There isn't a lot out about them but a few owners. Due to the name you'll need to pick through the Torque RV posts that get mixed in with the torque wrench posts, but there a few threads that might help you out
here.While your searching read about Heartland as a whole. Some mixed feedback from Toy Hauler members about service over the years. But as always things ebb and flow year to year.
Two Wire Fox Terriers; Sarge & Sully
2007 Winnebago Sightseer 35J
2020 Jeep Gladiator Rubicon