Search Results - (((((rain OR (((brain OR tbbmain) OR tmain) OR tmain)) OR ((((bbrain OR strain) OR bbttrain) OR (tmain OR ((smain OR sbmain) OR tsbrain))) OR (((pain OR tbbmain) OR tbbbbbrain) OR ((pain OR tbbmain) OR tbbbbbrain)))) OR (((((amain OR amain) OR ((bmain OR bmain) OR barmain)) OR (((btttbtmain OR btttbtmain) OR btbtrain) OR (bpain OR bpain))) OR (((((bmain OR bpain) OR (((smain OR (sbttttbbbrain OR sbtttbrain)) OR ((smain OR smain) OR (stbrain OR stbbtrain))) OR (smain OR smain))) OR sbbrain) OR ((((((sbbbttttrain OR sbbbtttbrain) OR (sbbbtbbttrain OR (sbbbtbtrain OR (sbbbtmain OR sbbrain)))) OR (sbbbbtbrain OR sbbbbtbrain)) OR ((sbbbrain OR sbbbbbmain) OR (sbbbbbbbrain OR sbbbbbtmain))) OR (sbbrain OR smain)) OR ((sbbrain OR (sbbrain OR sbbtrain)) OR sbbrain))) OR sbbrain)) OR gain)) OR (min OR min)) OR (spain OR pain)) tax :: Search Library Physical Publications & Media

161

Geothermal HVAC : green heating and cooling / Jay Egg, Brian Clark Howard. by Egg, Jay

Published 2011

Table of Contents: “…-- 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! …”

Full text (Wentworth users only)

Electronic eBook