Matt, what are the key factors to consider when diagnosing a system short-cycling issue?
In this edition of “HVAC Skill Builder,” Matt discusses diagnosing a system short-cycle issue.
Technical Tips
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Understanding a defrost board on a heat pump
As we head into the colder months, HVACR technicians need to understand the fundamentals of defrost control board operation. While there are many types of defrost control boards on the market, they all function similarly. Let’s break down the basics so you’re prepared to handle this common cold-weather issue.
Matt, how can airflow measurements be used to diagnose duct leakage or restrictions?
In this edition of “HVAC Skill Builder,” Matt discusses diagnosing duct leakage or restrictions with airflow measurement.
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Gas furnace installation: What every HVAC technician must get right
Skipping the manufacturer’s instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves can clog and malfunction by skipping essential piping steps. This happens all the time when installers rush through jobs.
Matt, how does undersized or oversized equipment impact energy consumption and comfort levels?
In this edition of “HVAC Skill Builder,” Matt discusses why it’s important to size your equipment properly for better energy consumption and comfort levels.
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Part 2: Troubleshooting heat pumps stuck in one mode
Part 1 in this series covered defrost cycle problems in heat pumps. Now, let’s discuss the second major winter issue: heat pumps stuck in one mode.
Matt, how does high static pressure impact system performance and component longevity?
In this edition of “HVAC Skill Builder,” Matt discusses high static pressure and its impact on longevity.
Hey Ed, should all condensation lines be insulated?
In this edition of “Hey Ed,” Ed discusses if condensation lines be insulated.
Hey Ed, are the capacities in the AHRI ratings good for anything.
In this edition of “Hey Ed,” Ed discusses if the capacities in the AHRI ratings are good for anything.
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Heat pump troubleshooting part 1: Defrost cycle diagnostics
Your phone rings at 7:00 AM in January. The homeowner says their heat pump quit, and the house is freezing. When you pull up, there’s ice everywhere on the outdoor unit — a solid block covering the whole thing.
Hey Ed, should the suction line of an operating air conditioner be sweating?
In this edition of “Hey Ed,” Ed discusses if the suction line of an operating air conditioner should be sweating.
Hey Ed, does beer can cold really work?
In this edition of “Hey Ed,” Ed discusses if beer can cold really works.
Matt, what are the common causes of uneven cooling or heating in different house rooms?
In this edition of “HVAC Skill Builder,” Matt discusses uneven cooling or heating in different rooms of a house.
Hey Ed, is there a big difference between R-454B & R32?
In this edition of “Hey Ed,” Ed discusses the difference between R-454B & R32.
Matt, how can you use a multimeter to diagnose electrical issues in an HVAC system?
In this edition of “HVAC Skill Builder,” Matt discusses using a multimetr to diagnose electrical issues in an HVAC system.
Hey Ed, what install techniques have you changed when installing A2L refrigerants?
In this edition of “Hey Ed,” Ed discusses A2L installation techniques.
Hey Ed, do A2Ls cool as well as A1 refrigerants?
In this edition of “Hey Ed,” Ed discusses A2L vs. A1.
Matt, how does improper system evacuation during installation affect long-term system reliability?
In this edition of “HVAC Skill Builder,” Matt discusses the importance of proper system evacuation during installation.
Hey Ed, Is taking static pressure measurements a good indication of a system’s airflow?
In this edition of “Hey Ed,” Ed discusses if taking static pressure measurements is a good indication of a system’s airflow.
