With our wood boiler ratings, you get free advice from a professional. Our simple rating system gives each brand a color code and a star rating. If the card is green, then, that is one of the top picks from HvacRepairGuy. If the card is yellow, then, that would be a budget pick from HvacRepairgGuy. If the card is red, then, the brand is not recommended by HvacRepairGuy. It truly is like you were taking a repairman shopping with you!
Our top pick for both indoor and outdoor wood boilers is the HEATMASTER brand. The brand offers EPA certified clean burn models and is available in the U.S. and Canada.The units are made of stainless steel for durability and are backed by a very good warranty. The G SERIES model can be installed either indoors or outdoors and is EPA certified for clean burning.
The Wood Gun E series gasification boilers feature stainless steel construction for durability. They are made in the USA and can burn wood by-products as well as logs. They have a domestic hot water coil and a decent warranty. alternateheatingsystems.com
This brand is made in Italy and is available in Europe. The units feature a durable stainless steel combustion chamber and use wood gasification technology for clean burning. They offer a variety of units but their website is not much help and does not have a stated warranty policy. arcacaldaie.com
These boilers are made in Sweden and available in Europe. The VEDO models use wood gasification technology for clean efficient burning. They have a durable ceramic hearth and advanced digital controls. The units can also be adapted to burn wood pellets with an optional pellet burner but their website is not much help and does not have a stated warranty policy. ariterm.se
The DP models are made and sold in Europe. They feature a modulating combustion fan and gasifying technology for efficient combustion as well as refractory lining. The manufacturer's website is not much help and does not have a stated warranty policy. attack-sro.sk
This brand is made in Canada and offers compact units that are designed to be added on to an existing boiler system. They offer two sizes of units and feature a standard domestic hot water coil. The CC500 boilers can burn wood or they can burn fuel oil for added convenience. The guarantee on the units is not very good when compared to other brands. benjaminheating.com
This brand is manufactured in Poland by HAMECH and imported to the USA and Canada by NEW HORIZON CORP. The NextGen models are available in five sizes to match the size of the home and feature gasification technology for clean efficient burning. The units should have a backup power supply when installed to prevent overheating. They also offer COMBO units which can burn oil or gas as well as cord wood. The warranty (especially on electrical parts) is not as good as some of the other brands. newhorizoncorp.com
This brand is a part of BOSCH THERM GmBH. The LOGANO S161 boilers use wood gasification technology and feature a modulating exhaust fan as well as a refractory heat exchanger. The manufacturer's website is not much help and does not have a stated warranty policy. buderus.de
These boilers are made in Bulgaria by NES LTD and are sold throughout Europe. The PYROBURN ALPHA is a gasifying unit (clean burning) and has a variable speed draft fan. They are available in three sizes but the warranty is not very good. sunsystem.bg
This brand is made in Turkey and is available throughout Europe. The MEGATHERM PLUS range offers six sizes of boilers that use gasification technology for cleaner burning. They feature electronic modulating controls but their website does not have a stated warranty policy. caldera.com
The CARINCI REVERSE offers two sizes of boilers that are made and sold in Italy. Their website is not much help and does not have a stated guarantee for their boilers. termocaminicarinci.it
These boilers are made in Croatia and are sold in Europe. The BIOSOLID models are available in three sizes and feature digital controls and a fireclay lining for clean burning of the wood. The BIO TEC-L models are gasification boilers for clean burning and use a lambda probe to maximize the efficiency. Their website does not have a stated warranty policy. centrometal.hr
These units are made in Turkey and are available worldwide. The EKO SERIES offers units with gasification technology and digital modulating controls. Their website is not much help and does not have a stated guarantee for their products. cetikisisan.com.tr
This brand is from GreenTec Manufacturing Inc. They have a durable stainless steel firebox but their warranty is not very good when compared to other brands. Their INDOOR SERIES units are designed to be installed in a garage or shop and are available in three sizes. crownroyalstoves.com
