When we built our shop/garage a few years back,we installed what they call a ‘package unit’. It’s a heat pump, but with the evaporator in the same box as the compressor. Because our fix it guy could get a 2 ton unit at a sweet price, we went with that. The shop is 22 x 20, with a half size second floor.
The unit is right behind the shop, with the air return cut through the wall. Ductwork was needed, but easy with the unfinished ceiling. I built an intake housing with two 20 x 20 filters, right behind me. The idea is that I get a pretty good airflow, in front to behind. Triple filters, with high quality electrostatic filters being the final.
This set-up has kept me comfortable, and I believe does a nice job clearing the air. Oh, and super quiet, as everything is outside.
A bit more involved than the small units, and a few more bucks, but really good bang for the buck.
The unit is right behind the shop, with the air return cut through the wall. Ductwork was needed, but easy with the unfinished ceiling. I built an intake housing with two 20 x 20 filters, right behind me. The idea is that I get a pretty good airflow, in front to behind. Triple filters, with high quality electrostatic filters being the final.
This set-up has kept me comfortable, and I believe does a nice job clearing the air. Oh, and super quiet, as everything is outside.
A bit more involved than the small units, and a few more bucks, but really good bang for the buck.