Air Handlers Category Index
GE ECM Blower Replacement Trane Air Handler
GE ECM Blower Replacement for a Trane Air Handler - I need to replace my Trane heat pump air handler motor, GE ECM 142 model 5SME39HL HY71, and am having difficulty finding a dealer or something online. Do you have any suggestions? Also, my technician gave me a quote...
Common Air Handler Problems & Maintenance Schedules
Common Air Handler Problems - Everyone loves to be comfortable, so when there is a problem with the HVAC system, we can become very uncomfortable. The air handler in the HVAC system has electrical and mechanical components inside it that can experience problems from...
Trane Air Handler AHU Electric Duct Heater | HVAC Heating & Cooling
Trane Air Handler AHU Electric Duct Heater - This Trane air handling unit photo shows a Trane AHU with an electric duct heater above the Trane air handler in the supply duct. In places where natural gas is not available and propane LP gas is impractical or not wanted....
Variable Speed ECM Blower Motors | HVAC Heating & Cooling Systems
Variable Speed ECM Blower Motors - Variable speed ECM blower motors have become increasingly popular in residential air conditioning and heating systems. From an engineering perspective, these motors increase the efficiency of the systems and offer a whole range of...
Air Handler Water Coil Freeze Stat | Freezing Protection Control
Air Handler Water Coil Freeze Stat - The HVAC Air Handler Freeze Stat is a low-temperature limit control and it is used mainly in commercial systems in the ductwork on economizers or in air handlers just before any coil especially water coils. It is a safety and...
Find Tonnage on AHU | HVAC Equipment Nomenclature
Find Tonnage on AHU | HVAC Equipment Nomenclature - How do I find out the tonnage on an AHU (Air Handling Unit)? The label/tag has faded all I have on file is the model number and the serial number, make. Question Posted By Francisco the Building Engineer on May 3,...
Preventive Maintenance Air Handlers | York AHU’s
Preventive Maintenance Air Handlers - These air handlers provide air conditioning for a zoned VAV system. The air handler is an integral part of an air conditioner system. The air handler contains a blower, air filters, some coils (DX or chilled water), hot water...
Air Handler Components 3 | HVAC Air Handling
Air Handler Components 3 - Hot water coils inside of air handler units combine a boiler system or a special capacity hot water heater and forced air to provide forced-air heating. The concept is simple and used a lot in commercial and some in residential. Commercial...
Air Handler Unit Construction Phase | HVAC AHU
Air Handler Unit Construction Phase | HVAC AHU - Air Conditioning and Heating AHUs provide air flow throughout the duct systems providing conditioned air throughout the spaces served by the duct work. Air conditioning and heating systems rely on air handlers to move...
MagicAire Air Handler with Hot Water Coil
This MagicAire Air Handler serves as part of a large club and uses a DX (direct expansion) coil for cooling and a hot water coil in the air handler for heating. Many commercial air handlers are set up in this manner for heating and air conditioning. Hot water for the...
Air Handling Unit Components 2 | HVAC Forced Air Systems
Air Handling Unit Components 2: Heat - There are many different types and arrangements of heating systems for air handling units and these types of heating systems and arrangements of heating systems vary from commercial to residential. Some air handling units do not...
Trane Air Handler Making Dust | HVAC Troubleshooting
Trane Air Handler Making Dust | HVAC Troubleshooting - I would appreciate someone in the Trane organization that would please tell me why since installment and still 5 years later my house is nothing but a dust pit. I am not exaggerating. You can wipe dust blankets...
Air Handler Coils | HVAC AHU
The air handler coils should be checked for dirt and debris which may have been sucked into the air handler inadvertently. Some air handlers have filters inside them before the coils. It is a good time to change the filters when making this check. Any dirt or debris...
Air Handler Cabinet | HVAC Components
The air handler cabinet is made of sheet metal and simply acts as a duct to guide the air through and to protect the air handler components and to protect people from the air handler components. Depending on the manufacturer will depend on the color of the unit. Trane...
Air Handler Return Dampers | HVAC Components
Air Handler Return Dampers | HVAC Components - These return air dampers serve a large air handler on a rooftop. This return air damper ends up in a mixing box inside the air handler where the return air from the building mixes with the outside air from the economizer....
Air Handler Evaporator Condensation Drain Blower Compartment
Air Handler Evaporator Condensation Drain Blower Compartment This air handler has the access panels removed during the installation process so the HVAC installation technician can make the final connections and adjustments. In clear view is the air handler blower...
Air Handler Components
Air Handler Components. This article will take different types of air handlers and disassemble them part by part. This will give you a good description of each part and hopefully a better understanding of the air handler. Most of the components associated with the air...
Air Handler Filter Pressure Sensor
Air Handler Filter Pressure Sensor - This is a pressure sensor. It tells a maintenance technician if the air filters are dirty and clogged. The pressure control is a low static pressure switch to trip the unit if the mixing box drops below the setpoint pressure. The...
Water Dripping from Air Conditioner | Condensation Drain Pipe
Water Dripping from Air Conditioner - We have 2 air conditioning units in our house and 2 pipes protrude from the roof. One of the pipes is dripping water. We were told to look for a blockage and to empty the pans. I don’t see where to check for a blockage. Any...
HVAC Duct Work – Air Handling Unit Duct
HVAC Duct Work delivers the conditioned air to the spaces. The Air Handling Duct channels this conditioned air to spaces where it is needed and then a return duct channels the air back to the air handling unit duct for re-conditioning. The return ductwork has a...
Leaking Air Handler – Air Leaks
Leaking Air Handler- Air Leaks - Dear Richard… my partner and I moved into a brand new mill conversion/rehab condo last year that we absolutely love, but after the summer was over, I went into the utility closet (where the air handler/gas furnace are) and noticed that...
Air Handlers | Heating and Cooling
Air Handlers - An air handler is usually located in the garage, a closet, or in the attic (unless...
Air Handler Smoke Detectors NFPA
Air Handler Smoke Detectors NFPA - Installing duct smoke detectors or smoke detectors in air handlers are not ideal for the protection of life and property in the event of a fire or smoke condition. The NFPA and mechanical codes cover smoke detectors. Air Handler...
Air Handler Condensation Drain Leaking | HVAC Repair
This is an air conditioner condensation drainpipe that drains the condensation from the evaporator coil. The evaporator coil operates below the dew point when the system is in air conditioning mode. As humid air passes over the cold evaporator coil the humidity or...
York VAV Air Handlers | HVAC Zoning
York VAV Air Handlers | HVAC Zoning - This York air handling unit serves several VAV boxes and runs on a static pressure control set point determined by a DDC program. This program has a static pressure control setpoint and sends a signal to the variable frequency...
Air Handler Blower Motor | HVAC Technical
Air Handler...
York Air Handling Unit Chilled Water Coil
York Air Handling Unit Chilled Water Coil - This coil is a cooling coil in a large commercial York air handling unit. The air handler serves approximately 80 VAV boxes and is responsible for providing cool conditioned air to all the zones the VAV boxes serve based on...
Inside Air Handling Unit Blower Compartment
This photo shows the air handler blower compartment. This is how the air handler is opened when the blower needs service or repair. The evaporator coil is on top of the blower which makes this an upflow air handling unit. The supply air ductwork will be above the AHU....
Attic Installation Horizontal Flow Air Handler | HVAC Airflow
This is a horizontal flow air handler installed in the attic. Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow. This is the secondary condensation pan which is installed under the air handler to save a ceiling....