This brand is made in Sweden and is a part of ENERTECH AB. The V40/V22 LAMBDA models feature a thermobed ceramic combustion chamber for durable clean burning operation. They are available in only two sizes and the guarantee on the heat exchanger is not very good when compared to other brands. ctc-heating.com
The TWINFIRE boilers feature gasification technology for clean burning and are available in two sizes. They are made in Italy and feature electronic controls but their website is not much help. The warranty on the units is not very good when compared to other brands. ctm-italia.it
This brand is a part of BDR THERMEA and is available in Europe. The CF 120 CSE units are made of cast iron. Their website is not much help and does not have a stated guarantee for their products. dedietrich-heating.com
The ASPIROTRONIC boilers have electronic controls and are available in five sizes to match the heating needs of the home. Their website is not much help and does not have a stated warranty policy. domofire.at
The BSC FI boilers are clean burning units with programmable electronic controls. The guarantee on the heat exchanger is not very good. ecofaber.com
This brand is from DUNKIRK METAL PRODUCTS. The EBW boilers are available in both indoor or outdoor models. They are clean burning gasification boilers but their website does not have a stated warranty policy. econoburn.com
These units are made in Sweden and are sold in Europe and the USA. They use lambda control for efficient clean burning. Their website is not much help and the warranty on the units is not as good as many brands. effecta.se
This brand is from PRO FAB INDUSTRIES. The ELITE XT range offers both indoor and outdoor boilers that use gasification technology for clean burning. Their website does not have a stated guarantee for their products. profab.org
This brand is made in Italy and offers only two sizes of units. Their website is not much help and the warranty is not as good as many other brands. enerkos.it
These boilers are made in Austria and sold in Europe and Japan. They are available in five sizes to match the heating requirements of the home and feature easy cleaning of the heat exchanger with a built in cleaning lever. They use a lambda combustion control which controls the variable speed exhaust fan to maintain peak operation. Their website is not much help and does not have a stated warranty policy. eta.co.at
This brand is available in Europe. The KERAM models are available in five sizes to match your home. The RESERVEN II units include a cooktop. The manufacturer's website is not much help and does not have a stated warranty policy. euronom.se
These boilers are made in Italy and are sold in Europe. The FCL is a basic unit with an optional domestic hot water coil. Their website is not much help and does not have a stated warranty policy. facicaldaie.com
The NATUR L boilers are made in Spain and are available throughout Europe. They feature modulating electronic controls but their website is not much help and does not have a stated guarantee for their products. facody.com
This brand is made in Ireland. The BIO-TEC range offers units that use wood gasification technology for clean efficient burning. They have electronic controls but many of the main parts of a system are not included in the unit such as the pump and expansion tank. The warranty is not as good as some of the other brands. firebird.ie
This brand is made in Austria and is available worldwide. The S4 TURBO models feature a durable silicon carbide combustion chamber and offers an optional automatic ignition device. They have electronic modulating controls for efficient operation but the guarantee on the units is not very good when compared to other brands. froeling.com
These boilers are made and sold in Poland. They feature basic technology and the warranty on the heat exchanger is not very good. galmet.com.pl
This brand features clean burning boilers that are made in the USA by DECTRA CORPORATION. The units are available in four sizes and are rather large as they incorporate a large water tank for thermal storage. The units use external air that is preheated to enhance combustion efficiency. The boilers can be vented either vertically or horizontally but their size makes them harder to install than other brands. They have digital controls and offer an optional electric heat package but the guarantee on the boiler body is not very good when compared to other brands. garn.com
The Frontier series features wood gasification technology and adjusts the heat output based on the home's heating needs. The warranty is not very good when compared to many other brands. greenwoodusa.com
The EG-HOLZ boilers are clean burning units with five stages of heating output. They are made and sold in Poland and are available in two sizes. The warranty on the heat exchanger is not very good when compared to other brands. ekogren.pl
