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1-175 out of 175 article(s)
Title Author Type Date Words
A New Model for Frost Growth Incorporating Droplet Condensation and Crystal Growth Phases. Harges, Ellyn; Cremaschi, Lorenzo Report Jan 1, 2018 4156
Performance Enhancement of Urban Ground Source Heat Pumps through Interactions with Underground Railway Tunnels. Revesz, Akos; Mavroulidou, Maria; Chaer, Issa; Gunn, Mike; Thompson, Jolyon; Maidment, Graeme Report Jan 1, 2018 3686
Preliminary Analysis of the Impact of Gas-Fired Heat Pump on Heating and Cooling Energy Consumption of a Library Building. Baig, Altamash Ahmad; Fung, Alan S. Report Jan 1, 2018 3458
Laboratory and Field Evaluation of a Gas Heat Pump-Driven Residential Combination Space and Water Heating System. Glanville, Paul; Suchorabski, Daniel; Keinath, Chris; Garrabrant, Michael Report Jan 1, 2018 4578
Longitudinal Evidence of Inverter-driven Heat Pump Performance in Low-load Residential Buildings. Agee, Philip; Reichard, Georg; McCoy, Andrew Report Jan 1, 2018 3591
Low-Cost Control System Built Upon Consumer-Based Electronics for Supervisory Control of a Gas-Operated Heat Pump. Wetherington, Randall; Abu-Heiba, Ahmad; Mahderekal, Isaac; Vineyard, Ed Report Jul 1, 2017 4036
Thermoeconomic Comparison of Residential Solar-Powered Heat Pump Systems. Gupta, Yeshpal; Phelan, Patrick E. Report Jun 22, 2017 4142
Evaluation of refrigerant mixtures in three different cold-climate residential air-source heat pumps. Hakkaki-Fard, A.; Aidoun, Z.; Eslami-Nejad, P. Report Jul 1, 2016 3323
Performance analysis of a ground-source heat pump system using mine water as heat sink and source. Liu, Xiaobing; Skinner, Jack L.; Malhotra, Mini; Blackketter, Donald M.; Walburger, Adam Report Jul 1, 2016 6767
A simulation-based study on different control strategies for variable-speed pumps in distributed ground-source heat pump systems. Niu, Fuxin; Liu, Xiaobing; O'Neill, Zheng Report Jul 1, 2016 5473
Technical assessment of ground-source, air-source, and hybrid heat pumps for single-family buildings in cold climates. Eslami-Nejad, Parham; Aidoun, Zine; Hakkaki-Fard, Ali; Ouzzane, Mohamed Report Jul 1, 2016 5631
A Simple Approach To Affordable GSHPs. Kavanaugh, Steve; Gray, Chris Apr 1, 2016 4790
Analysis of air-to-water heat pump in cold climate: comparison between experiment and simulation/Silumos siurblio "oras--vanduo", veikiancio saltame klimate, eksperimentiniu ir modeliavimo rezultatu palyginamoji analize. Janusevicius, Karolis; Streckiene, Giedre Report Aug 1, 2015 3848
Assessment of two-level heat pump installations' power efficiency for heat supply systems. Denysova, A.E.; Bodnar, I.O. Report Jul 1, 2015 2320
An economic analysis of conventional and heat pump heating and cooling systems in the DOE prototypical elementary school building in various climatic zones. Ryan, William; Czachorski, Marek Report Jul 1, 2015 11152
Big heat pumps. Pearson, Andy Feb 1, 2015 666
A general assessment of heat pump technologies for prototypical residential buildings in the United States. Holloway, Seth O.; Nyika, Simbarashee; Horton, W. Travis; Braun, James E. Report Jan 1, 2015 11733
A zero-net-energy teaching laboratory: heat pumps and filtered fume hoods can help achieve ZNE. Knowles, Jacob Dec 1, 2014 1176
Bring on the subsidy. Pearson, Andy Column Dec 1, 2014 545
Heat pumps: the brutal truth. Pearson, Andy Nov 1, 2014 717
Ground source heat pumps in Texas School District. Kavanaugh, Steve Oct 1, 2014 2506
