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Home » Keywords: » load calculations

Items Tagged with 'load calculations'

ARTICLES

Matthew Duffy IES Peak Load

How Traditional Peak Load Assumptions Are Becoming Unreliable Under Today’s Conditions

When peak loads fall short, building performance suffers
Matthew Duffy IES
Matthew Duffy
April 22, 2026

Peak-load calculations once kept HVAC design simple, but clinging to them could leave modern buildings unprepared for the real world.


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load-calculations

Software Rules in HVAC Load Calculations

65% of contractors who do load calculations report using software tools
Matt Jachman
Matt Jachman
April 13, 2026

Load calculations, and using software to do them, are key traits of the contractor of the future, according to a new ACCA report.  


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Cody Shook System Effect

Why Your Fan Won’t Behave: A Field Tech’s Guide to System Effect

How to spot, diagnose, and solve system effect in fan systems
Austin Keating
Austin Keating
March 17, 2026

Exclusive for ES NEWS, a no-nonsense guide for TAB pros and engineers, featuring real-world troubleshooting strategies from Cody Shook of Precision Flow Engineering.


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Home Heating Load Estimation
Sponsored Content

Home Heating Load Estimation

Thermentor compared to Manual J
July 16, 2025
Learn how Thermentor’s embedded Virtual Energy Audit (VEA) outperforms Manual J across 17 homes showing why it is a faster, more accurate load sizing solution; no on-site visit required.
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Stan Weaver Co. Greenheck High-Wind Certification Updates for KSQ RSQ and SQ Outdoor Products

Stan Weaver & Co. Announces Greenheck High-Wind Certification Updates

The ACHR NEWS Editorial Staff
May 18, 2025

The KSQ, RSQ, and SQ Outdoor mixed flow wheel products have officially received Miami-Dade Notice of Acceptance (NOA) and Florida Product Approval (FPA), confirming their performance in high-wind conditions and expanding their use in hurricane-prone regions.


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Manual J in Existing Home

ACCA Defends Need for Manual J in Residential Home

A few minutes spent on data entry will ensure satisfied customers, professional results
Wes Davis
January 25, 2023
Residential HVAC system design is a foundational step in the process to deliver predictable comfort, and estimating the heat loss and gain of a dwelling is the cornerstone of that process.
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Residential Retrofit

Is a Manual J Load Really Necessary on Residential Retrofits?

Greg Fox
January 19, 2023
Is performing a Manual J load calculation needed in residential retrofit applications? For the industry energy experts sitting behind a desk, yes. For those of us in the real world, it doesn't make sense.
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The Importance of Correctly Sizing HVAC Systems - The ACHR News

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
Accurately calculating heating and cooling loads — or the requirements of a home — is an essential element of properly sizing an HVAC system.
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Fig 1

Btu Buddy 172: Residence with High Humidity

Bill Johnson
July 24, 2017

Bob and Tim were on a service call at a new customer’s house. The complaint was that the humidity in the house seemed to be high because mold was growing — shoes in closets and wooden object were the worst. The summer weather was very hot, and there was also high humidity.


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Ductless Gas-Fired Heaters Provide Solution for Increasing Energy Costs

May 7, 2012
The Batavia Housing Authority was looking to lower utility costs through a conversion from electric resistance baseboard heaters to gas heat and engaged Trautman Associates to conduct an energy conservation study to evaluate various types and arrangements of gas-fired equipment.


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More Articles Tagged with 'load calculations'
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