DIY 4th Generation 9K - 36K BTU Heat Pump Wall Mount Air Handler 115-230 volt and Enhanced WiFi (Works with Alexa, Works with Go BTU:12K BTU At eight ounces it runs

At eight ounces it runs with headroom and holds RH steady longer between swaps

Extraction equipment

The design is focused on ease of use

A 120-140 degree beam angle distributes photons across tall greenhouse hang heights

32 oz to 55 Gallon: The rate stays the same as you scale

DIY 4th Generation 9K - 36K BTU Heat Pump Wall Mount Air Handler 115-230 volt and Enhanced WiFi (Works with Alexa, Works with Go BTU:12K BTU At eight ounces it runsMrCool DIY 4th Gen Air Handler for Quiet Room Climate In a sealed grow room or greenhouse, a swing between hot and humid stresses the canopy and invites mold. A loud window unit only trades one problem for another. This wall mounted indoor air handler answers with a 12,000 BTU inverter heat pump. It cools and heats a space up to about 500 square feet. The inverter ramps output to hold a set temperature instead of cycling hard. The canopy stays even