How-to #26: Making Your Noisy RV Furnace Quiet

Have you ever cursed your RV furnace for waking you up in the middle of the night? Have you ever had to turn up the TV a few notches when the RV furnace kicks on? RV furnaces are notoriously noisy for a number of reasons. Generally, most of the noise comes from the high-speed fan which is then amplified by the enclosure the furnace sits in. This how-to focuses on how to reduce the furnace noise using soundproofing material and a little airflow trick that will lower the noise level to a dull roar.