How To Maintain Your Geothermal System

Ive had my system since 2001 X 2 meaning I have house decided into 2 halves. When first operating with a lot of carpet in bedrooms and hall ways. Had way more dust in filter, after getting rid of 99% of carpet, can go 1 year without changing filters. Mine are 20X20X1” I have 2 horizontal loops 1000’ 6’ deep in wet sandy loam. Only had 1 pump fail in 20 years, and it wasn’t even the pump it was a small stone from install, on me cause I installed the system. Very efficient system and would recommend this type system any time. Has worked down to 9* ambient which doesn’t affect ground water temp much at all.

I love how you sharpie'd on the warning. Reminds me of refinery work

I've been installing geo systems for almost 40 years now and no one has ever shown me a good reason to change an air filter. I have a small wet/dry shop vac and when I service units for people I just vacuum clean the existing filter which is usually mounted right beside the furnace and much thinner (1") than the one you have. The one you have you'll need the crevice tool attachment to clean, maybe, but honestly a vacuum cleaner will remove all of the dust gathered there easily. Also it's not a big deal taking the cardboard apart and putting it back together, if you're clever.

Which is better pressurized closed loop or non pressurized closed loop, what are the cons and pros of each one?

Like your video very instructive

We've got a closed loop vertical system installed by a company. Two things not mentioned is cleaning the coil and condensate pump. We let the company do the maintenance for a charge but for us it is well worth it. Also notice you have a whole house humidifier. Does the air get that dry in the winter? We had one for the oil furnace but with geo the air doesn't seem as dry.

I noticed you built the house with ICF's. I have been thinking of doing the same thing as I have installed machinery that makes Fox blocks, etc and have been very interested with the efficiency. Did you build only the basement with it or the entire exterior of the home? Also given today cost of lumber, would the price be close to the same with ICF exterior compared to 2x6? Thanks.

@Garret Glaser is there a source you used to put together your DIY install?

What is the cost of the air filters? I remember having a fancy hvac system in one of my homes and the filters were 500 bucks. lol I won't make that mistake again. lol Sounds like this is the type of system I'll be needing in my new build.

How did you acquire the equipment, Bosch do not sell to home owners, are you a licensed contractor?

I thought some of these geothermal units use similar liquids that are used in radiators in cars. I know some of these liquids should have limited exposure to oxygen. Ie. You shouldn’t keep peeking to see if fluid levels are ok. Is it the same for geothermal liquids?

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