Featured Stories

Duct Dynasty: Verifying Proper Design through Performance Measurements

Tips to Ensure the Accuracy of Your HVAC Installations

A couple of months ago, I addressed the topic of how proper HVAC system design could not guarantee the installed performance of a system. Since that article, I have received a number of emails requesting I go into further detail about the measurements I mentioned and how to verify the installed performance of a system.


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My Two Cents: Basic HVAC Contracting Budget Accounting

Determining the Volume You Need to Cover Overhead and Turn a Profit

If you haven’t already, now’s the time to contemplate your budgets for 2015. I realize the training required to be an HVAC tech is different from being an accountant, and many contractors started their careers working with tools before becoming a contractor; however, some rudimentary knowledge of accounting is important.


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Don’t Overlook the Trees

Modern Approaches to Wood-fired Hydronic Heating

Long before Americans had access to natural gas, propane, fuel oil, or electricity, and long before there were automatically controlled central heating systems, wood was the most commonly used heating fuel.


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Preparing for a Future Without R-22

Production, Importation of the Hydrochlorofluorocarbon to Cease in 2020

Proactive HVAC contractors have been working to educate their employees and clients on the inevitable phaseout. And, with the price of R-22 already starting to rise in many areas, educated contractors are finding it easier to convince customers to replace aging R-22 units with newer, more efficient models.


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Industry Prepares for New Residential Water Heater Standards

Manufacturers, Organizations Invest in Training to Prepare Supply Chain for Changes

While the new efficiency standards do not require manufacturers to use any specific technologies to achieve the new EF (energy factor) ratings, they’ve already necessitated a significant redesign effort from manufacturers. Additionally, the increasing unit sizes pose transportation and installation challenges that have yet to be fully understood.


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Ice Breaker: Correct Liquid Line Sizing

Accurate Assessment Vital for Proper Refrigeration System

Choosing the correct line size is very important to the overall success of the installation. Incorrectly sized refrigerant lines can lead to system problems, excessive energy consumption, and higher installation and operation costs.


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2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

Podcasts

NEWSMakers: Mark Crockett
Mark Crockett vice president, Crockett Facilities Services, explains the importance of technician training, the value of being a top minority-owned company in the U.S., current projects the company is managing, and much more. Posted on April 24.
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ACHRNEWS

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2015 April 27

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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