If it is a new construction or an existing home we do a site visit to see the home and to determine the best location for the loop field vertical. But, while many of these contractors have undergone extensive training and took the time to properly design and install their ghp systems, others may not have been so careful. While glhepro may be used for residential system design, it. Im in the process of getting quotes for a geothermal install and as usual, there are as many ideas as possibilities. The build design parameters are then used in software that uses your geographic weather data to calculate the average coldest day. Geothermal heat pumps use the ground as a heat exchanger via a closedloop water circuit. By answering just a few simple questions about their home and current hvac system, the savings calculator will do the rest. Instructions are available within the application on. A couple questions have come up that id like some opinions on from anyone in. Small unit versus large unit many times during heat pump selection you will have a heat loss of a house that is between a smaller unit 3 or 4ton and a larger unit 6ton and youll need to make a decision between installing a small unit that will need to use electric heat at times but will have a smaller and cheaper loop field or a larger unit that will be able to produce plenty of. Gld is the choice of professionals in over 62 countries. Eca can import all necessary data from rhvac or be used stand.
It has free tools and articles on geothermal design and installation, and sales and marketing best practices. Gld is the leading software suite for geothermal heat pump and ground heat exchanger. The heat exchanger may be composed of any number of boreholes arranged in various configurations. While glhepro may be used for residential system design, it is aimed at commercial systems. My home is all electric is currently heated by an 8 year old 4 ton air source heat. Looplink pro and looplink rlc are purpose built to make the complicated business of ground loop design fast, easy and accurate. An installer will start with an analysis of the heating and cooling demands of your home. The hvac contractor originally sized a closed vertical loop 3ton waterfurnace envision dual speed 038.
The geothermal system does cost money in electricity to operate lets look at those numbers. As customer interest in geothermal has increased, numerous hvac contractors have begun offering ghps as a way to expand their businesses and give their customers another energy. Ground source heat pumps and direct exchange heat pumps that use geothermal energy are. Midfebruary, 2018 the 12th actually, congress voted to extend a 30 percent federal tax credit for geothermal heat pump installations. Design of geothermal systems for commercial and institutional buildings, which is recognized as the primary. Residential windowsbased revolutionary geothermal hvac.
Gld software residential windowsbased revolutionary. There are a number of factors that determine how big of a pump. Ground loop heat exchanger design software building. Thats because it will satisfy the temperature setting on your thermostat before it can adequately remove sufficient moisture from the air which is what makes you feel so sticky and uncomfortable in summer. Sizing geothermal heat pump system ground loop space in. When building a new house, your builder, designer, or architect will have most likely done a heat load or heat demand calculation for you.
There is also wrightsoft and elitesoft, but they dont offer temporary use licenses. Collaborating with experienced professionals who size. Elite software offers a program called eca earth coupled analysis for the calculation of ground loops in horizontal, vertical, and slinky configurations. An easytouse, but sophisticated method of analyzing various hybrid geothermal configurations is one piece that has been missing from the world of geothermal analysis tools.
Assuming your old heater is properly sized you can then use this to calculate the size of the new geothermal heater. Pleiades is a powerful userfriendly software environment for building ecodesign. In geothermal designs, dont succumb to rules of thumb 2016. Rhvac online is the only web based application on the market today that can do all three code required acca manual j, d.
An easytouse, but sophisticated method of analyzing various hybrid geothermal configurations is one piece that has been missing from the world of. This loop connects the heat pump to the ground or water. He is an igshpa certified trainer and an aee c ertified geoexchange designer. The hvac contractor originally sized a closed vertical loop. Browse through special sale on geothermal heat pump unit, find heating contractors near me for air conditioner maintenance and installations. It is provides dynamic energy simulations comfie, daylighting and natural ventilation simulations, regulations compliance, hvac sizing and consumption, etc. As you can see in the chart to the left we increased our electricity use by around 4,000 kwh annually. Rhvac desktop is a windows program, and rhvac online is a web application able to run on all internet devices including ipads, tablets, computers, and smart phones.
This new work takes advantage of the many lessons learned since the time of the. Commercial geothermal heating and cooling system design. Geothermal heat pump unit heating and cooling system. Available and suitable land area may be a constraint as to the feasibility of installing a geothermal heat pump system. The installation should follow the prescriptions of the international ground source heat pump assn. In geothermal designs, dont succumb to rules of thumb. This reference page has an index that will guide you directly to geothermal software and programs online. This federal tax credit would drop the installation cost to make it more competitive with traditional heating and cooling systems. This web page focuses on computer programs for geothermal hvac systems. Designers can now choose between fixed temperature mode and fixed length mode in fixed length mode, specify a field configuration and borehole depth and hit calculate to determine the inlet. Glhepro was developed as an aid in the design of vertical boreholetype ground loop heat exchangers used in geothermal heat pump systems. Geothermal installation by the numbers in pennsylvania.
Geothermal systems that work by design, not by accident ground loop design software gldtm is the worlds leading commercial ghx software design tool with design professionals in more than 60. Three most common mistakes made by geothermal designers. Software geoconnections is the geothermal industrys leading software as a service saas company. Calculated heating load 59,500 btu calculated cooling load 42,500 btu according to the attached chart i could use a 6 ton for the heating load, but only need a 4 ton for cooling.
Geothermal heat pumps commercial geothermal hvac systems. He is a soughtafter expert on geothermal hvac, and his team has. Feb 15, 2016 as customer interest in geothermal has increased, numerous hvac contractors have begun offering ghps as a way to expand their businesses and give their customers another energyefficient hvac option. At ground loop, we use multispeed geothermal equipment so that a system can be sized to handle both your heating and your cooling needs. Software tools such as mcquays energy analyzer can be used to track the energy consumed by heat pumps in boilertower and geothermal systems.
