hvac technicians

Proper Humidity Levels and Factors for Home Comfort & Health | HVAC Health

moist and dry air problems & health

Proper Humidity Levels and Factors for Home Comfort & Health – The Contents and Make Up of Air and Humidity Humidity is important to our home and health and it is important to maintain the correct humidity in our homes and workplaces for our health. What is humidity? Humidity is simply little water droplets in the air. Cold […]

Venstar ColorTouch Programmable Thermostat | HVAC Control

A first impression when taking the Venstar ColorTouch thermostat from the box was that the thermostat was smaller than I had imagined however it is no smaller than the typical digital programmable thermostat. The more I got into the thermostat the better I liked it even though I found what I think is a minor […]

Ohms Law and HVAC | Heating and Cooling Technical

Ohms Law and HVAC – Ohms Law is used by HVAC Technicians, electricians, electronics technicians, engineers, and others who deal with electrical circuits everyday. It is a necessary fundamental that anyone dealing with electricity or electronics should learn. Ohms law is used in many different applications to solve problems (troubleshooting electrical problems), for sizing wire and […]

How DDC Status Works – Methods and Types | HVAC Control

How DDC Status Works – DDC and Status – Is the Device On or Off The basics of DDC include learning about the status of a fan or a compressor or pump. How does a DDC controller read the status of the device it is monitoring? There are several ways to prove a device is running […]

Building Automation Systems or Direct Digital Controls Learning | HVAC

Building Automation Systems or Direct Digital Controls Learning – HVAC Building Automation Systems (BAS) or Direct Digital Controls (DDC) is pretty much one in the same. Basically described BAS and DDC is combining air conditioning, heating, ventilation, lighting, electrical loads, security systems, and life and safety systems to a computer and complex algorithms for better control […]

Heat Pump Frost and Ice Build Up | HVAC-Troubleshooting

Heat Pump Frost and Ice Build Up | HVAC Troubleshooting Heat Pump Frost and Ice Build Up – Hi. I noticed my that one of my outside heat pump condensing units was laboring throughout the night. This morning I found ice frost buildup on the heat pump condenser fins. I live in Tucson, Az. It has […]

Start Capacitors for HVAC Compressors | Motor Start Assist

Start Capacitors for HVAC Compressors Start Capacitors for HVAC Compressors – HVAC single phase compressors always come hooked up to a run capacitor to help the compressor when it is running however very few HVAC compressors come with a start capacitor. Most HVAC technicians know that the air conditioner or heat pump compressors pulls a […]

HVAC Fire Safety | Job & Work Safety

HVAC Fire Safety I’m not sure how many HVAC technicians have heard of on the job horror stories no matter the job was commercial or residential but I am certain they have happened as I have heard of these horror stories happening to others and occasionally, almost to me. Whether you have ever heard of […]

HVAC Jobs and Careers | Heating and Cooling Employment

High Performance HVAC Jobs and Careers HVAC Jobs and 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 […]

Chapter Three NEC and HVAC | Article 300 | Wiring Methods

Chapter Three NEC and HVAC - Article 300 - Wiring Methods

Chapter Three NEC and HVAC | Article 300 | Wiring Methods Chapter Three NEC and HVAC – Chapter Three in the NEC covers Wiring Methods which includes how wiring is supposed to be ran, conduit for wiring, outlets, junctions, and switch points, and a host of other topics about the proper way to run wiring. […]

HVAC Technician Tools | Heating and Cooling

HVAC Technician Tools I can remember when I first got out of HVAC school a few years back I wanted to know what kind of basic tools I needed to begin my work as an HVAC technician. Of course I had lofty goals and wanted to rise to the top but my expectations at the […]

Lennox Versus York Air Conditioners | HVAC Buyers Advice

Lennox Versus York Air Conditioners Lennox Versus York Air Conditioners – Here is a Lennox and York comparison for their premium model air conditioner as requested by a reader of the site. Just off the top of my head both systems are good systems. I would say Lennox had a slight advantage but first hand […]

Essential Guides and Manuals for the Advanced Residential HVAC Technician

Essential Guides and Manuals for the Advanced Residential HVAC Technician There are many HVAC technical guides and manuals available to help HVAC technicians hone their skills on the job and become an even better and more knowledgeable HVAC technician. We can all use improvements in everything we do in life whether it is professionally or […]

HVACR Pipe Soldering Brazing – Refrigeration Systems

HVACR Pipe Soldering Brazing – Refrigeration Systems HVACR Pipe Soldering Brazing – In HVACR there are two major types of soldering done. Soft Soldering for soldering water pipes and brazing or silver soldering for soldering refrigeration piping. There are various techniques for both types of soldering and everyone develops their own in the field but […]

HVAC School Education | Heating and Cooling

HVAC School Education | Heating and Cooling HVAC School Education | Heating and Cooling – A solid career in HVAC career begins with a good education in a good HVAC school. You can start at different levels and work your way up with a career. As you work your way up you will want to […]

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