How Much My DIY Geothermal System Cost

In this video, I share how much my diy geothermal system cost and give a breakdown of the major components of the system. When I totaled everything up, I was shocked that my geothermal system was the equivalent cost of a regular heat pump. My system is so much more efficient and will pay me in saving every single month. If you are willing to put in the time and energy, you too can have an inexpensive, highly efficient hvac system.

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[BreakingBarriersDIY]

Really glad to see that item cleared up about antifreeze being for more than frost levels...as you stated the unit does some freezing of the liquid as well. Thanks for this great information

[j.ross]

J.B.R.
Thank you Garrett for the simplification of the system and the DIY work and costs. I will be adding a Bosch system to our new build hopefully in 2021, SE Virginia. For years I have thought of doing it at the present house, but as you pointed out, much easier when you have the room and building new than on a smaller lot and drilling multiple wells. Costs will be lower using your fan method and I will rent the excavator for a week to dig the trenches. Thanks again for your insight. This will help me immensely.

[wendygrant]

I'd like to know. How cold are winters in your area? How warm are summers?
And how much KWh electricity does your system use whole year around?

[saidalgeder]

Thank you very much, I really learned a lot from you, thank you from Libya.

[myselfalone]

:) one more nice video!

I feel like back in university and you the professor explaining in details how to do a project work :)

[paulnovak]

I want to diy my geo but need help in the design and specing the equipment. Also building icf. In fact our situations are strikingly similar so your channel has been great

[bobjoatmon]

Thanks for the details
Sound is better than it used to be too

[jakeglenn]

Thanks Garrett, . Here is Texas we have high property taxes and high population growth. The average US home is only 2500 SQ and this number will be declining in the future. Currently in the US, we have 70% of the age group between 19 and 40 are Single marital status so there is no need for even a 2500 SF home in most areas. Of course this trend can change. It looks like you have a passion for Geothermal. Have you considered starting your own firm to install systems? It looks like you are already on the right by finding a low cost supplier.

[benjaminhead]

Great informative video. It might be worth mentioning, at least for new builds, that by going radiant in-floor, even more savings could be realized.

[christianmontenegroaraya]

Thanks a lot for this valuable content!

[gpyle]

You just answered my pipe diameter question. Great information. Thank you.

[gianr]

Many thanks. Very detailed informations. I would try to make myself too.

[flynnjp]

Very informative and helpful video, thank you!

[inmyimage]

Thanks for the breakdown of your build costs, would love to see a spreadsheet/document or an updated version (for all of your cost videos) that broke out the actual parts cost separate from the labor costs given what can be large variations in labor costs in different areas of the country, especially for DIY’ers who will do most of the labor themselves.

Otherwise, really appreciate the videos and transparency given that most people don’t feel comfortable talking about their hard numbers. We plan to start building our retirement home using ICF sometime in the next 2’ish years but will be doing it in stages and providing as much of the labor as we possibly can and hiring an experienced ICF home builder as a consultant to answer questions, provide individualized guidance and review our work along the way. He lives in our state about 2-3 hours from the areas we are considering for land to build on so he will also be knowledgeable about our state codes too.

[nicholaspablocmith]

Tax credits are great but it means you have to have tax liability equal to or greater than the credit. Otherwise you get no benefit. But you may be able to apply the credit over multiple years?

[kino_cinante]

Does this include the cost of the digging and excavating? Roughly how much did it cost of dig the ground and install the loop? Even if you did it yourself how much did it cost if you prcied your time at $100/hr.

[tallisman]

A lot of people seem to make the same mistake... They oversize the system thinking it works better... In reality it doesn't because it doesn't run long enough to remove excess humidity

[superspeeder]

Did you consider building a more energy efficient envelope instead of needing two large ground source units? Seven tons of heating is huge, even six as you mention could have worked, given a good portion of your build is below grade.

I’m building a two storey with basement, 5400 sqft total, so about 2/3 the roof and basement area of your bungalow, but the design heat load is only 2 tons (99% design temp is -13F but I designed for -22F/-30C). It’s super insulated (R55 walls, R11 windows) and a good portion of the added cost for the envelope is saved by needing smaller hvac.

Not knocking your build at all; I’m a fierce supporter of DIY and ICF construction certainly has its benefits. Just curious about your approach given the large heat load. Thanks!

[skizzik]

I have 300ft deep pair of wells and 7 trenches but I have a 7, 000 sqft ranch and a 100x50ft "shop" but the shop isn't heated by the geo just cooled. Im not sure the tonnage. I just dug the holes lol. I didnt pay a lot of attention to my shit to be honest, ok have a guy who takes care of that stuff in addition to groundskeeping and general maintenance of my 85 acres. I have a 1 acre solar farm planned for the near future in addition to my basically whole roof unit and my wind turbine. I have 135kwh of batteries, fingers crossed my solar farm will cover my baseload needs!!! Hard part is charging the EVs and running my 30HP air compressor to fill the 7, 000 gallon of air if I have any of the CNC machines running parts I hit the grid pretty hard

[jakeglenn]

Can you list the supplier website for the kits on all your geothermal posts? Thanks