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Air-Source Heat Pumps

Facts + Figures: Gas Warm Air Furnace Shipments Up 35 Percent in January

Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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Facts + Figures: Air Conditioner Shipments Up 5 Percent in December

Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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Geo Semantics: Heat Pumps Are Renewable Energy Sources

While I agree that heat pumps do move heat from one location to another, I strongly disagree with the premise that air-source and geothermal heat pumps are not renewable-energy heat sources. 


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Haier America: Duct-Free Split Units

Duct-free mini-split models are available in 9,000, 12,000, 18,000, and 24,000 Btu, and come in ratings to 20 SEER. The 17 and 19 SEER Series are heat pump models and use inverter technology to achieve even greater energy savings and lower levels of noise and vibration.


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Facts + Figures: Air Conditioner Shipments Up Nearly 42 Percent in November

Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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What Refrigeration Personnel Can Learn From Heat Pumps

The refrigerator is actually a heat pump, as the method of operation is identical apart from one difference: Heat is extracted from the refrigerator and discharged into the surroundings, whereas the heat pump uses the thermal energy in the surroundings for heating purposes. 


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Facts + Figures: Air Conditioner Shipments up Nearly 30 Percent in October

Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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CO2 Use Grows in North America

One measure of the impact of CO2 as a refrigerant comes with the increasing number of applications in North America, where its use can be stymied with questions related to codes and regulations in municipalities as well as the learning curve of installation and service technicians.


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Facts + Figures: Shipments Down Except for Commercial Electric Water Heaters

Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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Regional Standards Lawsuit Enters Mediation

A ruling to the pending regional standards lawsuit may be less than a month away. American Public Gas Association (APGA) executive vice president Dave Schryver confirmed that the lawsuit, APGA v. U.S. Department of Energy (DOE), has entered mediation and that an agreement between the two parties could occur very soon.


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2014 SMACNA Annual Convention

Views from the 2014 SMACNA Annual Convention in San Antonio.

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NEWSMakers: Chris Mathis

Chris Mathis, president of Mathis Consulting Co. and vice chair of ASHRAE’s residential ad hoc committee, talks about ASHRAE’s exploration into the residential market. Posted on Oct. 17.

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2014 October 20

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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HVACR INDUSTRY STORE

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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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