While similar (at first glance) to other inexpensive diesel heaters, the Sunster Diesel Heater is the quietest heater we have tested so far with ZERO fuel pump noise. This is certainly worth checking out.
Sunster Toolbox on Amazon
https://www.amazon.com/dp/B0D49WJMCK?th=1
Use discount code ‘Garrison15’ for 15% off