DX CRAC Unit Condensers | Critical Facility HVAC - Most data centers do not utilize HVAC DX (Direct Expansion) CRAC units or air conditioning but instead use chilled water systems to provide cooling for the data center. In smaller buildings such as remote telecom buildings, DX air conditioning systems are used to keep the equipment cool and operating efficiently. (more…)
DDC Integration | HVAC DDC Controls - This is an electrical project which is in the process of changing the old control system to a new DDC control system. Installing new controls in an occupied building takes plenty of planning to avoid interruption in air conditioning or heating. The old control system was a basic electro-mechanical control system which little more than just basic building management control.
HVAC Careers - So you want to become an HVAC Technician and want to know how to find a successful career? It’s not easy but here’s some help for you. First of all, you need a good foundation of the basics and it would help if you understood the different types of jobs you can find by pursuing a career in HVAC. (more…)
HVAC Green Technology | Heating and Cooling - First of all, we need to define Green Technology before we compare it to HVAC and discuss how the HVAC industry is working to make the equipment and designs used in Green Technology, friendly to the environment. Green Technology uses evolving technology in utilizing methods and materials to develop techniques that are more friendly to the environment than previous methods and materials. (more…)
Outside All Weather Boiler - Outside all-weather boilers are used in circumstances where it is not possible to install the boiler inside a mechanical room or anywhere in the building. There some considerations one needs to take into account about having an outdoor boiler especially if it is for a residential application. (more…)
Hot Water Heaters - Domestic hot water heaters make our lives much more comfortable than ever before. Hot water heaters give us hot water for washing our hands, showering, washing dishes, and other uses that would otherwise be uncomfortable without a hot water heater.
When considering hot water heaters beyond the cost of the water things to consider are the size of the hot water heater and the type of fuel it will use to heat the water. (more…)
These Alerton controllers control a heat exchanger and air handler
Alerton Controllers DDC HVAC Control - HVAC DDC control has become an integral part of building automation systems. Modern DDC HVAC Control is a state-of-the-art computer-controlled system that adds efficiency to the system. These Alerton controllers are used to monitor and control an air handling unit for a large building. (more…)
What is NATE? HVAC Education NATE Certification - NATE stands for North American Technician Excellence and NATE is a certification group that oversees the training, testing, and certification of HVACR technicians throughout North American. NATE is highly respected throughout the HVACR industry and an HVAC technician who achieves NATE certification is considered very knowledgeable and skilled in the HVAC trade or HVAC certification specialty. It is a step up in heating and cooling education for HVAC Techs. (more…)
The National Electrical Code and Heating, Ventilation, and Air Conditioning have some shared roles for both electricians and HVAC Installers and technicians. There are some specific categories in the NEC that are applied to HVAC and making calculations for circuits and wire sizing for HVAC appliances. Aside from the specific categories and chapters in the NEC that are directly applicable to HVAC and HVAC appliances it is important that every technician has a basic understanding of the NEC in all aspects especially the categories and chapters that are specifically applicable to HVAC and HVAC appliances. (more…)
Free Cooling Air Conditioning - I’m looking for a residential high-performance system that uses an air intake damper or a multistage (multi-zone) heating and a cooling system similar to what I found at Economizer Systems and HVAC Control?
Any suggestions? Answer…………… (more…)
