Carbon Monoxide: One CO Test You Should Never Take

By David Richardson Many HVAC contractors still assume that cracked heat exchangers are the leading cause of carbon monoxide (CO) poisoning. Because of this, they spend their time creatively looking for easier ways to discover cracks instead of tearing a furnace apart. These practices lead them to use an inaccurate test method that you should avoid at all cost. Let’s look at one CO test you should never take and why. Combustion Analyzer’s Don’t Belong… Read More

Goodway Technologies Offers Tips for Controlling Mold in Air Ducts

Heating and cooling systems are often out of sight and out of mind for many of us, including some facility managers. However, it’s important to perform maintenance on your HVAC system, including coils and air ducts, to help eliminate the potential for mold and other contaminants that can be circulated throughout the facility. “Goodway is a strong proponent of taking the proper preventive measures to ensure a healthy environment,” says Tim Kane, President of Goodway… Read More

Time to Dump the “Hand-o-Meter”

By Rick Kincel It never ceases to amaze me that in this day of tech devices and instant information that we are still using the “Hand-o-Meter” for our primary method of measuring CFM. Rick Kincel, Coburn Supply We get calls here at Tech Support every day asking what the Superheat should be on any particular unit, or, is this Superheat a good number? Let’s try this little experiment: Run a unit with a fixed piston… Read More

The Importance of Proper Grounding with Mini-split Installations

By Gerry Wagner Are you grounded? I have been concerned…VERY concerned…about what I call “mystery issues” which come up with inverter based mini splits more often than is acceptable. You all know what I’m talking about…erratic compressor operation, inaccurate setpoint maintenance, premature component failure and other issues which often times have no obvious cause. I see piles of control boards returned as defective that when replaced, still had the same phantom problem as before. Gerry… Read More