2023 Heartland Sundance Ultra Lite 21HB.

2023 Sundance 21HB: The Adventure Hybrid

The "HB" stands for Hatch Back, a feature that transforms this travel trailer into a hybrid toy hauler. The rear wall includes a large flip-up door with a screen, allowing you to load bikes or kayaks directly into the living area.

 Signature Living Highlights

Front Murphy Bed Suite: To maximize square footage, this model features a fold-away Murphy bed over a residential-style sofa. By day, you have a wide-open living room; by night, it converts into a comfortable sleeping space.

Rear Utility Lounge: The back of the unit features a free-standing dinette table with removable seats. This area doubles as a cargo hold when the hatch is open, and it includes floor-mounted tie-downs to secure your equipment.

360° Rotating Slide-Out TV: A clever engineering touch—the TV is mounted on a swivel in the center of the coach, allowing you to watch from the front sofa/bed or the rear dinette.

Modern Chef's Kitchen: Equipped with pressed countertops, a deep-seated stainless steel sink, and a 10.7 cu. ft. 12V residential refrigerator.

Vaulted Ceilings: The interior features 6'9” vaulted ceilings, providing a sense of openness and extra headroom that is rare in small, lightweight trailers.

Heated & Enclosed Underbelly: The holding tanks are enclosed and heated by 2-inch furnace ducts, extending your camping season into the colder months.

Colossal Pass-Through Storage: Features motion-activated LED lighting and a massive opening for chairs, grills, and larger camping essentials.

13,500 BTU Ducted A/C: A high-efficiency cooling system that is ducted throughout the unit for even temperature control.

 "Ultra Lite" Construction & Exterior

Azdel Laminated Sidewalls: Built with Azdel composite panels instead of wood. This makes the walls lighter, provides better insulation, and ensures they are 100% resistant to rot and mold.

Painted Fiberglass Front Cap: Includes integrated LED accent lights and a high-gloss finish that protects against road debris and UV damage.

Walkable TPO Roof: Constructed with aluminum trusses and a one-piece TPO membrane, the roof is fully walkable for easy maintenance.

Keyed Alike System: Simplifies your life at the campsite by using one single key for every lock on the unit.

Custom Owner Upgrades & Premium Tech

This specific unit has been professionally enhanced with high-end aftermarket additions for superior connectivity, security, and convenience:

Starlink Satellite System: High-speed, low-latency internet for remote work or streaming anywhere.

Winegard 360 System: Integrated omnidirectional antenna for superior HDTV and radio reception.

On-Demand Tankless Water Heater: Upgraded for an endless supply of hot water—no more waiting between showers.

RVLock Keyless Entry: Bluetooth-enabled keypad with remote fobs for secure, key-free access.

Ready Vision Heavy Duty Wi-Fi Rear Camera: Enhanced visibility for safer backing and lane changes.

Internal Electrical Surge Protector: Features a digital readout to monitor power quality and protect your electronics.

LevelMatePro: Digital leveling system that allows you to level the unit perfectly using your smartphone.

Lippert Tire Management System (TMS): Real-time tire pressure and temperature monitoring for safety on the road.

Smart Plug Integration: Modern electrical upgrades for safer and more efficient power connectivity.