These boilers are made in Austria and feature electronic controls with a lambda sensor and a refractory lined chamber for efficient clean burning. They have automatic cleaning so less maintenance is required but their website is not much help and does not have a stated warranty policy. hargassner.at
This brand is from STEELTECH INC and is made in Canada. They offer three ranges of units based on their efficiency. The G SERIES units can be installed either indoors or outdoors and uses wood gasification technology for clean burning. All of the units are made of durable stainless steel and are backed by a very good warranty. heatmasterss.com
These boilers are sold in Europe. The FIRESTAR BIOCONTROL units are clean burning and have automatic heat exchanger cleaning. They have two separate heating circuits as well as a dhw circuit. The FIRESTAR LAMBDA models also have a lambda sensor to control the combustion. Their website does not have a stated warranty policy. herz-energie.at
This brand is from HKS LAZAR and features clean burning boilers with electronic controls. They are made of ceramics and stainless steel for durability but the warranty on the heat exchanger is not as good as many other brands. hkslazar.com
The AGROLYT range offers boilers that use three stage combustion for clean and efficient burning of logs. They have electronic controls but their website is not much help. hoval.ch
These units are made in Germany and are available in Europe. The GK-1K units are cast iron units that use clean burning gasification technology. They are available in three sizes from 15 to 37 kw and are backed by a good guarantee. They offer other models that are non-gasification type but they receive less than a 1* rating. ibc-heiztechnik.de
This brand is made in Finland and sold in parts of Europe. The YPV40 models are basic boilers while the ECONATURE 40 are clean burning units. Their website is not much help to the customer and does not have a stated warranty policy. kaukora.fi
These units are made in Lithuania and sold in Europe. The K-10 boilers use gasification technology but the manufacturer's website does not have a stated warranty policy. kalvis.lt
The HIGHLANDER TW2000 is a basic boiler with an optional domestic hot water coil. The units are made in Canada and sold throughout North America. granbyindustries.com
This brand is made in Italy and their UTILITY boilers are available in two sizes. They have priority domestic hot water production but their website does not have a stated guarantee for their products. klover.it
This brand is made in Greece by THERMODYNAMIKI and the units are sold throughout Europe. They offer basic boilers in a wide selection of sizes but their website is not much help and does not have a stated warranty policy. kombi.gr
These boilers are made in the Czech Republic and are sold in Europe. The MAKAK range uses wood gasification technology for clean efficient burning. Their website is not much help and does not have a stated guarantee for their units. kovarson.cz
These boilers are made in Germany and are available throughout Europe. The TYPE BT features dual combustion blowers and modulating lambda control for efficiency. The TYPE FO is a compact unit that can burn chips, briquettes, coal, coke, and lump peat as well as logs. Their website is not much help and does not have a stated warranty policy. kuenzel.de
This brand features boilers that use wood gasification technology. They are only available in three sizes (18, 25, 40 kw). Their website is not much help and does not have a stated warranty policy. ladan.sk
These units are available in Europe. The PYROTHERM models use the principle of wood gasification for clean efficient burning. The manufacturer's website is not much help and does not have a stated warranty policy. lamborghinicalor.it
This brand is made in Austria and is sold throughout Europe. The HDG EURO range offers clean burning boilers with electronic controls. They can burn wood chips and waste as well as logs. The warranty on most parts is good but the guarantee on the firebox is not when compared to other brands. ligno.at
This brand is made in Turkey and offers basic boilers with cast iron burn chambers. Their website is not much help and the guarantee on the boilers is not very good when compared to other brands. maktek.com.tr
This brand is made and sold in Italy. The CFI-A models are available in five sizes and feature electronic modulating controls. They offer an optional copper domestic hot water coil. The guarantee on the heat exchanger is not very good when compared to other brands. mdbcaldaie.it
