Hey Ed, should all condensation lines be insulated?
In this edition of “Hey Ed,” Ed discusses if condensation lines be insulated.
Technical Tips
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.
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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.
Hey Ed, Are there ways to judge the performance of a system and prove these results to the consumer?
In this edition of “Hey Ed,” Ed discusses ways to prove system performance to a consumer.
Matt, what are the steps to troubleshoot a heat pump not defrosting correctly?
In this edition of “HVAC Skill Builder,” Matt discusses the steps to troubleshoot a heat pump not defrosting correctly.
Hey Ed, is measuring wet bulb ΔT always necessary when checking a system?
In this edition of “Hey Ed,” Ed discusses measuring wet bulb ΔT when checking a system.
Hey Ed, when measuring dry bulb ΔT, is adding volume to the equation a better indication of system performance?
In this edition of “Hey Ed,” Ed discusses measuring dry bulb ΔT and system performance.
Matt, what is the role of a reversing valve in a heat pump, and how can you diagnose a malfunctioning valve?
In this edition of “HVAC Skill Builder,” Matt discusses diagnosing a malfunctioning valve and the role of a reversing valve in a heat pump.
Hey Ed, is a dry bulb ΔT a good indication of system performance?
In this edition of “Hey Ed,” Ed discusses the connection between dry bulb ΔT and good system performance.
Hey Ed, Does the air contain less moisture, even though the relative humidity goes up after the air moves across the evaporator coil?
In this edition of “Hey Ed,” Ed discusses relative humidity across evaporator coils.
