Residential windowsbased revolutionary geothermal hvac. Geolink design studio combines geothermal engineering design with annual operating cost comparison and sales proposal software. Software tools such as mcquays energy analyzer can be used to track the energy consumed by heat pumps in boilertower and geothermal systems. Manuals and submittals sheets on central air conditioning. Geothermal installation by the numbers in pennsylvania. Geothermal bore field software hvacr engineering engtips. This web page focuses on computer programs for geothermal hvac systems.
Geothermal heating and cooling is a complete revision of groundsource heat pumps. An installer will start with an analysis of the heating and cooling demands of your home. Since sizing a geothermal heat pump is a intricate process youll need to contact a qualified geothermal heat pump installer. Collaborating with experienced professionals who size and install ground loops is essential. Sep 17, 2018 pleiades is a powerful userfriendly software environment for building ecodesign. Ask 5 people and they tell you 18 opinions on the software. 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 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.
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. Both agreed on the load for my house project, and a year later im happy with the sizing that resulted. The installation should follow the prescriptions of the international ground source heat pump assn. Now this is where a true geothermal contractor can really help the home owner. Glhepro was developed as an aid in the design of vertical boreholetype ground loop heat exchangers used in geothermal heat pump systems. 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. Instructions are available within the application on.
My hvac contractor is soon to install a bryantclimatemaster geothermal heat pump. Geothermal heat pumps vary in size from home to home. 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 easy to use software package allows a quick design and proposal to be generated for any residential or light commercial project. Gld is the choice of professionals in over 62 countries. This is the most important element of the geothermal design and is typically performed using thirdparty software. In geothermal designs, dont succumb to rules of thumb. Gld software windowsbased revolutionary geothermal hvac.
Gld software windowsbased revolutionary geothermal. This federal tax credit would drop the installation cost to make it more competitive with traditional heating and cooling 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. According to enertech manufacturing llc, the international ground source heat pump associations igshpas clgs ground heat exchanger design program has been. Geothermal heat pump system sizing for new construction.
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. It has free tools and articles on geothermal design and installation, and sales and marketing best practices. By biggest question is about my sizing methodology does it work using by current system performance to establish btu load per deg. 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. Rightloop provides quick, easy and accurate geothermal loop designs that comply with all industry standards. 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.
Geothermal heat pump unit heating and cooling system. A system that is too large will cool or heat your house quickly, but you still may not feel comfortable. 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. Thats because it will satisfy the temperature setting on your. Eca can import all necessary data from rhvac or be used stand.
Elite software offers a program called eca earth coupled analysis for the calculation of ground loops in horizontal, vertical, and slinky configurations. Adtek acca manual j manual d manual s hvac heat load loss. Design of geothermal systems for commercial and institutional buildings, which is recognized as the primary. Geoconnections is the geothermal industrys leading software as a service saas company. Many geothermal companies have software programs that help us determine unit and loop size needed. Geothermal heat pumps commercial geothermal hvac systems. When building a new house, your builder, designer, or architect will have most likely done a heat load or heat demand calculation for you. Browse through special sale on geothermal heat pump unit, find heating contractors near me for air conditioner maintenance and installations. This loop connects the heat pump to the ground or water. This easy to use software package allows a quick design and proposal to. During the cold winter months, the geothermal hvac system takes heat out of the ground and transfers it into the building.
While glhepro may be used for residential system design, it. The hvac contractor originally sized a closed vertical loop 3ton waterfurnace envision dual speed 038. The length of tubing required in the loop is a special calculation. Gld is the leading software suite for geothermal heat pump and ground heat exchanger system design. For over 30 years, our team of specialists have been working with. Design of geothermal systems for commercial and institutional buildings, which is recognized as the primary reference for nonresidential groundsource heat pump gshp installations. Im in the process of getting quotes for a geothermal install and as usual, there are as many ideas as possibilities. Sizing geothermal heat pump system ground loop space in. Commercial geothermal heating and cooling system design. By answering just a few simple questions about their home and current hvac system, the savings calculator will do the rest. Available and suitable land area may be a constraint as to the feasibility of installing a geothermal heat pump system. He is an igshpa certified trainer and an aee c ertified geoexchange designer. Looplink pro and looplink rlc are purpose built to make the complicated business of ground loop design fast, easy and accurate.
