Skip to content
PELLET DUO 20 boiler, 65K BTU
$6,051.88
BUY 3, GET 10% OFF + FREE SHIPPING
PELLET DUO 20 boiler, 65K BTU
$6,051.88
Choose your model
- All-in-One controllerCalibrate and adjust your boiler without leaving the house
- Energy savingDelivers heat comparable to wood, diesel, or oil
- Certified technologyOver 65k units sold worldwide with EN 303-5 certification
- Real-time monitoringTrack temperatures and refill needs as conditions change
- Built for long-term reliabilityWill work flawlessly for years to come
Frequently Bought Together
Total price: $6,051.88
Product details
Pellet Duo – 92% Efficiency Pellet Boiler (Up to 2 Weeks Autonomy)
High-performance automatic pellet boiler designed for maximum efficiency, long autonomy, and multi-fuel flexibility. Ideal for heating large homes with minimal maintenance.
Key Benefits
- Up to 92% efficiency for optimal heat recovery
- 4–10 days autonomy (up to 2 weeks depending on usage)
- Multi-fuel compatible (pellets, corn, grains, biomass)
- Fully automatic operation with smart combustion control
- Built with premium European materials
Specifications
- Heating Capacity: Up to 3,000 ft²
- Weight: 970 lb
- Dimensions: 43" W × 24" D × 50" H
- Automatic Hopper: 105 gal
- Manual Firebox: 18 gal (logs up to 15")
- Efficiency: 92%
- Standards: EN 303-5:2012
Customer Success Stories
I've been running the TIS EKO 55 all winter and it has been absolutely fantastic. It burns extremely clean, the efficiency is off the charts, and it easily keeps up with the bitter cold. If you want a workhorse for your property, this is it
The digital controller right on top is so easy to use—I can monitor the temperature and settings at a glance. It's incredibly well-built, handles the pellets perfectly, and gives me complete peace of mind
High Efficiency, Unstoppable Heat
The TIS EKO 55 delivers clean, powerful, and reliable warmth
Total Control with the Smart Pellet Heater
Smart digital controls make optimizing your home's heat incredibly simple.
High Efficiency, Unstoppable Heat
Total Control with the Smart Pellet Heater
PELLET DUO boilers
Main Features
-
All-in-One Controller
Calibrate and adjust your boiler without leaving the comfort of your house.
-
Energy Saving
Burning just 1 ton of pellets is released as much heat as: 3527lb of wood, 132L of diesel fuel, & 181L of oil.
-
Certified Technology
Over 65k units sold worldwide. EN 303-5 and EIN certified.
-
Real-Time Monitoring
Get instant feedback whenver temperatures change or feels needs to be refilled.
-
Virtually Silent
You won't hear it running from 10 feet away
-
Technology you can rely on
We offer a 10-year guarantee and sell spare parts so you can keep your equipment running long-term.
Efficient Heating Solution
Optimized for a variety of fuels—including pellets, grains, and cherry pits—the Pellet Duo features commercial-grade construction and a 6,200 ft² capacity, offering high-performance heating solutions for both large homes and commercial properties.
Convenient Control
Enjoy convenient control with the all-in-one controller of the Pellet Duo boiler. Calibrate and adjust settings without leaving your house, ensuring optimal performance with ease.
Energy Efficient
Save energy with Pellet Duo. Burning just 1 ton of pellets releases as much heat as 3527lb of wood, 132L of diesel fuel, and 181L of oil, providing efficient heating while reducing environmental impact.
Reliable Technology
Rely on certified technology with over 65k units sold worldwide and EN 303-5 and EIN certification. Benefit from real-time monitoring, virtually silent operation, and a 10-year guarantee with spare parts available for long-term reliability.
