Not sure if this should be in the AOP or not, but this is kind of DIY, so I just put it here. Apologies all around if its the wrong place.
My brother in law, (lets call him Bill), has a brewery in Tennessee and he’s looking to open a tasting room. A consult indicated he needed a 3 ton unit to cool it during the summer.
He and I have access to a brand new 5 ton water furnace unit that we got surplus for $500. It has a blower built into it and just needs water/glycol circulated through it. Bill doesn’t want to spend the money to drill wells since the property is leased, plus its expensive.
We are considering using the system to cool his tasting room while heating up water for use in his boil kettle (16 barrels/500 gal) to help augment the heating process while saving some energy bills. I realize there is an issue with timing of when it needs to cool, and if there’s enough unheated water to do the job, but there is always capacity to dump heat outside and or in his huge chiller that he uses to chill his walk-in and cool the tanks. It would take some controls, but I know how to do that. We are thinking of getting some insulated water tanks (e.g. water heaters with no heater) to store the pre-heated water.
Here’s my question(s). The building code says any HVAC unit has to be certified to meet certain SEER requirements. I know this would be a innovative and efficient system, but I worry some bureaucrat would say no due to not having “official” certification. Is there a way to get a SEER rating on such a system?
I also told Bill that perhaps we can say that its not an HVAC system but rather a heat pump water heater instead, LOL.