These boilers are made in Italy. The GASELLE model uses wood gasification technology for clean, efficient burning. It has electronic controls and is available in three sizes. The GASELLE Hi-Tech model can burn pellets as well as logs and has an electronic control to control the modes. The warranty on the units is not very good when compared to other brands. mescolicaldaie.it
This brand is made in Italy and is sold throughout Europe. They offer traditional stoves as well as clean burning models using gasification technology. Their website is not much help and the guarantee on the firebox is not very good when compared to other brands. mtrcaldaie.com
This brand is made in Sweden and is available in Europe. The units use wood gasification for efficiency and clean burning. The VEDEX 3300 model also has a two stage combustion fan. nibe.eu
This brand is made in Italy and offers four models to choose from to fit the size of your home. The warranty on the heat exchanger which is the most vital part is not as good as some of the other brands. Their website is not much help. lanordica-extraflame.com
The WF-200 wood boilers are designed to be added to an existing heating system. They are basic units that are made in Canada by NY THERMAL INC. Their website is not much help and does not have a stated warranty for these units. nythermal.com
This brand is made and sold in France. The ECOMAX line offers models that use wood gasification technology and have electronic controls. The UNI range offers six sizes of boilers to match the size of the home. Their website is not much help and the guarantee on the units is not very good when compared to other brands. opop.cz
The MC CI boilers use natural draft and so require manual control of the burn rate. They have a refractory lining for cleaner burning and better heat retention but their website is not much help. perge.fr
These boilers are made in Serbia by RADIATOR ENGINEERING LTD and are sold throughout Europe. The SERIES FK is available in four sizes and features electronic controls. Their website is not much help and does not have a stated guarantee for their products. radijator.rs
The TECNIKA units are clean burning but are only available in two sizes. The brand is from MCZ GROUP and is sold throughout Europe. The guarantee on the units is not very good when compared to other brands. red365.it
This brand is made in Turkey. The SUN SERIES offers seven sizes of basic cast iron boilers. The guarantee on the units is not very good. rima.com.tr
These units are available in three sizes and the combustion chamber is lined with firebrick for cleaner burning. They use thermostat controlled forced draft but are mostly basic units. The units can be purchased directly through their website but it does not have a stated warranty policy. royallfurnace.com
The ZYKLOTRONIC boilers feature lambda controls for clean efficient wood burning. Their website is not much help and does not have a stated guarantee for their products. holzfeuerung.ch
This brand is manufactured by BETHEL ENGINEERING & EQUIPMENT INC. The units feature a refractory fire chamber with a downdraft heat exchanger. The units are available in three sizes (90000, 130000, and 180000 btu/hr). rohor.com
The TDA.HV boilers feature gasification technology for clean burning and have an automatic cleaning heat exchanger. The brand is a part of LOHBERGER HEATING TECHNOLOGY. Their website does not have a stated guarantee for their products. sht.at
This brand is made and sold in the Czech Republic. The units are lined with refractory bricks and are clean burning. The boilers are available in three sizes but their website is not much help and does not have a stated warranty policy. slokov.cz
The HVS model boilers use gasification technology and modulating controls for clean efficient burning. They are available in five sizes from 15 to 80 kw. Their website is not much help and does not have a stated warranty policy. solarbayer.com
The THERMINATOR II models have durable stainless steel burn chamber and use gasification technology for clean burning. They have electronic controls and are available in five sizes to match the size of the home. They have automatic ignition and also automatic cleaning of the heat exchanger. Their website does not have a stated warranty. solarfocus.at
This brand is made in Austria and sold in Europe. The ATMOS boilers use gasification technology for clean burning. Their website is not much help and does not have a stated guarantee for the units. strebel.at
These units are made in Lithuania and sold in Europe. They offer units in seven sizes from 7 to 40 kw that can burn peat, sawdust briquettes, timber waste, and coal as well as logs. The units use basic technology and therefore do not burn as cleanly as some of the other brands. stropuva.lt
The KALORINA 2104 is a basic wood boiler. The units are made in Sicily and are sold throughout Europe. Their website is not much help and does not have a warranty policy. tatano.com