Cooling for space applications. Brief article Oct 1, 2014 163
Generalized performance maps for single- and dual-speed residential heat pumps. Nyika, Simbarashe; Horton, W. Travis; Holloway, Seth O.; Braun, James E. Report Jul 1, 2014 6350
Generalized performance maps for variable-speed, ducted, residential heat pumps. Nyika, Simbarashe; Horton, W. Travis; Holloway, Seth O.; Braun, James E. Report Jul 1, 2014 3389
A new model to simulate energy performance of VRF systems. Hong, Tianzhen; Kasahara, Shinichi; Pang, Xiufeng; Yura, Yoshinori; Schetrit, Oren; Hinokuma, Ryohei Report Jul 1, 2014 4275
One- and two-time-constant models to predict the capacity of geothermal heat pumps in cycling conditions. Ndiaye, Demba; Bernier, Michel Report Jul 1, 2014 7482
Analysis of the energy performance and control optimization of a GSHP installation. Cervera-Vazquez, J.; Montagud, C.; Corberan, J.M. Report Jul 1, 2014 6717
Should the optimization horizon in optimal control of ground-coupled heat-pump systems cover the interseasonal time scale? Antonov, Stefan; Verhelst, Clara; Helsen, Lieve Report Jul 1, 2014 7599
Ground source heat pump efficiency in cold climates. Garber-Slaght, Robbin; Daanen, Ronald; Roe, Andy Report Jul 1, 2014 3782
Economic applicability evaluation of heat pump systems in buildings with different insulation levels. Junghans, Lars Report Jul 1, 2014 4403
Economic analysis of ground source heat pumps in North Carolina. Honari, Hamed; Makhyoun, Miriam; Sridhar, Vikram; Hoover, Kacey Report Jul 1, 2014 3216
Effect of residential ground source heat pump system design on C[O.sub.2] emissions in Sweden. Spitler, Jeffrey D.; Wong, Mei Yung; Gehlin, Signhild E.A. Report Jul 1, 2014 3909
The influence of climate conditions on life cycle climate performance of low GWP refrigerant based heat pumps. Makhnatch, Pavel; Khodabandeh, Rahmatollah Report Jul 1, 2014 3604
Field study of performance, comfort, and sizing of two variable-speed heat pumps installed in a single 2-story residence. Munk, Jeffrey D.; Jackson, Roderick K.; Odukomaiya, Adewale O.; Gehl, Anthony C. Report Jul 1, 2014 3734
Eight years of operation of 615 ton geothermal nursing home in Northern tier. Orio, Carl D.; Patnaude, Zach J. Report Jul 1, 2014 2979
Optimum geothermal performance via predictive modeling and adaptive control. Hamstra, Stephen Report Jul 1, 2014 2998
Case study of a heating only central GSHP system using a shallow aquifer for a warehouse. Liu, Xiaobing; Malhotra, Mini; Walburger, Adam; Habibzadeh, Bahman Report Jul 1, 2014 4015
Heat pump design leads to Rittinger. Brief article Jun 1, 2014 259
Improving operating efficiency: of packaged air conditioners & heat pumps. Katipamula, Srinivas; Wang, Weimin; Vowles, Mira Mar 1, 2014 3175
Ground source heat pumps: from green to gold: in 1988, using a federal grant supporting energy efficiency and renewable energy projects, IGSHPA partnered with seven Oklahoma technology centers to install closed-loop ground heat exchangers and GSHPs, and to train the instructors, students and local contractors and service technicians. Bullington, Jim Feb 1, 2014 1284
Application of heat pump-driven two-stage desiccant wheel system in office buildings. Tu, Rang; Liu, Xiaohua; Zhang, Tao; Jiang, Yi Report Jan 1, 2014 3695
An integrated system of vapor-compression chiller and absorption heat pump for efficiency improvement: system modeling and performance analysis. Kung, Yi-Shu; Qu, Ming; Peng, Steve Report Jan 1, 2014 3579