Gld is the leading software suite for geothermal heat pump and ground heat exchanger system design. Hvac design software duct, piping and system layout programs. Gld software windowsbased revolutionary geothermal. During the cold winter months, the geothermal hvac system takes heat out of the ground and transfers it into the building. Gld software windowsbased revolutionary geothermal hvac. Adtek acca manual j manual d manual s hvac heat load loss. The length of tubing required in the loop is a special calculation.
I live in cincinnati, oh and i am zeroing in on purchasing a geothermal heat pump for my 5800 sf conditioned home. Jay egg is a certified geothermal designer and founder of egg systems, an hvac services company focused on geothermal technology. Jeppesen has been involved in the geothermal industry for many years as a contractor, researcher, geothermal training center instructor and design engineer. A geothermal system can usually be implemented by any heatingcooling application providing that favorable conditions exist to do the geothermal wellfield installation.
Thats because it will satisfy the temperature setting on your. And during the hot months of summer, the system removes heat from the building and transfers it back into the ground. My hvac contractor is soon to install a bryantclimatemaster geothermal heat pump. Jul 16, 2012 its essential to properly size a geothermal unit. Geoconnections is the geothermal industrys leading software as a service saas company. A system that is too large will cool or heat your house quickly, but you still may not feel comfortable. Jeppesen has been involved in the geothermal industry for many years as a contractor, researcher, geothermal training. Geolink design studio combines geothermal engineering design with annual operating cost comparison and sales proposal software. Geothermal heat pumps vary in size from home to home. Oct 01, 2010 we decided on geothermal hvac right away, in part based on information provided here.
If it is a new construction or an existing home we do a site visit to see the home and to determine the best location for the loop field vertical bore, horizontal bore, horizontal dig, open loop or pond loop. Geothermal systems that work by design, not by accident ground loop design software gldtm is the worlds leading commercial ghx software design tool with design professionals in more than 60 countries using it in a dozen different languages to design english and metric based systems. Generally a separate zone is established if one or more of the following criteria apply. Elite software 30 hvac software programs for all aspects of hvac, plumbing and electrical system design.
Geothermal hvac system installation company upgrading to. If you decide youd like the full version of the program, click on the registration box in the demo software and follow instructions. The geothermal system uses 60% of the energy used by the boilertower system. Now this is where a true geothermal contractor can really help the home owner. Many geothermal companies have software programs that help us determine unit and loop size needed. The use of two or more small units is referred to in the hvac trade as zoning. Ask 5 people and they tell you 18 opinions on the software. Since sizing a geothermal heat pump is a intricate process youll need to contact a. Both agreed on the load for my house project, and a year later im happy with the sizing that resulted. During the cold winter months, the geothermal hvac system takes heat out of the ground and transfers it into the. Collaborating with experienced professionals who size and install ground loops is essential. How many acca load calculation and design manuals are there.
We designed a geothermal savings calculator that can help show your customers how much they can potentially save by installing a climatemaster geothermal heat pump system. Geothermal heat pump system sizing for new construction. We decided on geothermal hvac right away, in part based on information provided here. Geothermal bore field software hvacr engineering engtips. Sep 17, 2018 pleiades is a powerful userfriendly software environment for building ecodesign. Once we know what the loads are, then we look at sizing our unit. According to enertech manufacturing llc, the international ground source heat pump associations igshpas clgs ground heat exchanger design program has been. Fundamentals of commercial geothermal wellfield design. Geothermal heating and cooling is a complete revision of groundsource heat pumps. Since sizing a geothermal heat pump is a intricate process youll need to contact a qualified geothermal heat pump installer. Manuals and submittals sheets on central air conditioning. This easy to use software package allows a quick design and proposal to.
It is provides dynamic energy simulations comfie, daylighting and natural ventilation simulations. For example, a typical home needs more heating than it does cooling, so your home may require a 4 ton system for heating, but in the summer you may only need 2 tons for cooling. Based on methods developed by the osu design manual for the general method, ashrae design manual for fundamental calculations, cavanaughalabama for lakepond calculations, and nrecaosuepri for slinky calculations. This easy to use software package allows a quick design and proposal to be generated for any residential or light commercial project. For over 30 years, our team of specialists have been working with. Figure 1 shows annual energy usage for a 160,000 ft. This is the most important element of the geothermal design and is typically performed using thirdparty software. For over 30 years, our team of specialists have been working with the top names in hvac to develop new software to build more profitable businesses and increase industry standards. This new hygchp hybrid ground coupled heart pump modeling tool, fills a gap for engineers and designers by modeling.
A heat load analysis shows that i need around 10 tons capacity 1 5ton and 2 2. In 1986, acca air conditioning contractors of america released their manual j ansiacca 2 manual j 2016 load calculation. Manuals and submittals sheets on central air conditioning systems, ductless heating and air units, window heating and air, ptac or pthp air conditioning and portable air system for a house or business use. A heat load calculation is a calculation that determines the loss of energy your house will experience based on the exterior dimensions and the insulation used in the home, as well as the number of windows. He says i can go with either a 5 or 6 ton size because im between sizing. Here you can find software programs that model geothermal systems and economics, as well as data related to geothermal technology and energy to assist with calculation and. By biggest question is about my sizing methodology does it work using by current system performance to establish btu load per deg. Design of geothermal systems for commercial and institutional buildings, which is recognized as the primary reference for nonresidential groundsource heat pump gshp installations. Here you can find software programs that model geothermal systems and economics, as well as data related to geothermal technology and energy to assist with calculation and model construction. Rightloop provides quick, easy and accurate geothermal loop designs that comply with all industry standards.
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