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Geothermal HVAC : green heating and cooling /
Synopsis: In-depth, practical details on geothermal HVAC systems. This definitive guide covers commercial and residential geothermal heating, ventilation, and air conditioning technologies and explains how to take advantage of their money- and energy-saving features. Geothermal HVAC: Green Heating a...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | , , , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York, N.Y. :
McGraw-Hill Education,
[2011]
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| Edición: | First edition. |
| Colección: | McGraw-Hill's AccessEngineering.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Acknowledgments
- Introduction 1: Introduction To Geothermal Technologies
- Discovering geothermal cooling
- What is geothermal?
- What is "earth-coupled" heating and cooling?
- Clean, green energy with great promise
- Reducing peak demand
- Reducing the use of fossil fuels
- Reducing carbon emissions
- Coal-fired electricity for geothermal versus natural gas
- Summary
- 2: Heat Transfer And HVAC Basics
- Understanding heat transfer
- Heat transfer and geothermal HVAC
- Main parts of a geothermal system
- Basics of mechanical refrigeration
- Types of heating and cooling equipment
- Conventional fuel burners
- Electric resistance heating
- Heat pumps
- Passive solar
- Adiabatic, evaporative, or swamp coolers
- Direct expansion systems
- Chillers
- Absorption chiller system
- Cooling towers
- Critical issue of equipment sizing
- What is the size of my current system(s)?
- Summary
- 3: Geothermal Heat Pumps And Their Uses
- Passive and forced-air earth-coupled duct systems
- Water-source, forced-air heat pumps (water-to-air heat pumps)
- Direct expansion geothermal heat pumps
- Water-to-water heat pumps (heat pump chillers and boilers)
- Applications of geothermal heat pumps
- Pool heaters
- Domestic hot water
- Process cooling and heating
- Rooftop equipment
- Modular or piggyback units
- Package terminal heat pumps
- Vertical stack modular units
- 100% fresh air equipment
- Refrigeration systems
- Hybrid systems
- Superefficient DC HVAC
- Keeping the cows cool
- Summary
- 4: Earth Coupling Through Ground Loops
- Getting the load and loop size right
- Piping material
- Grout and backfill
- Manifolds or header systems
- Loop designs
- Vertical loops
- Horizontal loops
- Pond, lake, or ocean loops (use with caution)
- Pumping groundwater, lake water, or seawater (open-loop systems)
- Pump and reinjection
- Standing column wells
- Surficial aquifers and caisson infiltration
- Concerns with open loops
- Open loops versus closed loops
- Summary
- 5: Introduction To Load Sharing
- Benefits of load sharing
- Case of a large hotel
- Earth coupling as thermal savings bank
- Summary
- 6: Efficiency And Load Calculations Simplified
- Rating geothermal systems
- Annual fuel utilization efficiency (AFUE) (for gas furnaces)
- Cooling load in kW/ton
- Coefficient of performance (COP)
- Energy efficiency ratio (EER)
- Determining actual efficiencies
- Load calculations
- Manuals published by the air conditioning contractors of America
- Manual J: Residential heat gain and loss analysis
- Manual N: Commercial heat gain and loss analysis
- Manual D: Residential duct design
- Manual Q: Commercial low-pressure duct design
- Energy calculations and value
- Summary
- 7: Understanding Pricing And Geothermal Systems
- Factors that affect the price of geothermal HVAC
- Efficiency rating
- Quality
- System sizes
- Topography
- Load sharing
- Sales volume and competition
- Optional upgrades
- Heat recovery for domestic hot water
- Domestic hot water geothermal heat pumps
- Exchanger materials
- Compressor stages
- Hot gas reheat
- Intermediate exchangers
- Direct digital controls (DDC)
- Summary
- 8: Incentives, Tax Credits, Rebates
- U S federal tax credits
- Commercial tax credits and incentives
- Feingold-Ensign Support Renewable Energy Act
- Home star (cash for caulkers)
- Rural Energy Saving Program Act
- State and local incentives
- PACE funding
- Summary
- 9: Understanding Geothermal Project Proposals
- Typical geothermal HVAC proposals
- Poor proposals
- Good proposals
- Summary
- 10: How To Calculate Your Payback
- Determining ROI on residential systems
- ROI on geothermal pool heat pumps
- Calculating payback periods for commercial geothermal systems
- Net present value
- 30 cents a KWh: the big impact of higher electric rates
- Summary
- 11: Verifying Your Systems
- Actual SEER and EER results
- Factors that can affect efficiency
- Regional climate issues
- How to calculate your own EER
- Data points
- Minimum efficiency standards
- Summary
- 12: Life Cycles And Longevity
- Benefits of indoor equipment
- How to determine when upgrades pay off
- Summary
- 13: Common Problems And Horror Stories
- Word on water conservation
- Common issues
- Underground hazards
- Pressurized pockets
- Broken or damaged loops
- Design and installation fails
- Choosing the wrong loop type
- Unfinished jobs
- Pushy contracts
- Miscommunication, faulty equipment, inexperience-oh my!
- Misunderstanding the technology
- Summary
- 14: Geothermal Spreads around the Globe
- Geothermal HVAC efforts around the world
- Australia
- China
- Eastern Europe
- South Korea
- Western Europe
- Conclusion
- Appendix : Geothermal HVAC Resources
- Government
- Advocacy and professional
- Manufacturers
- Installers
- Index.