sizing for HVACR | ACHR News

Moisture Control for Heat Pumps

An HVAC Minute Video Update: July 17, 2023

July 17, 2023

When it comes to moisture control, sizing the heat pump correctly is the most effective step an HVAC contractor can take.

Diagnosing Ductless HVAC Systems

What to look for when a ductless system isn’t working right, or at all

Matt Jachman

February 21, 2023

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The use of ductless heat pump HVAC systems has broadened considerably since they were introduced to the U.S. market decades ago, but their technology isn’t familiar to all technicians or in all parts of the country.

Three System-Sizing Superstitions The HVAC Industry Suffers From

“When you believe in things you don’t understand, then you suffer — superstition ain’t the way.” – Stevie Wonder

David Richardson

October 21, 2019

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Some beliefs often have hidden consequences that lead to long-standing issues and a lot of aggravation.

Parker’s Virtual Engineer to Replace Sporlan Selection Program

Current version highlights 17 areas

July 2, 2019

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Sporlan Division of Parker Hannifin Corporation announced the launch of Virtual Engineer.

The Importance of Correctly Sizing HVAC Systems

Review the three load types to ensure right-sized HVAC systems for your customers

Jesse Marcus

May 20, 2019

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Accurately calculating heating and cooling loads — or the requirements of a home — is an essential element of properly sizing an HVAC system.

HVAC Contractors Can Recommend Duct Upgrades in Four Simple Steps

Provide customers with the information they need to make the best purchasing decision

David Richardson

December 17, 2018

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There is a formula that successful contractors use to answer such questions and generate customer interest in duct upgrades. Their approach focuses on the facts about what an HVAC system is doing — they don’t share opinions or use smoke and mirrors.

Follow These Three Vital Steps to Properly Resize a Duct System

David Richardson

July 2, 2018

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In order to understand the foundational principles of duct sizing, a thorough study of ACCA Manual D is a great place to start.

New Duct Sizing Calculator Available

The use of this tool gives a more accurate design

January 9, 2017

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A new duct sizing calculator from ASHRAE and the Air Distribution Institute (ADI) allows HVAC air distribution system designers to more accurately size ducts, especially flex ducts under varying amounts of compression, based on research results.

New Duct Sizing Calculator Available

January 9, 2017

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The calculator includes fields for 4, 15, and 30 percent compression in flexible ducts.

Determining Proper Cooling Tower Size

To maximize cooling tower benefits, the appropriate tower size must be selected

October 24, 2016

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Cooling towers are a relatively inexpensive and reliable way of expelling heat from a number of industrial and commercial applications. As the worldwide market continues to grow, so does the need to address the issue: How large should a cooling tower be to efficiently handle a specific application.