Boilers & Hydronics

Virtual Audits Become Reality

New Technology Collects Energy Data Remotely

To figure out which efficiency improvements make the most sense, owners usually turn to HVAC professionals to conduct comprehensive energy audits, which are used to thoroughly evaluate existing mechanical systems. While energy audits have traditionally occurred on-site, some firms are offering virtual energy audits.


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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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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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Jan. 19, 2015: Study Confirms Savings Offered by Advanced Load Monitoring Controller for Boilers

Fuel Savings of Up to 14 Percent Reported

A study released by the U.S. Department of Energy (DOE) confirms the M2G intelligent boiler control from Greffen Systems produces significant savings for heating buildings using hydronic boilers. The DOE’s “Building America Case Study,” which installed and monitored the controllers in Chicago, reported fuel savings up to 14 percent.


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The Imprint of the 2012 Residential Boiler Standards

Automatic Temperature Adjusting Mechanism Among the Biggest Adjustments

The standards, which were set by the Energy Independence and Security Act (EISA) in 2007 and implemented Sept. 1, 2012, required residential gas hot water boilers to meet a minimum AFUE of 82 percent; gas steam boilers, 80 percent; oil hot water boilers, 84 percent; and oil steam boilers, 82 percent.


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Radiant Cooling Demonstrates High Efficiency, Greater Comfort

Radiant Gains Popularity in US as Benefits, Comfort Become Known

Immensely popular in Europe, radiant cooling is steadily gaining popularity in the U.S. because of its potential to reduce energy consumption. About half of net-zero energy buildings use radiant cooling to help them achieve the balance between energy consumption and renewable energy creation.


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2015 HARDI Fly-In

Highlights from HARDI's Congressional Fly-In in Washington, D.C. Post date: May 28, 2015.

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NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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