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.
Author: Matt Akins
Matt Akins is ACCA's Manager of HVACR Education. He can be reached at matt.akins@acca.org or 703-824-8867.
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.
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How to talk furnace safety and performance with homeowners — without scaring them
When homeowners hear the words gas furnace, their minds often jump to the worst-case scenario. Carbon monoxide, cracked heat exchangers, “dangerous flames,” and internet horror stories can make even a routine tune-up sound frightening. As professionals, we walk a fine line: we must communicate safety issues clearly and honestly—without creating unnecessary alarm or sounding like we’re upselling fear.
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.
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.
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.
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Setting realistic expectations for HVACR performance: educating clients for efficiency and comfort
When customers expect their system to handle heat loads it was never sized for, complaints start rolling in. Explaining why their system can’t exceed its designed capacity helps customers understand realistic performance limits and manage their expectations. Here’s how to inform customers so they know their system’s capabilities and limitations.
Matt, how does improper duct sizing lead to airflow issues, and what are the consequences?
In this edition of “HVAC Skill Builder,” Matt discusses the importance of proper duct sizing and how it aids airflow.
Matt, how can voltage drop across electrical components lead to system malfunctions?
In this edition of “HVAC Skill Builder,” Matt discusses HVAC system malfunctions caused by a voltage drop across the electrical components.
Matt, how does the placement of a thermostat affect system performance and customer comfort?
In this edition of “HVAC Skill Builder,” Matt discusses how the placement of a thermostat can effect system performance and customer comfort.
Matt, what are the signs of a dirty or clogged evaporator coil, and how does it affect system operation?
In this edition of “HVAC Skill Builder,” Matt discusses the negative effects of a dirty or clogged evaporator coil on the overall operation of an HVAC system.
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Dew point: The fast, field-ready way to spot moisture and performance issues
When ducts are sweating and customers complain about feeling sticky despite running the AC, the dew point gives you the answer.
Matt, what are the effects of a leaking refrigerant line on system efficiency and cooling capacity?
In this edition of “HVAC Skill Builder,” Matt discusses HVAC system efficiency and cooling capacity with a leaking refrigerant line.
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HVACR done right: How technicians can sell quality over price
There’s an old saying that “the bitter taste of poor quality lingers long after the sweet taste of low price is forgotten.” This rings especially true in the HVACR industry, where technicians often compete against low-cost providers who cut corners to win business.
Understanding the Importance of Proper HVACR System Design for Your Client
When determining the correct size for HVACR equipment in a home, it’s crucial to look beyond just the model number. […]
Elevating HVAC Maintenance with Systematic Checklists
As spring unfurls its verdant leaves and summer beckons with its promise of sun-drenched days, homeowners are gearing up for […]
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Understanding a Defrost Board on a Heat Pump
This article is designed to demystify the essential operation of defrost control boards, which, despite the variety available in the market, share a common ground in their fundamental workings. ACCA members can read more here.
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Contactors & Relays
This article will dive into the exciting realm of contactors and relays, the behind-the-scenes heroes in your HVAC systems. ACCA members can learn more here.
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Refrigerant Gauges No More
This article will go over the steps necessary to make estimated calculations of the system’s pressure, superheat, and subcooling without refrigerant gauges. Read more in this members-only blog.
Tech Tip: Start Me Up
As an HVAC technician, you can increase your earnings by suggesting hard start kits to your clients. These kits are cost-effective and straightforward to install, and they significantly enhance the starting efficiency and dependability of air conditioning and heat pump units. This article will explore the advantages of hard start kits and how they function.
