Articles Tagged with ''heat pump''

Survey: How Much of Your Business is Heat Pumps?

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Approximately how much of your business is heat pump installation and service?


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Troubleshooting Challenge: A Split System Heat Pump That’s Not Cooling

By Jim Johnson
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Our troubleshooting problem involves a split system heat pump in which the outdoor unit is operating in an 85°F ambient, and when you arrive in response to the customer’s no cooling complaint, you find the indoor fan operating normally, and you also note that 240 volts is read at L1 and L2 of the outdoor unit.


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Sept. 9, 2013: Development of Natural Refrigerant Heat Pump Receives DOE Grant

New Heat Pump Technology Expected to Reduce Energy Consumption by 50 Percent
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Part of a U.S. Department of Energy (DOE) project to reduce energy bills and greenhouse gas emissions, S-RAM Dynamics has been awarded a grant to help commercialize a new natural refrigerant heat pump.


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Btu Buddy 121: Heat Pump No Heat Call - Part 2

By Bill Johnson
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Bob and Tim had left this residence a few days ago when they discovered that the four-way valve on the home’s heat pump was stuck in the cooling mode. They tried several things to get the valve to do its normal changeover to the heating mode and couldn’t get it to function. The valve would need to be replaced.


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Btu Buddy 120: Heat Pump No Heat Call - Part 1

By Bill Johnson
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Bob and Tim were on their way to a service contract routine procedure when the dispatcher called and asked them to go to a residence that had no heat and had a very sick family member. They needed heat as quickly as possible.


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Johnson Controls: Dual-Fuel Heat Pump

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The Luxaire® brand Acclimate™ packaged 2- to 5-ton dual-fuel heat pump features low nitrogen oxide (NOx) for reduced carbon emissions, R-410A refrigerant, standard louvered condenser coil protection, and easy power and control wiring connections for reduced installation time and costs.


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Johnson Controls: Dual-Fuel Heat Pump

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The Luxaire® brand Acclimate™ packaged 2- to 5-ton dual-fuel heat pump features low nitrogen oxide (NOx) for reduced carbon emissions, R-410A refrigerant, standard louvered condenser coil protection, and easy power and control wiring connections for reduced installation time and costs.


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Johnson Controls Inc.: Dual-Fuel Packaged Heat Pumps

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The York® line of Affinity™ packaged heat pumps has been expanded with the addition of the 2-, 2.5-, 3-, 3.5-, 4-, and 5-ton dual-fuel packaged heat pumps. They achieve efficiencies up to 14 SEER, 11.8 EER, and 8 HPSF, delivering energy savings and comfort.


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New Commercial Products Bring the Heat

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In addition to the 2012 Commercial Heating Showcase Product Grid, The NEWS spotlights the industry’s latest commercial heating products in this photo feature. The manufacturers provided the brief description of features included with each product.


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Bard Equips School With Cleaner Air

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Bryan, Ohio, has been widely recognized as one of the 100 best small towns in America. With new installations in a local school, cleaner air is on its way to students. What installation made this possible?


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Rajan Rajendran

Rajan Rajendran, newly appointed director of the Emerson Innovation Center, talks about the new $35 million facility and how it will function on the University of Dayton campus. Posted on Aug. 29.

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EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
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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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