Field demonstration of a cold climate heat pump. Kultgen, Derek; Hutzel, William; Caskey, Stephen; Groll, Eckhard; Gschwend, Andreas Report Jan 1, 2014 3317
Evaluation of alterative refrigerant candidates for R410a through testing and simulation. Alabdulkarem, Abdullah; Hwang, Yunho; Radermacher, Reinhard Report Jan 1, 2014 3350
Flow characteristics of the raw sewage for the design of sewage-source heat pump systems. Xu, Ying; Wu, Yuebin; Sun, Qiang Report Jan 1, 2014 3554
Theoretical estimation of the performance of a photovoltaic-thermal collector (PV/T) system coupled with a heat pump in a sustainable house in Toronto. Kamel, R.S.; Fung, A.S. Report Jan 1, 2014 6544
Experimental evaluation of a multipurpose heat pump for space heating and domestic hot-water draw. Kingston, Tim; Zhong, Yongfang; Suchorabski, Daniel Report Jan 1, 2014 5323
Comprehensive compressor calorimeter testing of lower-GWP alternative refrigerants for heat pump and medium temperature refrigeration applications. Shrestha, Som; Sharma, Vishaldeep; Abdelaziz, Omar Report Jan 1, 2014 3041
Design of residential ground source heat pump systems for heating dominated climates--trade-offs between ground heat exchanger design and supplementary electric resistance heating. Gehlin, Signhild E.A.; Spitler, Jeffrey D. Report Jan 1, 2014 3612
Residential heating efficiency comparison for differing heat pump types and sizing methods. Hunt, Walter; Gurlaskie, George; Domitrovic, Ron Report Jan 1, 2014 3707
Regional variation in residential heat pump water heater performance in the U.S. Maguire, Jeff; Burch, Jay; Merrigan, Tim; Ong, Sean Report Jan 1, 2014 3356
Comparison of measured and predicted ground source heat pump system operations for the ASHRAE Headquarters Building. Singh, Ramandeep; Fisher, Dan Report Jan 1, 2014 3117
Energy analysis of C[O.sub.2]-based demand controlled ventilation and economizer for air source heat pump in schools. Nassif, Nabil; AlRaees, Nihal Report Jan 1, 2014 3596
Evaluation of seasonal performance improvements in a 3-ton air-conditioning heat pump system using a novel design of integrated electronic expansion valves and distributors. Bowers, Chad D.; Wrocklage, Dave; Elbel, Stefan; Hrnjak, Predrag Report Jan 1, 2014 3230
A cool geothermal solution. Brief article Oct 1, 2013 191
Verification of a VRF heat pump computer model in EnergyPlus. Nigusse, Bereket; Raustad, Richard Report Jul 1, 2013 7594
Cooling efficiency comparison between residential variable capacity and single speed heat pump. Hunt, Walter; Domitrovic, Ron; Amarnath, Ammi Report Jul 1, 2013 2613
Post-occupancy assessment of thermal-pile and open-well Ground Source Heat Pump (GSHP) system--case study. Garber, Denis; Soga, Kenichi; Choudhary, Ruchi Report Jul 1, 2013 4416
Retrofit of R-410A in air to water heat pumps: test of two low GWP candidates. Zoughaib, Assaad; Besbes, Karim Report Jul 1, 2013 2204
Modeling advanced heat pump water heater systems. Nasuta, Dennis; Domitrovic, Ronald; Bush, John; Radermacher, Reinhard; Hwang, Yunho; Amarnath, Ammi Report Jul 1, 2013 3871
Laboratory and field testing of an integrated HPWH using C[O.sub.2] refrigerant. Bush, John; Dinse, David; Domitrovic, Ron; Amarnath, Ammi Report Jul 1, 2013 3323
Study of a heat pump for simultaneous heating and cooling working with R290 or R1234yf and coupled to a building. Ghoubali, Redouane; Byrne, Paul; Miriel, Jacques; Bazantay, Frederic Report Jul 1, 2013 3556
