With our oil fired boiler ratings, you can compare boiler models side by side using our Head To Head tool.
You can compare 39 models from 24 brands brands in ten categories such as warranty, efficiency, construction, availability, & where they are made.
You can also read the individual reviews of each brand below.
>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 HvacRepairGuy. If the card is red, then, the brand is not recommended by HvacRepairGuy. These reviews are for oil fired boilers that are used for central heating. With our oil fired boiler reviews, you can cut through the sales hype and find value. It truly is like you were taking a repairman shopping with you!
This brand is manufactured in Canada and is also sold in the U.S.A. They offer two models (OB1000 and OB2000) with an AFUE of up to 87%. Some of the models have optional balanced flue or power venting for flexibility in installation. They also have an optional domestic hot water coil available but the standard warranty is not very good.
This brand is a part of Carrier Corporation and the units are only available through dealers in the USA and Canada. The Preferred Series BW4 & BW5 boilers have an efficiency of 86%. The units are compact for easy installation and have a swing burner door for easy maintenance and repair. They are sectional cast iron units that are backed by a good warranty. The BW4 is for heating only while the BW5 has a tankless coil for domestic hot water as well as central heating.
This brand is a part of the Bosch Thermotechnology Corp. The Logano G115WS model is a cast iron unit that is available in three sizes and features a full swing open burner door for easier maintenance and repair. The unit offers flexibility in venting as it can be vented into an existing chimney or direct vented. The unit has a three pass design which minimizes loss of heat up the chimney and it has a full three inches of insulation around the boiler to minimize standby losses.
This brand is only available through dealers in the USA and Canada. The Performance Series BW4 & BW5 boilers have an efficiency of 86%. The units are compact for easy installation and have a swing burner door for easy maintenance and repair. They are sectional cast iron units that are backed by a good warranty. The BW4 is for heating only while the BW5 has a tankless coil for domestic hot water as well as central heating.
The Emerald EE boilers have a one piece ceramic fiber chamber for durability and a built in air scoop system to eliminate air from the heating system. They are available in four sizes and offer an optional tankless coil for domestic hot water production. The units are backed by a very good guarantee. The brand is available in the USA and Canada but only through their limited dealer network.
The brand is a part of Granby Industries and is only available through authorized installers in the USA & Canada. The BGC model is a cast iron three pass boiler and some of the units can be vented either through an existing chimney or direct vented through the wall. They have electronic controls and offer an optional outdoor reset temperature control for energy savings.
This brand is made in the USA by Burnham Holdings but they are only available through the Velocity Boiler Works limited distributor network. The Freeport Series units are available in chimney vent models (CT) or direct vent models (ODV). They have a three pass heat exchanger for efficiency, a refractory lined burn chamber, and a swing open burner door for ease of maintenance. The direct vent units have a concentric vent termination for easier and better looking installation. The Tobago Series units are single pass (less efficient) hot water boilers that offer an optional domestic hot water coil. The warranty on the units is not very good when compared to other brands that are available.
This brand is a part of Group BDR Thermea and is made in Canada for the North American market but their guarantee on the heat exchanger is not very good when compared to the other brands that are available. They are only available through their limited dealer network. The GT series offers three pass cast iron boilers in five sizes to match the size of the home. They have electronic controls for ease of operation and can be vented through a chimney or by direct vent for flexibility.
This brand is from ECR International and the units are available in the USA but only through a limited dealer network. The Empire EWC models feature cast iron construction with a swing open burner door for easier maintenance and repair. They are for installations with an existing chimney and offer an optional domestic hot water coil. The Excelsior EXB series offers compact three pass boilers that can be direct vented for easier installation. They are for central heating only and the warranty on the units is not as good as other brands.
The Calisto model is a cast iron three pass boiler that can be vented either through an existing chimney or direct vented through the wall. The Comet is a horizontal fire tube boiler for greater efficiency. The brand is a part of Granby Industries and is only available through authorized installers in Canada. Their warranty is not very good when compared to the other brands that are available.
This brand is available in the USA and Canada but only through their authorized dealers. The OWB86 units feature durable cast iron construction and have a swing out burner door for cleaning and maintenance. They have an optional domestic hot water coil available and are backed by a very good warranty.
This brand is a part of Ariston Thermo and the units are made in Canada. The Caprice units can be direct vented with a kit for easier installation and have an AFUE of up to 87%. The units have outdoor reset control to control the boiler water temperature based on the outdoor air temperature which provides energy savings. The standard warranty is not very good but it can be extended.
