Condensing Unit Reviews Category Index
How Inverters Work Basics | Air Conditioning
How Inverters Work Basics - The new way for ultra-efficient air conditioners and heat pumps have modulating compressors and motors. A few years ago it was rare that I got an email asking the question about how inverters work but now I have noticed the question coming...
Motor Controls for HVAC – Residential Air Conditioning and Heating
Motor Controls for HVAC - Motor controls are necessary to start and stop air conditioning and heating motors automatically or manually. The most common manual motor control for air conditioning and heating is the thermostat. The thermostat starts and stops the blower...
HVAC Definitions Terms Acronyms | Heating Cooling
HVAC Definitions Terms & Acronyms | Heating Cooling - This is a comprehensive list of HVAC Definitions Terms & Acronyms. High Performance HVAC is certain there are more terms and acronyms. If you know of something we missed please email us. Thanks! HVAC...
HVAC 3R NEMA Rated Control Panels | DDC Installation
HVAC 3R NEMA Rated Control Panels - These control panels offer resistance to inclement weather. They house the DDC controllers for two small chillers and two air handlers. The chillers provide chilled water for air conditioning to the air handlers. HVAC 3R NEMA Rated...
HVAC Control Transformer Bank | DDC Installation
HVAC Control Transformer Bank - This bank of transformers is being used to power several VAV box controllers. One of many VAV boxes is powered by one of these transformers. In most VAV box applications, the power for the control system is at the box and a properly...
Portable Load Bank for UPS Testing | Commissioning
Portable Load Bank for UPS Testing | Commissioning - This is a portable load bank used for testing small UPS (Universal Power Supply) systems and for other electrical loads. New UPS systems are tested to ensure they operate properly and can hold the designed load...
Cooling Tower Fan | Commercial HVAC
This is an HVAC chilled water system cooling tower fan for a large chilled water system. Four large cooling towers for two chiller plants in a data center. Data center cooling systems generally are redundant not only for emergency situations but also for maintenance....
Cooling Tower Evaporation Cools Water | HVAC Technical
Cooling Tower Evaporation Cools Water | HVAC Technical - Cooling towers use the process of evaporation to cool or removes heat from the condenser water that was transferred to the water in the chiller condenser barrel. The heat is absorbed in the load in this case in...
Stationary Load Bank for Testing Electrical Equipment
Stationary Load Bank for Testing Electrical Equipment - Large data centers often need load banks for testing or exercising electrical equipment from time to time especially after maintenance procedures have taken place and the maintenance staff wants to test the...
Data Center Perforated Tiles for Cooling Servers
Data Center Perforated Tiles for Cooling Servers - There is a lot to consider with perforated tiles in data centers and depending on who you talk to you will get different answers. The server floor in a data center is typically built on a raised floor with cold air...
Day Tank for a Diesel Generator | Critical Facilities
Day Tank for a Diesel Generator | Critical Facilities - This is a photo of a generator day tank for a diesel generator. The tank has floats inside that keep the fuel level automatically topped off in the tank so when the generator starts there is a fuel supply ready...
Dust Smoke Filter Banks | HVAC Ventilation Systems
Dust Smoke Filter Banks | Indoor Air Quality Dust Smoke Filter Banks - These filter banks filter the exhaust air from a welding lab where lots of smoke, fumes and related dust ends up going through these smoke filter banks. Specialized filtering systems are commonly...
Belimo Actuators Automatic Valve Control
Belimo Actuators Automatic Valve Control - Many processes or actions in HVAC are made more efficient by having them automatically controlled by the control system. This enhancement of efficiency is possible by using Belimo actuator valve control. The Belimo automatic...
Large Condenser Pump for a Chilled Water System
Large Condenser Pump for a Chilled Water System - This large HVAC condenser pump serves a new chiller located in a data center. This pump pumps condenser water through the condenser chiller barrel and to cooling to reject the heat absorbed in the chillers evaporator...
Semi-Hermetic HVAC Compressor Rebuild Shop | HVAC Refrigeration
Semi-Hermetic HVAC Compressor Rebuild Shop - These old semi-hermetic HVAC compressors are destined for the rebuild shop where they will see new life one day in a chiller or DX air conditioning system. If a business loses a compressor for whatever reason (usual...
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....
Commercial Boiler Stack Economizer | HVAC Heating
Commercial Boiler Stack Economizer - This is not a normal commercial boiler stack in this boiler room. It has a bypass stack for a commercial hot water economizer. All boilers have make-up water to make up for water lost in the systems, especially for domestic hot...
Water Heater Appliance Types 2 | HVAC and Plumbing
Water Heater Appliance Types 2 - Gas, Electric, Oil, and Tankless water heaters were covered on page one, and on page two we cover boilers with domestic water heater coils, heat pump water heaters, and solar water heaters. Please navigate back to page one if you want...
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