Computer modeling VRF heat pumps in commercial buildings using EnergyPlus. Raustad, Richard Report Jul 1, 2013 3685
Compare energy use in variable refrigerant flow heat pumps field demonstration and computer model. Sharma, Chandan; Raustad, Richard Report Jul 1, 2013 2231
Energy simulation of integrated multiple-zone variable refrigerant flow system. Shen, Bo; Rice, C. Keith; McDowell, Timothy P.; Baxter, Van D. Report Jul 1, 2013 4713
I'm on you. Pearson, Andy Jul 1, 2013 712
Direct talking. Pearson, Andy May 1, 2013 723
Ground-coupled heat pump and energy storage. Lohrenz, Ed; Almeida, Sergio Apr 1, 2013 4136
GHP piping systems. Meline, Lisa Mar 1, 2013 2155
Long-term commercial GSHP performance: part 7: achieving quality. Kavanaugh, Steve; Meline, Lisa Feb 1, 2013 3429
Coping with excess gas. Pearson, Andy Feb 1, 2013 822
Long-term commercial GSHP performance: Part 6: maintenance and controls. Kavanaugh, Steve Jan 1, 2013 2552
Combined heat pump and power plant. Part I: thermodynamic analysis/Kombinuota silumos siurblio ir elektros jegaine. Pirma dalis: termodinamine analize. Dagilis, V. Report Jan 1, 2013 3988
Generalized performance maps for variable-speed residential heat pumps. Nyika, Simbarashe; Holloway, Seth O.; Horton, W. Travis; Braun, James E. Report Jan 1, 2013 2608
Development and validation of a mechanistic model for variable-speed multi-split heat pumps. Cheung, Howard; Nyika, Simbarashe; Braun, James E. Report Jan 1, 2013 3843
Experimental study and simulation of a thermosiphon defrosting technique for air-source heat pumps. Byrne, Paul; Serres, Laurent; Ghoubali, Redouane; Miriel, Jacques Report Jan 1, 2013 3372
Development of a residential ground-source integrated heat pump. Rice, Keith; McDowell, Tim; Baxter, Van; Munk, Jeffrey; Hern, Shawn; Shen, Bo Report Jan 1, 2013 4153
Ground source heat pump operation and optimal entering liquid temperature. Marmaras, Justin; Burbank, Jason; Kosanovic, Dragoljub Report Jan 1, 2013 4521
Development of fuel fired multi-function heat pump. Mahderekal, Isaac; Shen, Bo; Vineyard, Edward A. Report Jan 1, 2013 3619
A variable refrigerant flow heat pump computer model in EnergyPlus. Raustad, Richard Report Jan 1, 2013 5733
Development of a wind directly forced heat pump and its efficiency analysis. Jwo, Ching-Song; Chien, Zi-Jie; Chen, Yen-Lin; Chien, Chao-Chun Report Jan 1, 2013 3728
Optimization and thermoeconomics research of a large reclaimed water source heat pump system. Zhang, Zi-ping; Du, Fang-hui Report Jan 1, 2013 5327
Long-term commercial GSHP performance: Part 5: comfort and satisfaction. Kavanaugh, Steve; Kavanaugh, Josh Dec 1, 2012 2703
Long term commercial GSHP performance: part 4: installation costs. Kavanaugh, Steve; Green, Mike; Mescher, Kirk Oct 1, 2012 4866
Defrost cycle. Pearson, Andy Oct 1, 2012 799
Analysis of the thermodynamical efficiency of an air handling unit with a heat pump/Vedinimo irenginio su silumos siurbliu termodinaminio efektyvumo tyrimas. Martinaitis, Vytautas; Bareika, Paulius; Miseviciute, Violeta Report Oct 1, 2012 1802
Long-term commercial GSHP performance: Part 3: loop temperatures. Kavanaugh, Steve; Kavanaugh, Josh Sep 1, 2012 5015
GSHP for 1920s building. Kerbelis, Wayne E. Sep 1, 2012 1794
Long-term: commercial GSHP performance: Part 2: ground loops, pumps, ventilation air and controls. Kavanaugh, Steve; Kavanaugh, Josh Jul 1, 2012 2932
