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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.
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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.
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.
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.
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.
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.
The 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.
The 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.
The Rinnai I-Series Plus (IP060160C) delivers 60,000 BTU of efficient heating and 160,000 BTU of endless domestic hot water. Engineered specifically to eliminate short-cycling in smaller footprints.
The Rinnai I-Series Plus (IP090160C) delivers 90,000 BTU of efficient heating and 160,000 BTU of endless domestic hot water. Designed for homes where space is at a premium.
(Condos & Townhomes)
Upgrade to North America’s Best-Selling Combi Boiler with 4Most Energy. The Rinnai I-Series Plus IP090199C replaces your old boiler and water heater with a single, space-saving unit. 96% Efficient. 100% Reliable
Upgrade to North America’s Best-Selling Combi Boiler with 4Most Energy. The Rinnai I-Series Plus IP120199C replaces your old boiler and water heater with a single, space-saving unit. 96% Efficient. 100% Reliable
The Rinnai I-Series Plus IP150199C delivers 150,000 BTU of heating power and 199,000 BTU of high-demand domestic hot water in one compact unit. Perfect for larger properties and high-demand households.
Off-season pricing means the best deals of the year on high-efficiency air conditioners.
Save Big on Lennox Furnaces — Limited Time!
Get a new high-efficiency Lennox furnace with no payments for up to 6 months. Premium comfort, top-tier performance.
Simple estimates, flexible payments, pro installation, and industry-leading warranties.