Software geoconnections is the geothermal industrys leading software as a service saas company. Rhvac online is the only web based application on the market today that can do all three code required acca manual j, d. Fundamentals of commercial geothermal wellfield design. I live in cincinnati, oh and i am zeroing in on purchasing a geothermal heat pump for my 5800 sf conditioned home. If you decide youd like the full version of the program, click on the registration box in the demo software and follow instructions. An easytouse, but sophisticated method of analyzing various hybrid geothermal configurations is one piece that has been missing from the world of.
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. 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. This reference page has an index that will guide you directly to geothermal software and programs online. This new work takes advantage of the many lessons learned since the time of the. In 1986, acca air conditioning contractors of america released their manual j ansiacca 2 manual j 2016 load calculation. There is also wrightsoft and elitesoft, but they dont offer temporary use licenses.
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. 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. Assuming your old heater is properly sized you can then use this to calculate the size of the new geothermal heater. 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. The geothermal system does cost money in electricity to operate lets look at those numbers. 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. As you can see in the chart to the left we increased our electricity use by around 4,000 kwh annually. Jay egg is a certified geothermal designer and founder of egg systems, an hvac services company focused on geothermal technology. At ground loop, we use multispeed geothermal equipment so that a system can be sized to handle both your heating and your cooling needs.
The hvac contractor originally sized a closed vertical loop. Gld is the leading software suite for geothermal heat pump and ground heat exchanger. Oct 01, 2010 we decided on geothermal hvac right away, in part based on information provided here. He is a soughtafter expert on geothermal hvac, and his team has. Three most common mistakes made by geothermal designers.
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. There are a number of factors that determine how big of a pump. Gld software residential windowsbased revolutionary. Figure 1 shows annual energy usage for a 160,000 ft. Hvac design software duct, piping and system layout programs. During the cold winter months, the geothermal hvac system takes heat out of the ground and transfers it into the. 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. Since sizing a geothermal heat pump is a intricate process youll need to contact a. A heat load analysis shows that i need around 10 tons capacity 1 5ton and 2 2. Geothermal heat pumps use the ground as a heat exchanger via a closedloop water circuit. The heat exchanger may be composed of any number of boreholes arranged in various configurations.
Jul 16, 2012 its essential to properly size a geothermal unit. 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. His original manual j calculation showed the system was slightly oversized but still ok. And during the hot months of summer, the system removes heat from the building and transfers it back into the ground. 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. My home is all electric is currently heated by an 8 year old 4 ton air source heat. Midfebruary, 2018 the 12th actually, congress voted to extend a 30 percent federal tax credit for geothermal heat pump installations. How many acca load calculation and design manuals are there. It is provides dynamic energy simulations comfie, daylighting and natural ventilation simulations. The use of two or more small units is referred to in the hvac trade as zoning. Ground loop heat exchanger design software building. The build design parameters are then used in software that uses your geographic weather data to calculate the average coldest day.
It is provides dynamic energy simulations comfie, daylighting and natural ventilation simulations, regulations compliance, hvac sizing and consumption, etc. 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. He says i can go with either a 5 or 6 ton size because im between sizing. Pleiades is a powerful userfriendly software environment for building ecodesign. Three most common mistakes made by geothermal designers if youre new to the geothermal heat pump industry, read the geothermal 101 reading list. Jeppesen has been involved in the geothermal industry for many years as a contractor, researcher, geothermal training. While glhepro may be used for residential system design, it is aimed at commercial systems. We decided on geothermal hvac right away, in part based on information provided here.
Once we know what the loads are, then we look at sizing our unit. Collaborating with experienced professionals who size. Use geothermal software for design, sizing and load calculations to make a sales presentation look even more professional. Ground source heat pumps and direct exchange heat pumps that use geothermal energy are. 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. The geothermal system uses 60% of the energy used by the boilertower system.
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