Current performance of ground source heat pumps for space conditioning and for water heating under simulated occupancy conditions. Ally, Moonis R.; Munk, Jeffrey D.; Van D. Baxter; Gehl, Anthony C. Report Jul 1, 2012 3832
Measured impact on space conditioning energy use in a residence due to operating a heat pump water heater inside the conditioned space. Munk, Jeffrey D.; Ally, Moonis R.; Van D. Baxter Report Jul 1, 2012 2272
Thermal storage properties of a hybrid ground source heat pump. Pertzborn, Amanda; Nellis, Greg; Klein, Sanford Report Jul 1, 2012 3406
Hybrid solar thermal and ground source heat pump system. Report Jul 1, 2012 3270
Long-term commercial GSHP performance: part 1: project overview and loop circuit types. Kavanaugh, Steve; Kavanaugh, Josh Jun 1, 2012 2870
Load matching and capacity control. Pearson, Andy Jun 1, 2012 857
Large-capacity, water-to-water heat pumps for centralized plants. Campbell, Craig R.; Catrambone, Joseph A.; Paraskevakos, Christian P. May 1, 2012 3059
Benefits belie lack of popularity: commercial GSHPS. Cooperman, Alissa; Dieckmann, John; Brodrick, James May 1, 2012 1854
Sometimes it's the simple things: improving efficiency. Pearson, Andy Column May 1, 2012 724
Residential GSHPs. Cooperman, Alissa; Dieckmann, John; Brodrick, James Apr 1, 2012 1949
Largest geothermal system. Brief article Apr 1, 2012 185
Heat pumps & geothermal. Mar 1, 2012 401
Cold climates heat pump design optimization. Abdelaziz, Omar; Shen, Bo Report Jan 1, 2012 4083
Residential ground source heat pumps with integrated domestic hot water generation: performance results from long-term monitoring. Stecher, Dave; Allison, Kate Report Jan 1, 2012 3422
AHRI Standard 550-590 overview of latest updates Performance Rating of Water-Chilling and Heat Pump Water-Heating Packages Using the Vapor Compression Cycle. Smith, Saunders Report Jan 1, 2012 3687
Multi-zone test facility for variable capacity multi-split heat pump systems. Upadhye, Harshal; Domitrovic, Ron; Amarnath, Ammi Report Jan 1, 2012 2980
Low outdoor temperature heat pump applications to reduce electric resistance second stage heat. Bush, John; Domitrovic, Ron; Amarnath, Ammi Report Jan 1, 2012 4074
Beyond the envelope: restoring a 19th century courthouse to its original purpose. Bourdages, Chantale; Freitas, Marco Reprint Dec 1, 2011 2330
Ground-source heat pump systems: the first century and beyond. Spitler, Jeffrey; Bernier, Michel Editorial Nov 1, 2011 1921
HVAC selection: for envelope-dominated buildings. Shapiro, Ian; Sirt, Umit Report Oct 1, 2011 4221
Geothermal heats up. Wroblaski, Kylie; Penny, Janelle; Morton, Jennie Brief article Oct 1, 2011 230
Heat pump saves with gas. Brief article Sep 1, 2011 178
Rotary heat pump/Rotacinis silumos siurblys. Juodvalkis, J.; Blazevicius, E.; Karbauskaite, J.; Nenorta, V. Report Sep 1, 2011 2809
Air bypass in vertical stack water source heat pumps. Varshney, Kapil; Shapiro, Ian; Bronsnick, Yossi; Holahan, Jim Report Sep 1, 2011 7707
Part Load Performance of a Two-Stage Variable Capacity Air Source Heat Pump System in Cooling Mode. Safa, Amir A.; Fung, Alan S.; Leong, Wey H. Report Jul 1, 2011 2760
Building on experience with hybrid ground source heat pump systems. Hackel, Scott; Pertzborn, Amanda Report Jul 1, 2011 4002
The impact of refrigerant charge, airflow, and expansion devices on the measured performance of an air-source heat pump--part I. Shen, Bo; Braun, James E.; Groll, Eckhard A. Report Jul 1, 2011 11407
