Usually, the AC and furnace don’t stop functioning at the same time. Either the furnace requires replacement or the air conditioning unit. So, while replacing your furnace or AC system, can you mix and match the brand? It depends on the brands and units you’ll be replacing with. Read on to get a clear concept of this topic. More Info: https://greenleafair.com/can-i-mix-and-match-ac-furnace-brands/