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Upgrade to a high-efficiency heat pump to heat and cool with one system, reduce energy costs, and get up to $7,500 in rebates.
NAVIEN Boiler NFB-175H 175,000 BTU
$3,706.00The Navien NFB-175H, installed by 4Most Energy, delivers 175,000 BTU/h of heavy-duty heating for large homes, buildings, and commercial spaces. Handels glycol systems, snow melting, and radiant heating support multiple indirect tanks and hydraulic separation for powerful, efficient performance.
NAVIEN Boiler NHB-110H 110,000 BTU
$3,079.00The Navien NHB-110H, installed by 4Most Energy, delivers 110,000 BTU/H of high-efficiency heating for homes up to 3,000 sq ft. Ideal for multi-zone radiant, baseboard, or air-handler systems, it can also pair with an indirect tank up to 60 gallons for efficient domestic hot-water production.
NAVIEN Boiler NHB-150H 150,000 BTU
$3,443.00The Navien NHB-150H, installed by 4Most Energy, delivers 150,000 BTU/h of powerful, high-efficiency heating for large homes or buildings up to 4,000 sq ft. Ideal for multi-zone radiant, baseboard, or air-handler systems, it also supports an indirect tank up to 70 gallons for domestic hot water.
NAVIEN Boiler NHB-200H 199,000 BTU
$3,978.00The Navien NFB-200H, installed by 4Most Energy, delivers 199,000 BTU/h of powerful heating for large homes, commercial buildings, and multi-unit properties. Ideal for snow-melt, radiant, and glycol systems, it can be cascaded with multiple boilers to handle hotels, apartments, and large hydronic applications efficiently.
Navien Boiler NHB-55H, 55,000 BTU
$2,569.00The Navien NHB-80H, installed by 4Most Energy, delivers 55,000 BTU/H of efficient heating for homes up to 2,000 sq ft. Perfect for radiant, baseboard, or air-handler systems.
NAVIEN Boiler NHB-80H, 80,000 BTU
$2,815.00The Navien NHB-80H, installed by 4Most Energy, delivers 80,000 BTU/h of efficient heating for homes up to 2,500 sq ft. Perfect for radiant, baseboard, or air-handler systems, it can also connect to an indirect tank up to 40 gallons for reliable domestic hot-water production.
NAVIEN Combi Boiler NCB-190/060H, 60,000 BTU Heating, 160,000 BTU Water Heating
Original price was: $7,790.00.$6,690.00Current price is: $6,690.00.The Navien NCB-190/060H delivers 60,000 BTU of efficient space heating and a robust 160,000 BTU of domestic hot water. The perfect fit for smaller homes up to 1,500 sq. ft. Price includes professional installation.
NAVIEN Combi Boiler NCB-190/080H, 80,000 BTU Heating, 160,000 BTU Water Heating
Original price was: $7,890.00.$6,890.00Current price is: $6,890.00.The Navien NCB-190/080H delivers 80,000 BTU of efficient space heating and a robust 160,000 BTU of domestic hot water. The ideal solution for homes up to 1,800 sq. ft. Price includes professional installation.
NAVIEN Combi Boiler NCB-240/110H , 110,000 BTU Heating, 199,000 BTU Water Heating
Original price was: $8,499.00.$6,990.00Current price is: $6,990.00.The Navien NCB-240/110H delivers 110,000 BTU of space heating and a massive 199,900 BTU of domestic hot water. The ideal all-in-one solution for families in homes up to 3000 sq. ft. Price includes professional installation.
NAVIEN Combi Boiler NCB-240/130H , 130,000 BTU Heating, 199,000 BTU Water Heating
Original price was: $8,799.00.$7,290.00Current price is: $7,290.00.The Navien NCB-240/130H, installed by 4Most Energy, delivers 130,000 BTU heating and 199,000 BTU hot water with a 10.4 GPM max flow rate. Ideal for large homes up to 3,500 sq ft (3 bathrooms), it’s perfect for radiant, radiator, or air-handler systems with high hot-water demand.
NAVIEN Combi Boiler NCB-250/150H , 150,000 BTU Heating, 210,000 BTU Water Heating
Original price was: $8,990.00.$7,590.00Current price is: $7,590.00.The Navien NCB-250/150H, installed by 4Most Energy, delivers 150,000 BTU heating and 210,000 BTU hot water with a 10.8 GPM max flow rate. Ideal for large homes or multi-zone systems, it’s built for high-demand hot water and multiple heating applications.
NAVIEN Combi Boiler NFC-250/175H , 175,000 BTU Heating, 250,000 BTU Water Heating
$4,864.00The Navien NFC-250/175H, installed by 4Most Energy, is the most powerful combi boiler in Navien’s lineup, delivering 199,000 BTU heating and 210,000 BTU hot water with a 10.8 GPM max flow rate. Ideal for large homes up to 4,000 sq ft and high-demand heating and hot water.
