heating functionality. System now operating normally.
Danny M.
Danny M. Checked in
Responded to no-heat call for furnace less than 10 years old. System was attempting to start but failing to ignite, with no airflow through vents. Home temperature was 60°F despite thermostat being set to 69°F. Diagnosed ignition failure issue and restored proper heating functionality. System now operating normally.
Chrisney, IN 47611
Chrisney, IN - Completed platinum level maintenance on 5-year-old system, second annual visit. Removed and inspected blower wheel assembly for proper operation. Replaced 20x25x5 filter and renewed annual maintenance agreement as requested.
Francis I.
Francis I. Checked in
Completed platinum level maintenance on 5-year-old system, second annual visit. Removed and inspected blower wheel assembly for proper operation. Replaced 20x25x5 filter and renewed annual maintenance agreement as requested.
Chrisney, IN 47611
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.