This brand is made and sold in Turkey. The boilers feature electronic controls but are only available in two sizes. Their website is not much help and does not have a stated guarantee for their products. teba.com.tr
This brand is made in Poland and is sold in Europe. The CENTRAL 23 is a basic boiler and is only available in one size. Their website is not much help and does not have a stated guarantee for the products. termet.com.pl
These boilers are made in Turkey. The EKY series features four pass units for added efficiency. They have a built in three speed pump and electronic controls. The manufacturer's website is not much help and does not have a stated warranty policy. tdheat.com
These boilers are made in Serbia and are sold throughout Europe. The TPK is a clean burning boiler (double combustion) while the IGNIS is a standard unit. Their website is not much help and does not have a stated guarantee for their products. termomont.co.rs
This brand is made in Turkey and offers a variety of models. They feature digital controls but the warranty on the units is not very good. termopan.com.tr
This brand is a part of ALBURY CONSOLIDATED GROUP and is made and sold in Australia. They offer three sizes of boilers to match the heating needs of your home. The DYNAMIC 3500 has a glass door to allow viewing of the fire. Their website is not much help and does not have a stated warranty policy. metaldynamics.com.au
These boilers are designed as an add-on to an existing oil or gas fired hydronic heating system. The indoor models are available in four sizes and feature durable stainless steel water coils. They offer a domestic hot water coil as an option but the guarantee on the units is not very good when compared to other brands. nationalstoveworks.com
This brand is made in Bosnia and is sold throughout Europe. The TK series is available in three sizes and features three pass boilers. Their website is not much help and does not have a stated warranty policy. thermoflux.ba
This brand is available in Europe, Asia, and South America. The THERM DU models are made of cast iron. The guarantee on this brand is not very good. thermona.cz
This brand is made in Italy and is available in Europe. The ASPIROTRONIC LOW EMISSIONS units use a fanned flue for improved efficiency and safety. They use a high temperature enamel coating on the inside of the boiler (vetrification process) for a long life. The website is not much help but the units are backed by a good guarantee. thermorossi.com
The PYRO range of wood boilers use gasification technology for clean burning. Their website is not much help and does not have a stated warranty policy. thermostahl.gr
This brand is made in Sweden and is sold worldwide. The RETRO is a clean burning boiler with three stage combustion. They have digital controls but their website is not much help and does not have a stated guarantee for the units. trebema.se
The PRITY boilers are basic units that are made in Greece. They are available in two sizes but their website is not much help and does not have a stated guarantee for their products. thermokamini.com
These boilers are made in Italy. They use wood gasification technology for clean burning and are available in a variety of models. The units have electronic modulating controls to conserve wood. Their website is not much help and does not have a stated warranty policy. unicalboiler.com
This brand is made in Sweden and is sold worldwide. The VEDOLUX LAMBDA boilers use gasification technology for clean burning. They are available in three sizes but their website does not have a stated guarantee for their products. varmebaronen.se
These units are made in the Czech Republic and are available in Europe. The GN25D is a clean burning gasification boiler with electronic controls. The units have a durable stainless steel heat exchanger but the guarantee is not very good when compared to other brands.. kotle-verner.cz
The LIGNATOR models are clean burning cast iron boilers that are made in the Czech Republic. They are available worldwide but the warranty (especially on the heat exchanger) is not as good as many other brands. viadrus.cz
This brand is made and sold in Lithuania. The units have automatic control of the burning for improved efficiency but they use a catalytic converter which requires periodic replacement. The warranty is not very good. vienybe.lt
This brand is made in Slovakia by VIMAR and sold worldwide. The brand offers five sizes of clean burning gasification boilers with electronic (lambda) controls. The warranty is not as good as many other brands. ahona.com
This brand is a part of NIBE ENERGY SYSTEMS and is made and sold in Russia. They offer basic indoor wood boilers that are available in two sizes. Their website is not much help and does not have a stated warranty policy. evan.ru
