A good HVAC system in your home can make hot and cold days much more bearable. If your heater or air conditioner isn’t keeping up with the outdoor temperatures, look to A+ Derr Heating & Cooling for help. Our expert technicians can uncover the root cause of your system’s issues and provide the most necessary solutions.Contact the A+ Derr team online or call 833-232-4328 to schedule HVAC services at your Boonville home.
Heating Services
Staying warm during the cold winter months requires a top-notch heating unit. When it’s time for repair, replacement, or maintenance, turn to the pros at A+ Derr. We can provide services for every type of heating unit, including:
- Furnaces: We guarantee that your furnace has a good heating element, blower motor, and air filter. We provide furnace installation, maintenance, and repairs.
- Heat Pumps: We’ll make sure your heat pump is still moving heat energy into your home from outside.
- Ductless mini-splits: We’ll ensure that your wall-mounted mini-split can still control the climate in your room.
Air Conditioning in Boonville, IN
Even in Indiana, the summer temperatures can reach well into the 80s and 90s. Is your AC ready to keep you cool all summer long? If not, turn to the A+ Derr team for assistance. We offer:
- Installation and replacement:Â Our team can replace your old, dying AC with a brand-new, energy-efficient model.
- Repair:Â Our staff can diagnose and resolve any problem going on with your AC unit.
- Maintenance:Â Our crew can perform a comprehensive, multipoint inspection of the internal workings of your AC system.
Whether you have an air conditioner, heat pump, or series of ductless mini-splits, look to A+ Derr for the services you need most. Call 833-232-4328 now or contact us online to get started.
Benefits of Upgrading Your HVAC System
Replacing any part of your HVAC system can make a world of difference in your home’s climate. Just a few perks of replacing your system include:
- Consistent heating and cooling for every room:Â Enjoy comfortable temperatures wherever you go in your house.
- Lower energy bills and a reduced carbon footprint:Â Save money and help save the planet simultaneously.
- Less chance of needing regular repairs and maintenance:Â New HVAC systems are much less likely to need repairs for a while after installation.
Reach out to A+ Derr online or call 833-232-4328 now to schedule HVAC system replacement services in Boonville.
Indoor Air Quality Services
Breathing the cleanest air possible is vital to your health. With the right indoor air quality services, you can rest easy knowing your air is pure. You may have low-quality air throughout your home if:
- You have experienced more allergies in recent months
- You notice layers of dust on your tables and surfaces
- Your HVAC filters seem dustier than ever before
Enjoy clean air every day with help from A+ Derr. Contact us online or call our team at 833-232-4328 to schedule IAQ services.
Why Choose A+ Derr?
Since 1975, A+ Derr has been resolving HVAC problems for clients throughout the Boonville region. Our fourth-generation family business treats every client like one of our own. You can count on us for free estimates, 24/7 emergency service, Lennox-brand HVAC units, and a 100% satisfaction guarantee.Schedule HVAC services in Boonville, IN, now by calling 833-232-4328 or contacting us online.
Recent Jobs and Reviews in Boonville, IN
Job Locations and Reviews
Completed water heater replacement with upgraded gas supply infrastructure. Replaced 10 feet of existing gas pipe to properly accommodate new fixtures and ensure code-compliant installation. Installed new residential water heater with flexible yellow gas connector line and coordinated with HVAC technician for proper flue installation and venting. Total installation time approximately 4 hours including gas line modifications and system testing.
Installed a 2.5-ton, 15.2 SEER Lennox heat pump system with matching air handler on concrete pad in backyard location. Unit was properly positioned, leveled, connected to refrigerant lines, and tested for optimal performance with financing approved through service department.
Responded to no cooling complaint on 2-year-old residential AC system affecting entire home. Upon inspection, discovered outdoor unit's air filter completely blocked with heavy accumulation of dirt, dust, and debris, severely restricting airflow and preventing proper system operation. Removed and replaced extremely clogged filter, restoring full airflow to condenser unit. System tested and confirmed cooling properly with adequate airflow and normal operating pressures.
Responded to no cooling complaint on 2-year-old residential system with indoor temperature in mid-to-high 80s despite thermostat set to 68 degrees. Upon arrival, performed visual inspection of outdoor condensing unit and discovered heavily soiled condenser coil with significant dirt accumulation and organic debris restricting airflow through fins. Located and removed air filter which showed extreme contamination with thick layer of dust and particulate matter across entire surface, severely restricting system airflow. Restricted airflow from clogged filter caused inadequate heat exchange and system shutdown due to insufficient cooling capacity. Replaced dirty filter with new filter and cleaned condenser coil to restore proper airflow and heat transfer. System tested and verified operational with proper cooling restored to residence.
Responded to service call for 15-year-old HVAC system producing excessive noise during operation, described as similar to an off-balance dryer. Upon arrival, performed diagnostic inspection of furnace and associated equipment in basement utility area. Evaluated system operation, inspected blower assembly, motor bearings, and mechanical components to identify source of abnormal sound. System remained operational and cooling effectively throughout inspection. Documented equipment condition including Honeywell thermostat, furnace unit with PVC venting system, and condensate pump assembly.
Responded to intermittent cooling issues on 2-year-old upstairs system that was randomly struggling to maintain temperature and occasionally requiring manual resets. Performed diagnostic inspection of outdoor unit electrical compartment, inspected TITAN capacitor, verified all electrical connections and terminals, and examined indoor control boards and wiring. Investigated reported loud noise from outdoor unit and assessed system performance to determine cause of intermittent operation.