Modeling improvements for air-source heat pumps using different expansion devices at varied charge levels--part II. Shen, Bo; Groll, Eckhard A.; Braun, James E. Report Jul 1, 2011 7548
Using an optimizer to improve heat pump performance. Zheng, Bin; Liu, Mingsheng; Ballain, Chad; Wang, Jinrong Report Jul 1, 2011 3887
Empirical modeling of a rolling-piston compressor heat pump for predictive control in low-lift cooling. Gayeski, Nicholas T.; Armstrong, Peter R.; Zakula, Tea; Norford, Leslie K. Report Jul 1, 2011 5760
Less pumping means cooler ground loops. Kavanaugh, Steve Reprint Jul 1, 2011 4631
Resort central plant. Butkus, Al Case study Jul 1, 2011 2189
Equinox House performance. Newell, Ty; Newell, Ben Reprint Jul 1, 2011 2537
5 Things you need to know about geothermal heat: a geothermal heat pump can save you so much money in energy costs (while helping the environment) that you will be tempted to install one immediately. however ... A geothermal system costs so much to install that you will be tempted to forget the whole thing. Bernick, Elisa Apr 1, 2011 983
Performance analysis of a ventilation air heat pump. O'Neal, Dennis; Bryant, John Report Jul 1, 2010 3717
Performance assessment of an air-to-water R-407C heat pump with vapour injection scroll compressor. Joppolo, Cesare Maria; Bianchi, Carlambrogio; Molinaroli, Luca; Magni, Filippo; Vecchi, Gianluca; Wi Report Jul 1, 2010 2846
The other heat pump: gas absorption heat pumps make sense in co climates--can they cool homes efficiently, too? Goffman, Ethan May 1, 2010 683
Dual-capacity heat pumps. Kavanaugh, Steve Apr 1, 2010 1766
3.5 MW Seawater Heat Pump Assisted Multipurpose Solar System's 25 years of operation. Todorovic, Marija S.; Pejkovic, Slobodan; Zenovic, Vido Report Jan 1, 2010 7686
Performance of a transcritical [CO.sub.2] heat pump for simultaneous water cooling and heating. Sarkar, J.; Bhattacharyya, Souvik; Gopal, M. Ram Report Jan 1, 2010 4414
Green energy breakthroughs: from smart grids to better solar panels, these five emerging technologies will help us build a brighter future. Gibson, Scott Dec 1, 2009 2683
GSHPs: simple is better. Kavanaugh, Steve Report Nov 1, 2009 890
Simplified GCHP system: one-pipe geothermal design. Mescher, Kirk Oct 1, 2009 5017
Leddy Center installs sustainable heating. Brief article Sep 11, 2009 153
Simulation model for ground loop heat exchangers. Yavuzturk, C.; Chiasson, A.D.; Nydahl, J.E. Report Jul 1, 2009 9110
A design tool for hybrid geothermal heat pump systems in heating-dominated buildings. Chiasson, A.D.; Yavuzturk, C. Report Jul 1, 2009 8652
A design tool for hybrid geothermal heat pump systems in cooling-dominated buildings. Chiasson, A.D.; Yavuzturk, C. Report Jul 1, 2009 9088
Geothermal heat pump projects to get U.S. gov't funds. Brief article Jun 2, 2009 128
Commercial open loop heat pump systems. Rafferty, Kevin D. Mar 1, 2009 4721
Heat pumps for cold climates. Roth, Kurt; Dieckmann, John; Brodrick, James Report Feb 1, 2009 2078
Water-to-water heat pumps. Hubbard, Roy Jan 1, 2009 4690
Optimization of cooling-dominated hybrid ground-coupled heat pump systems. Hackel, Scott; Nellis, Gregory; Klein, Sanford Report Jan 1, 2009 10600
The many advantages of heat pumps. Pahl, Greg Dec 1, 2008 705
Development of an electroosmotic pump-driven micro LiBr absorption heat pump system for controlling microclimate in protective clothing: feasibility review and role of the pump. Hu, J.S.; Chao, Christopher Y.H. May 1, 2008 9167
