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HVAC & Generator Services in Northern Kentucky & Southern Indiana
Serving the Area for Over 50 Years
When your AC or heating system doesn’t turn on, day or night, you need an expert team you can trust for prompt and exceptional services. That’s A+ Derr Heating & Cooling! Our highly trained and experienced technicians are ready to help restore your heating, cooling, and indoor air quality systems 24/7 so your home is fully functional again. With the A+ Derr team on your side, you can rest easy knowing you can get the home services you need when you need them. We are a fourth-generation family-owned company and work hard to provide our customers with the best HVAC services and solutions for their budgets. We have served Evansville, Louisville, and the surrounding areas for over 50 years.
Contact A+ Derr Heating & Cooling online today for any HVAC or IAQ services you need in Evansville, Louisville, or the surrounding area. Schedule an appointment online or call (877) 910-6045!
Heating Services for Your Home
At the height of the winter in Kentuckiana, you need your heating system to work correctly. Our team has the expertise to get your heating system back to work quickly so you and your family can be as comfortable as possible. We offer installation, replacement, repair, and maintenance services for various heating systems, including furnaces, heat pumps, and ductless mini-splits.
Our Cooling Services
A properly functioning cooling system is essential to be comfortable in your home during the summer heat. Whether your AC needs to be repaired on the hottest day of the year, you need routine maintenance, or you want to install a new system at your Kentuckiana home, you can trust our experienced technicians at A+ Derr to handle the job efficiently and effectively. We can service traditional air conditioning units, heat pumps, and ductless mini-splits.
Indoor Air Quality Services
Your family’s health and sleep quality can be affected by contaminants and irritants from poor indoor air quality. However, installing indoor air quality systems, such as air cleaners or purifiers, can improve air quality, reducing these effects and providing clean air. A+ Derr offers indoor air quality services, including duct cleaning, ensuring your home’s air is safe for you and your family!
Call the A+ Derr team at (877) 910-6045 or contact us online for heating, cooling, or indoor air quality services in the Kentuckiana area today!
Generators in Evansville & Louisville
We understand the importance of uninterrupted power for your comfort and safety. Our seasoned will electricians carefully assess your power needs and recommend a Generac system that works best for your home. We prioritize your peace of mind by offering top-rated generator installation services that keep your lights on, appliances running, and security systems active. You can also count on us if it’s finally time to replace your existing whole-house generator.
Why Choose A+ Derr?
Your Call for Comfort!
- Unparalleled customer service
- 100% satisfaction guarantee
- Locally owned & operated
- Same-day & emergency services
- Licensed & insured
- Background-checked technicians
- Military, veteran & senior discounts
- No overtime charges
Indiana Heating and Cooling Services
A+ Derr Heating and Cooling provides complete HVAC solutions across Indiana, including system repair, replacement, and maintenance tailored to Midwest weather. Explore our heating services, cooling services, and indoor air quality options to improve comfort, efficiency, and reliability year-round.
Looking for coverage near you? Visit our service area page or schedule service online.
HVAC Service in Newburgh, Indiana
For dependable HVAC service in Newburgh, IN, A+ Derr Heating and Cooling offers responsive repairs, quality installations, and seasonal maintenance for all major equipment types. If your system needs attention, our team can help with heating service, air conditioning service, and air quality solutions designed to keep your home comfortable in every season.
Book online in minutes: schedule HVAC service, contact us, or view our Newburgh service area.
HVAC Services in Louisville, Kentucky
A+ Derr Heating and Cooling provides trusted HVAC services throughout Louisville, including emergency repairs, system replacements, and routine maintenance. From heating service in winter to air conditioning service in peak summer heat, our technicians help Louisville property owners stay comfortable, efficient, and confident in their equipment.
Get started today: schedule service, contact our team, or view our Louisville service area.
FAQ for Indiana and Kentucky HVAC
What HVAC services does A+ Derr provide?
A+ Derr provides full-service heating and cooling, including HVAC repair, system replacement, new installation, and seasonal maintenance. This includes furnaces, central air conditioners, heat pumps, and related comfort equipment.
Do you offer emergency HVAC service?
Yes. If your heat stops working in winter or your AC fails during extreme heat, contact us as soon as possible and we will work to get a technician out quickly.
What areas do you serve?
A+ Derr serves customers across Southwestern Indiana and the surrounding region, including Evansville and Newburgh, plus nearby communities in Kentucky such as the Louisville area.
How do I schedule HVAC service?
You can schedule service online through the Schedule page or call our office. If you are dealing with a no-heat or no-cool situation, mention that when you contact us so we can prioritize appropriately.
How often should I schedule HVAC maintenance?
Most homes do best with maintenance twice per year: once in spring for cooling and once in fall for heating. Regular tune-ups can improve efficiency, help prevent breakdowns, and extend equipment life.
What are signs I need AC repair?
Common signs include weak airflow, warm air from vents, unusual noises, short cycling, higher energy bills, or water around the indoor unit. If you notice any of these, schedule an inspection before the issue worsens.
Should I repair or replace my HVAC system?
If your system is older, needs frequent repairs, struggles to maintain temperature, or has rising operating costs, replacement may be the better long-term value. We can inspect your system and provide options based on condition, efficiency goals, and budget.
Do you offer indoor air quality solutions?
Yes. We can recommend air quality improvements such as filtration upgrades and other solutions designed to reduce dust, allergens, and indoor humidity issues.
Do you offer financing?
If financing is available for qualified customers, we can walk you through options during your estimate so you can choose a monthly payment that fits your needs.