For construction, mining and agriculture applications Red Dot has used the latest in design techniques to produce a rugged unit that combines European styling with heavy duty components that will stand the roughest of applications. The R-9777 Heater/Air conditioner is the first in our industry to employ engineered resin technology. This contemporary styling and design sets this unit far beyond the competition in appearance, durability and performance. Through Red Dot’s proven performance tests, the R-9777 has exceeded our expectations