When you put Al Knight and Nathan Walker together, you could say that you’ve got both sides of a split system heat pump. Knight is the outdoor split system product manager for Goodman Manufacturing.

Accessory coils have been introduced for the company’s 2- to 5-ton size mini-duct heating and cooling systems. These include cooling, hot water, chilled water, and heat pump coils. Model 2436 (2- to 3 ...