Biomass boiler ratings part 9 continues our expert and unbiased reviews with a look at the Greenflame, Greenwood, Gren, Guntamatic, and Hargassner brands.
These pellet boilers are made and sold in the U.K. by TR ENGINEERING. The ECO SERIES offers both indoor and outdoor models and feature lambda sensors and weather compensating controls for clean burning and efficiency. The have modulating controls and are self cleaning but the guarantee on the units is not very good when compared to other brands.
The DENALI series (shown here) offers a fully automated solution that can burn grains as well as wood pellets. It has the ability to adjust the heat output to match the needs of the home and has automatic ash removal.
It is certified clean burning for EPA phase II but the warranty on the heat exchanger is not very good when compared to other brands.
This brand is made and sold in Poland but is only available through their authorized dealers. The EG-PELLET boilers are available in five sizes and feature automatic cleaning and operation. The EG-PELLET PRO is a compact unit while the EG-MULTIFUEL units can burn grains as well as wood pellets. The warranty on the heat exchanger is not very good when compared to other brands.
These units are from HEIZTECHNIK in Austria and are available in Europe. They have a variety of units for burning energy grains (POWERCORN) as well as wood pellets (BIOCOM). The BIOSTAR FLEX system is a low temperature wood pellet system with automated self cleaning technology.
These boilers are made in Austria and have electronic modulating burn controls with a lambda sensor for clean efficient burning. They offer wood chip and pellet boilers that are available in Europe in sizes from nine to two hundred kw. The NANO-PK models are compact pellet boilers with a built in hopper but the warranty on the heat exchanger is not as good as many other brands in the category.
We continue our biomass boiler ratings with an alphabetical list of manufacturers and reviews of their products. You can continue to browse our list but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.