These boilers are made in Austria. The LogWin Premium units have a durable stainless steel burn chamber and are available in five sizes. They use automatic ignition and gasification technology for clean burning. Their website does not have a stated guarantee for their products. windhager.com
This brand offers basic boilers as well as the BIO TEC gasification units. They are made in Austria and are available in three sizes. Their website is not much help and does not have a stated guarantee for their products. wirbel-shop.ru
These units are made in Germany and the brand is a subsidiary of CENTROTEC SUSTAINABLE AG. The FFS14 models are basic log burning units while the HVG units include gasification technology for cleaner more efficient burning. The BVG units include lambda control which monitors the flue gases and adjusts the combustion air for optimum burning. The manufacturer's website is not much help and does not have a stated warranty policy. wolf-heiztechnik.de
The BELFAST PLUS boilers are available in four sizes and feature electronic controls. The brand offers a variety of models but their website does not have a stated guarantee for their products. zantia.com
These boilers are made and sold in Ukraine. They are clean burning as they use wood gasification technology. The heat chamber is lined with refractory material for durability and heat retention. They have a weekly programmable control and can be installed either indoors or outdoors. The warranty is not very good when compared with other brands. ziehbart.com.ua
This brand offers three sizes of basic boilers. The units are made in the USA and are backed by a good warranty. acmesolarbiomasswaterfurnace.com
Their Eco-One models are outdoor models but their website is not much help and does not have a stated guarantee for their products. aqua-therm.com
This brand is from S&S MANUFACTURING and offers basic outdoor wood boilers. They are available in four sizes to heat virtually any building but their website is not much help and does not have a stated warranty policy. bruteforcewoodstoves.com
This brand is available in two sizes. You can order them by phone because they have a very limited dealer network. The guarantee on the units is not as good as other brands. burnritestoves.com
The CLASSIC EDGE models are available in three sizes and are EPA certified for clean burning. The units are only sold through dealers but they are backed by a decent warranty. centralboiler.com
These boilers are made and sold in France through authorized dealers. The SOLOGNE units feature refractory lining for cleaner burning and can burn straw bales as well as logs. Their website is not much help and does not have a stated warranty policy. charot.com
This brand is from PRO FAB INDUSTRIES and is available in the U.S. and Canada. They are available in four sizes in either mild steel or stainless steel units. They utilize a digital control panel for accurate control. The guarantee on the firebox is not as good as other brands. profab.org
This brand is from GreenTec Manufacturing Inc. The PRISTINE series offers clean burning boilers that meets EPA phase 2 standards. They have a durable stainless steel firebox but their warranty is not very good when compared to other brands. crownroyalstoves.com
The KLEAR SKY SERIES offers clean burning boilers. They have a built-in exterior light and automatic variable speed fan. The warranty on the heat exchanger is not very good when compared to other brands. earthwoodfurnace.com
This brand is from DUNKIRK METAL PRODUCTS. The EBW boilers are available in both indoor or outdoor models. They are clean burning gasification boilers but their website does not have a stated warranty policy. econoburn.com
This brand is from PRO FAB INDUSTRIES. The ELITE XT range offers both indoor and outdoor boilers that use gasification technology for clean burning. Their website does not have a stated guarantee for their products. profab.org
This brand is made in the USA and is sold worldwide through dealers. The KB SERIES features all stainless steel construction for durability and are EPA certified for clean burning. hardyheater.com
This brand is available in the United States. The GX10 units are EPA phase 2 qualified for clean burning. They feature R-30 insulation to minimize heat loss but the warranty is not as good as other brands. hawkenenergy.com
This brand is from STEELTECH INC and is made in Canada. They offer three ranges of units based on their efficiency. The G SERIES units can be installed either indoors or outdoors and uses wood gasification technology for clean burning. All of the units are made of durable stainless steel and are backed by a very good warranty. heatmasterss.com
