Boiler
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 NFB-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-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-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 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.
NAVIEN Combi Boiler NFC-250/200H , 199,000 BTU Heating, 210,000 BTU Water Heating
$4,988.00The Navien NFC-250/200H, 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 + 4,000 sq ft and high-demand heating and hot water.
Navien NCB-190/060H 60,000 BTU Heating / 160,000 BTU DHW Condensing Combi Boiler
Original price was: $7,790.00.$6,690.00Current price is: $6,690.00.Power: 60k BTU Heating and 160K BTU Hot Water
Navien NCB-190/080H 80,000 BTU Heating / 160,000 BTU DHW Condensing Combi Boiler
Original price was: $7,890.00.$6,890.00Current price is: $6,890.00.Power: 80K BTU Heating and 160K BTU Hot Water
Navien NCB-240/110H 110,000 BTU Heating / 199,000 BTU DHW Condensing Combi Boiler
Original price was: $8,499.00.$6,990.00Current price is: $6,990.00.Power: 110K BTU Heating and 199K BTU Hot Water
Navien NCB-240/130H 130,000 BTU Heating / 199,000 BTU DHW High Output Condensing Combi Boiler
Original price was: $8,799.00.$7,290.00Current price is: $7,290.00.Power: 130K BTU Heating and 199K BTU Hot Water
Navien NCB-250/150H 150,000 BTU Heating / 199,000 BTU DHW High Capacity Condensing Combi Boiler
Original price was: $8,990.00.$7,590.00Current price is: $7,590.00.Power: 150k BTU Heating and 199k BTU Hot Waer
Rinnai IP150S Heat Only Boiler 150,000 BTU I-Series Plus
Original price was: $9,590.00.$8,299.00Current price is: $8,299.00.The Rinnai I-Series Plus IP150S delivers a massive 150,000 BTU of dedicated heating output. The ultimate solution for large properties, multi-zone radiant heating, and high-demand radiator systems.
Rinnai IP199S Heat Only Boiler 199,000 BTU I-Series Plus
Original price was: $9,990.00.$8,799.00Current price is: $8,799.00.The Rinnai I-Series Plus IP199S is a High-Efficiency Condensing Boiler delivering a massive 199,000 BTU of dedicated heating power. The definitive solution for large luxury homes, expansive snow-melting systems, and commercial-grade applications.