Boilers & Hydronics

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A Look at Today’s Geothermal Heat Pumps

New Residential Geothermal Products Feature Higher Efficiencies, Renewable Qualities
July 28, 2014

Geothermal heat pumps are among the most efficient and comfortable heating and cooling technologies currently available because they use the earth’s natural heat to provide heating, cooling, and, often, water heating. 


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Expansion Tank Pressurization

Improper Air-side Pressurization ‘Wastes’ some of the Internal Volume
July 28, 2014

Having the proper air-side pre-pressurization prevents system water from entering the expansion tank, until the water begins expanding due to heating. 


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Bosch Thermotechnology: Residential Gas-fired Boiler

July 28, 2014

Bosch has replaced its Buderus GC124 residential gas-fired boiler with the new precision cast GC144 boiler, a compact Energy Star-compliant boiler capable of delivering best-in-class 85 percent AFUE. 


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Lochinvar LLC: Fire Tube Boiler

July 28, 2014

The FTXL™ Fire Tube Boiler for light commercial applications comes in five models ranging from 399,999-850,000 Btuh. 


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HVAC Residential Equipment: Efficiency, Installation Ease Grab Awards

Rheem Professional Prestige™ Hybrid Electric Heat Pump Water Heater Wins Gold
July 21, 2014

The NEWS honors the 2014 Dealer Design Award winners in the HVAC residential equipment category.


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HVAC Commercial Equipment: Winners Invest in Design

Mitsubishi Electric Cooling and Heating Earns Gold
July 21, 2014

The NEWS honors the 2014 Dealer Design Award winners in the HVAC Commercial Equipment category.


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HVAC Training Track: July 21, 2014

Hydronic-based Biomass Heating Systems
July 21, 2014

This new, self-paced, online course covers the unique operating characteristics of several wood-fired boilers and goes on to show several examples of complete systems for both residential and commercial/institutional applications. 


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Blame the Kids: The Cause of Your Mechanical Malfunctions

Kids do the Darndest Things, Don’t They?
June 23, 2014

It took six firefighters to get the kid out of the duct, and Mama got older. Much older.


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Bosch Thermotechnology: Commercial Boiler Control

June 23, 2014

The Heatronic 4000 commercial boiler control can activate up to four boilers utilizing outdoor temperature reset, space heating set point, and domestic hot water set point or communication received via BACnet and Modbus. 


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The Fulton Cos.: Condensing Boilers

June 23, 2014

The Endura™ boiler is now available in 750,000 (EDR-750) and 1 million (EDR-1000) Btuh model sizes. 


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Multimedia

Videos

Image Galleries

Mini Split Installation

Twin Cities contractor Aabott Ferraro helped retrofit an older St. Paul home.

Podcasts

NEWSMakers: Doug Dougherty

Doug Dougherty, president and CEO of the Geothermal Exchange Organization (GEO) joins the program to discuss the latest happenings with GEO, including the drive to get included in state and federal definitions of renewable energy, plus the future of geothermal.  Posted on July 25.

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ACHRNEWS

NEWS 07-28-14 cover

2014 July 28

Check out the weekly edition of The NEWS today!

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R-22 PHASEOUT POLL

Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
View Results Poll Archive

HVACR INDUSTRY STORE

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2014 National Plumbing & HVAC Estimator

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

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