This brand is from PB Heat LLC and is available in the USA and Canada but only through their authorized installers. The WBV units are chimney vented units for either steam or hot water systems. They are available in three sizes to match the needs of the home and have a swing out burner door for easier cleaning and maintenance. The Pinnacle unit is a sealed combustion, condensing boiler with an AFUE of up to 92%. It is only available in two sizes (70000 or 84000 btu/hr) but features a durable stainless steel heat exchanger and a slim profile for installation in those tight spots.
This brand is from ECR International and is available in the U.S.A but only through a limited dealer network. The Keystone KWC models are cast iron boilers with an AFUE of up to 86.4% and an optional domestic hot water coil available. The units have a swing out burner door for easier cleaning and maintenance but their warranty on the units is not very good when compared to other brands.
The Forte boilers are three pass, cast iron units with an AFUE of up to 87% and a standard coil for domestic hot water heating. They can be direct vented and have a swing open burner door for ease of maintenance. The brand is from Boyertown Furnace Company and is only available through a limited dealer network that is mostly in the eastern part of the USA. They are backed by a very good warranty that includes a lifetime guarantee on the heat exchanger which is the heart of any boiler.
The Frontier boilers provide both central heating and domestic hot water and have an AFUE rating of up to 88.6%. The units are direct vented and feature a five zone heat control. The 90+ Resolute model is a high efficiency boiler that is backed by a very good guarantee. Its unique spiral heat exchange design provides a large ten feet of surface to transfer heat from the exhaust gas to the boiler water and their silent burner enclosure provides for very quiet operation. The brand is made and sold in the USA but is only available through their authorized dealers.
This brand is made in the USA but is only sold through a very limited distribution network which is mostly located on the east coast. All of the units have a built-in air scoop to eliminate air from the heating system but their warranty is not very good when compared to the other brands that are available. The LMD Series boilers are low mass, two pass cast iron units that are direct vented and have a swing open burner door for easy cleaning. The HT Series units are three pass, forced draft units with a built in domestic hot water coil. The TDX Series offers high efficiency boilers with a three pass heat exchanger but they are non-condensing so are basically high efficiency only in name.
This brand is made in the USA but is only sold through a very limited distribution network and their warranty is not very good when compared to the other brands that are available. The OWB units are chimney vented units with a swing open burner door for easy cleaning. They are available in four sizes to match the heating needs of the home and also offer an optional two stage fuel unit. The OWT units have a built in domestic hot water coil.
This brand is from Purepro Products and is available exclusively through F.W. Webb Company a distributor of HVAC and plumbing supplies in nine states in the northeast part of the USA. The boiler bodies are made by Boyertown Furnace and feature durable cast iron construction. They are three pass low mass boilers that use recirculating flue gas technology for increased efficiency. They can be direct vented for convenient installation but their guarantee is not as good as some of the other brands that are available.
This brand is available in the USA through authorized contractors and they are backed by a very good warranty but it is pro-rated for the heat exchanger. The V8H units are basic cast iron boilers while the MPO-IQ model is a three pass cast iron boiler with advanced controls. Their IQ control platform allows the installation of an optional energy saving control package that can result in a 15 -20% fuel savings.
This brand is from ECR International and is sold through a limited dealer network in the USA and Canada. The Starfire Series units can be chimney or direct vented and they have a swing open burner door for easy cleaning and an optional domestic hot water coil is available. The Trifire TRB units are three pass boilers that can be direct vented but they do not offer a domestic hot water coil. The warranty on parts other than the heat exchanger is not very good when compared to the other brands that are available.
This brand is made in Canada for the North American market but the units are only available through their limited distribution network. The Vitorond 100 units are three pass cast iron sectional boilers. They have a direct vent option as well as multiple control options. They have outdoor reset boiler temperature control which adjusts the boiler operating temperature based on the outside air temperature which saves energy. The guarantee on the heat exchanger which is the heart of any boiler system is not very good when compared to other brands.
The Ultra Series units are three pass units that can be chimney or direct vented. They have a swing open burner door for easy cleaning. The WGO models are basic heating only boilers that are available in three sizes while the WTGO units have a built in domestic hot water coil. They have an optional Advanced Features Module for better control including outdoor reset and domestic hot water. The warranty on the heat exchanger is not as good as some of the other brands and they are only available through their authorized contractors.
This brand is made in the USA but is only sold through a very limited distribution network and their warranty is not very good when compared to the other brands that are available. The OWB units are chimney vented units with a swing open burner door for easy cleaning. They are available in four sizes to match the heating needs of the home and also offer an optional two stage fuel unit. The OWT units have a built in domestic hot water coil.
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