Dual-fuel heat pumps: this double-duty unit cools and helps heat your home ... for less. Replace your old A/C and save $500 each year! Hurst-Wajszczuk, Joe Feb 1, 2008 866
Green Team 2007: 'Herald and News,' Klamath Falls, Ore. Rosenberg, Jim Dec 1, 2007 640
Green Team 2007: 'The Columbian,' Vancouver, Wash. Rosenberg, Jim Dec 1, 2007 596
Ground source heat pumps in schools. MacMillan, Jim Sep 1, 2007 2422
HVAC improvements in manufactured housing crawlspace-assisted heat pumps. Lubliner, Michael; Hadley, Adam; Parker, Danny Technical report Jul 1, 2007 4488
Development of a high-performance water-to-water heat pump for ground-source application. Shiba, Y.; Ooka, R.; Sekine, K. Technical report Jul 1, 2007 5324
Applications of customized absorption heat pumps with heating capacities above 500 kW. Kren, Christoph; Keil, Christian; Plura, Stefan; Radspieler, Michael; Schicktanz, Matthias; Schweigl Jan 1, 2007 9571
A fast algorithm for the simulation of GCHP systems. Lamarche, Louis; Beauchamp, Benoit Jan 1, 2007 4507
Applying the effectiveness-NTU method to elemental heat exchanger models. Iu, Ipseng; Weber, N.A.; Bansal, Pradeep; Fisher, D.E. Jan 1, 2007 5868
Development of a ground-source heat pump system with ground heat exchanger utilizing the cast-in-place concrete pile foundations of buildings. Sekine, Kentaro; Ooka, Ryozo; Yokoi, Mutsumi; Shiba, Yoshiro; Hwang, SuckHo Jan 1, 2007 3341
Estimating energy, demand, and cost savings from a geothermal heat pump ESPC project through utility bill analysis. Shonder, John A.; Hughes, Patrick J. Jul 1, 2006 6088
Examining geothermal energy: geo*ther*mal adj. having to do with the heat of the earth's interior. Fischer, James R.; Price, Richard; Finnell, Janine Apr 1, 2006 1082
Magic heat pumps: tap free energy from the air or ground to heat and cool your home with this superefficient technology. Pahl, Greg Apr 1, 2005 3481
In hot water. Ehrenman, Gayle Apr 1, 2004 796
Efficiency from the earth: geothermal heat pumps; what could be cooler? Architect Laurie Miller gets comfortable with power straight from the Earth's surface. Miller, Laurie Brief Article Apr 1, 2002 677
Componenta and Industrifonden increase stakes in Thermia AB. Brief Article Jan 23, 2002 105
Energy conservation using the closed water loop heat pump. Rao, Guruprasad Jan 1, 2002 2687
Heated Debate. MILANO, SCOTT Brief Article Oct 1, 2001 997
HVAC. Apr 1, 2001 2180
Low-Impact Geothermal. WARDELL, CHARLES Feb 1, 2001 246
Heat from the earth. Oct 1, 1996 716
Earth-stored solar energy heats homes. Scharabok, Ken Sep 1, 1995 828
Ground source heat pumps. Schwolsky, Rick Jan 1, 1995 1834
Developing new miniature energy systems. Wegeng, Robert S.; Drost, M. Kevin Sep 1, 1994 2693
Marketing to a new generation. Wobler, Gary C. Jun 22, 1994 1081
Improving heat pumps and air conditioning: the search for technological advances is focusing on refrigerant replacements, mobile air conditioning and vapor compression technologies and absorption and geothermal heat pumps. Den Braven, Karen; Penoncello, Steve; Herold, Keith; Mei Viung; O'Neal, Dennis Sep 1, 1993 3814
Earth power cuts heating bills. Valenti, Michael Aug 1, 1992 553
Gas-fired heat pumps now on the way. Apr 1, 1992 427
Heat pumps for the 1990s. Chen, Fang C.; Freedman, Steven I. Sep 1, 1990 1833
Absorption heat pumps. Herold, Keith E.; Radermacher, Reinhard Aug 1, 1989 3346
Furnaces go underground. Ayes, Jack Dec 1, 1987 804
Warming up to heat pumps. Hayes, Jack Nov 1, 1987 752

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