The X SERIES offers two sizes of EPA phase 2 qualified furnaces. They are made of stainless steel for durability and are also backed by a very good guarantee. heatmor.com
This brand is from CVR MANUFACTURING and is available in three sizes. They use electronic control, a thermostatically controlled draft fan, and an auger system for ash removal. They use over/under draft for cleaner burning but the warranty on the firebox is not very good. heatsource1.com
The ECOEXTREME 7000 boilers are made with refractory cement to hold the heat better. They use gasification technology for clean burning but the guarantee is not as good as many other brands. heissheaters.com
This brand is made in the USA and is sold through dealers. The SF models are basic units while the HE are clean burning units. They are backed by a very good warranty. tennesseeoutdoorfurnace.com
These units are made in the USA and are available in two sizes ("little John" & "Big John"). The units have an outside light for night loading as well as a smoke bypass for easy loading. The units feature basic technology and the warranty is not as good as most other brands. johnsonoutdoorwoodfurnaces.com
The SKYE SERIES V boilers are EPA phase 2 qualified clean burning units. They feature a stainless steel tank and stack for durability. They have digital automatic controls and the outdoor lamp flashes when there is a problem with the boiler. The warranty on the units is not very good when compared to other brands. mahoningoutdoorfurnaces.com
These units use gasification technology for clean, efficient burning. They are sold through dealers as well as factory direct and are backed by a pretty good warranty. naturescomfortllc.com
This brand is a part of NORTHERN METALWORKS and is made in Canada. They offer basic models in three sizes but their website is not much help and does not have a stated warranty policy. northernstoker.ca
These units are made in America and feature basic technology. They offer standard and ECONO models but the warranty is not as good as some of the other brands. ozarkbiomassfurnace.com
This brand is manufactured by Piney Manufacturing and is available in North America. The OPTIMIZER 200 features a four pass heat exchanger and air injection both over and under for a clean efficient burn. The units are available in four sizes to fit the needs of the home. The ULTIMIZER units have a refractory brick lining for more efficient, cleaner combustion. The warranty is good but it requires an annual boiler water sampling. portageandmainboilers.com
These boilers are made from recycled 500 gallon propane tanks. They are available in two sizes and are relatively inexpensive but the warranty is not as good as many other brands. ridgewoodstove.net
These units are available in three sizes and the combustion chamber is lined with firebrick for cleaner burning. They use thermostat controlled forced draft but are mostly basic units. The units can be purchased directly through their website but it does not have a stated warranty policy. royallfurnace.com
These are basic boilers that are available in a variety of colors. The warranty is not very good when compared to other brands. shaver-woodfurnace.com
These boilers feature digital controls but the guarantee on the heat exchanger is not very good when compared to other brands. synergy-boiler.com
These units are also available with gas burners as backup. They feature a stainless steel flue for durability and a double pass flue for efficiency. The manufacturer's website is not much help and the warranty on the units is not very good. taylorstove.net
These boilers are designed as an add-on to an existing oil or gas fired hydronic heating system. They offer a domestic hot water coil as an option but the guarantee on the units is not very good when compared to other brands. The outdoor models are basic units with electronic control. nationalstoveworks.com
The E4 gasification boiler is a clean burning unit with digital controls. The boilers can be purchased directly from the manufacturer on their website but the guarantee is not as good as some other brands. woodboiler.us
This brand is from NORTHWEST MANUFACTURING INC. The units use over the fire air injection to save on wood use. They have an optional ash auger system. They are available in four sizes to match the needs of the home and feature electronic temperature control. The warranty on the firebox is not very good. woodmaster.com
These boilers are made and sold in Ukraine. They are clean burning as they use wood gasification technology. The heat chamber is lined with refractory material for durability and heat retention. They have a weekly programmable control and can be installed either indoors or outdoors. The warranty is not very good when compared with other brands. ziehbart.com.ua