Responded to no cooling complaint on 20+ year old Goodman HVAC system with weak airflow. Upon arrival, found system running but not producing adequate cooling. Performed diagnostic inspection revealing severely restricted airflow due to heavily clogged air filter with excessive dust and debris accumulation. Observed significant rust and corrosion on supply duct piping extending from furnace unit, indicating advanced age and deterioration of system components. Replaced dirty 16x25x1 air filter with new filter to restore proper airflow. Advised property owner that system age and visible component deterioration, including corroded ductwork, indicate unit is operating well beyond typical service life and may require replacement in near future to avoid continued performance issues and potential system failure.
Completed comprehensive load calculation for 2,512 square foot residential property using professional HVAC software to determine proper equipment sizing for system replacement. Documented existing Goodman furnace installation in basement mechanical room, including current ductwork configuration, plenum connections, and overall system layout to provide accurate replacement estimate with energy-efficient equipment options.
Responded to a no cooling complaint on a 7-year-old commercial HVAC system serving the main level. Performed diagnostic evaluation of the outdoor condensing unit and indoor air handler components. Inspected condenser coil condition, verified electrical connections, and assessed overall system operation to identify the cause of inadequate cooling performance.
Completed follow-up maintenance visit after original planned maintenance was not finished by previous technician. Accessed HVAC unit and inspected evaporator coil assembly, noting active condensation present on coil fins and drain pan, indicating normal system operation. Documented temperature readings using calibrated digital thermometer, recording 64.88°F at evaporator coil surface. Verified proper drainage with visible moisture collection in metal drain pan. Inspected heat exchanger fins for cleanliness and airflow obstruction, observing accumulated dust and dirt on coil surfaces and base components. System components including ductwork, evaporator coils, and drain pan confirmed to be intact and functioning. Photographic documentation captured for service records showing coil condition, temperature measurements, and condensation patterns.
Conducted comprehensive site evaluation for complete HVAC system replacement at residential property. Assessed existing outdoor condenser unit with cylindrical design located in overgrown yard area against brick exterior, and indoor furnace system situated in basement utility space with connected ductwork. Documented current equipment conditions through photographic evidence to support replacement estimate proposal. Recommended full system upgrade to modern high-efficiency equipment to improve energy performance and reliability.
Completed second annual Gold Level maintenance visit on 6-year-old HVAC system. Performed comprehensive system diagnostics including voltage testing at control board showing 24.6V and supply air temperature measurement reading 71.2°F. Inspected all major components, verified proper system operation, and documented equipment condition through diagnostic photography. Customer requires 16x25x5 filter size and is due for service agreement renewal.
Performed scheduled maintenance on residential cooling system per customer request. Unit was cycling frequently and struggling to maintain thermostat setpoint, with indoor temperature remaining at upper end of 69-72° range and producing cool rather than cold air. Conducted comprehensive system inspection, checked refrigerant levels, cleaned condenser coils, verified electrical connections at exterior disconnect, and tested thermostat operation to restore proper cooling performance.
Completed planned maintenance visit on three-system HVAC installation. Performed comprehensive inspection and maintenance procedures on all outdoor condensing units, including two residential air conditioning systems and associated equipment. All systems inspected, tested, and confirmed operational with no deficiencies noted at time of service.
Completed Platinum Level maintenance on 1-year-old residential HVAC system including outdoor condensing unit and indoor air handler. Performed comprehensive inspection of electrical connections, contactors, and terminal blocks on outdoor unit, verifying proper wire terminations and secure mounting of all components. Inspected blower motor assembly, circuit board, and refrigerant lines in indoor unit. Replaced 16x25x5 air filter. All electrical connections tested and found secure, refrigerant lines inspected with no leaks detected, and system operating within normal parameters. This represents the first annual maintenance visit for this system.
Completed annual planned maintenance visit on one-year-old residential HVAC system. Performed comprehensive inspection of vertically-mounted air handler and gas furnace assembly located in utility closet. Replaced 16x25x5 air filter as scheduled. Conducted thorough examination of internal components including blower motor assembly, control board with wiring connections, and gas valve assembly. Inspected PVC condensate drain lines and ventilation piping for proper operation. Verified all electrical connections, safety controls, and mechanical components functioning within normal parameters. System operational and ready for continued service. This represents the second annual maintenance visit; renewal recommended for continued coverage.
Completed scheduled HVAC maintenance tune-up on residential split system including indoor furnace unit and outdoor condensing unit. Performed comprehensive inspection of furnace components with access panel removed, examining blower motor assembly, electrical connections, circuit boards, and ductwork connections. Inspected outdoor condensing unit with top panel removed, evaluating capacitor condition, contactor operation, electrical wiring integrity, and internal components. All system components found operational with wiring connections intact throughout both units.
Completed annual planned maintenance visit on residential HVAC system with 16x25x5 filter media approximately 4 years old. Performed comprehensive inspection of indoor furnace unit, accessing internal components including combustion assembly, draft inducer blower, gas valve, control board, and electrical connections. Verified proper operation of all safety controls and electrical systems. Inspected outdoor condensing unit, including electrical panel components, CoreSense diagnostic device, capacitor, contactors, and associated wiring. All equipment found operating within normal parameters with no immediate service concerns identified.
Completed planned maintenance on 8-year-old HVAC system as part of Gold Level service agreement. Performed comprehensive inspection of air handler unit and outdoor condensing unit, replaced 20x25x5 air filter, tested electrical components including dual capacitors with digital meter to verify proper voltage and capacitance readings, inspected copper refrigerant lines and PVC condensate drain lines for proper operation, and examined heat exchanger for signs of corrosion or deterioration. All system components found operating within normal parameters with no immediate service needs identified.
Completed planned maintenance inspection on residential HVAC system including indoor furnace unit located in basement and outdoor condensing unit model 3BTZ4036. Performed comprehensive system evaluation, verified operational parameters, inspected ductwork and refrigerant lines, documented equipment serial number 0903E25067, and captured photographic documentation of both units for service records.