Since Halloween is right around the corner, I thought it would be a perfect time to take a look at some of the ghosts in duct systems that are often tracked down by progressive HVAC companies. Some of these issues are directly caused by the duct system itself while others are an indirect result of its influence.
As common as this installation method is, it has some unintended consequences that can plague the safe and efficient operation of an HVAC system. Let’s look at why open filter racks can be a problem and the issues they might be creating in the systems you install, maintain, and service.
How do you help someone understand that the duct design methods they’ve used for years might not be working like they assume? How can you help them understand a 6-inch duct might not always deliver 100 cfm?
+1° is the extra degree that needs to be added and applied every day to get you closer to your real potential and help you achieve your dreams in this industry or in life.
Many professionals are wondering exactly what’s involved in this test, the equipment that’s needed, third-party testing, and how to pass these tests. Let’s take a look at some of the basics for residential duct-leakage testing.
What if they cause more harm than good? Let’s look at the potential impact these smartphone-controlled dampers can have on the typical duct systems found across the country.
A subject that is sure to get some hearty debate going is whether ducts inside a conditioned space should be sealed or not. What is your opinion on this sticking point of energy efficiency?
There is a formula for calculating heating Btu and a formula for calculating cooling Btu. Both of these formulas have three components necessary to complete the calculations. Two of the Btu formula components are field measured while the third is a multiplier that is added at the end of the formula.
A couple of months ago, I addressed the topic of how proper HVAC system design could not guarantee the installed performance of a system. Since that article, I have received a number of emails requesting I go into further detail about the measurements I mentioned and how to verify the installed performance of a system.
Have you ever noticed dirt streaking out of the sides of any of the supply vents on the HVAC systems you service? Dirt streaking on supply vents is a common problem HVAC professionals encounter on a daily basis.