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Find the perfect hot water/steam unit heater at eComfort. We carry a wide selection of hot water/steam unit heaters from the top brands. Shop our selection or let our experts help you find your hot water/steam unit heater today.
Modine - 5% Off All Unit Heating Products
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Modine
Modine - HC18S01 - 18,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
20% Buy This
$391.40
Was 
$412.00
SAVE $20.60
In-Stock
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - V95S01 - 95,000 BTU - Hot Water/Steam Unit Heater - Vertical Orientation - Copper Heat Exchanger - 115V/60Hz/1 Phase
8% Buy This
$833.15
Was 
$877.00
SAVE $43.85
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HSB340S05 - 340,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 230-460V/60Hz/3 Phase
$2,684.70
Was 
$2,826.00
SAVE $141.30
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Model HC33S01 is a Recommended Product
Modine - HC33S01 - 33,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
5% Buy This
$475.00
Was 
$500.00
SAVE $25.00
Only 5 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HC340S01 - 340,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
5% Buy This
$2,422.50
Was 
$2,550.00
SAVE $127.50
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Modine - HC47S01 - 47,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
5% Buy This
$638.40
Was 
$672.00
SAVE $33.60
Only 2 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HSB24S01 - 24,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
5% Buy This
$427.50
Was 
$450.00
SAVE $22.50
Only 1 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - V193S01 - 193,000 BTU - Hot Water/Steam Unit Heater - Vertical Orientation - Copper Heat Exchanger - 115V/60Hz/1 Phase
5% Buy This
$1,220.75
Was 
$1,285.00
SAVE $64.25
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Model HSB86S01 is a Recommended Product
Modine - HSB86S01 - 86,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
3% Buy This
$641.25
Was 
$675.00
SAVE $33.75
Only 5 In-Stock
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Model HSB165S01 is a Recommended Product
Modine - HSB165S01 - 165,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
3% Buy This
$1,216.00
Was 
$1,280.00
SAVE $64.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Modine - HSB33S01 - 33,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
3% Buy This
$462.65
Was 
$487.00
SAVE $24.35
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HC165S01 - 165,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
3% Buy This
$1,235.00
Was 
$1,300.00
SAVE $65.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Modine - V42S01 - 42,000 BTU - Hot Water/Steam Unit Heater - Vertical Orientation - Copper Heat Exchanger - 115V/60Hz/1 Phase
3% Buy This
$627.95
Was 
$661.00
SAVE $33.05
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HHD45S01 - 45,000 BTU - Hot Water Unit Heater - Low Profile - Horizontal Orientation - Copper Heat Exchanger - 115V/60Hz/1 Phase - Order Number 63713
$1,020.30
Was 
$1,074.00
SAVE $53.70
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Model HSB63S01 is a Recommended Product
Modine - HSB63S01 - 63,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
2% Buy This
$608.00
Was 
$640.00
SAVE $32.00
Only 2 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Model HC108S01 is a Recommended Product
Modine - HC108S01 - 108,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
2% Buy This
$949.05
Was 
$999.00
SAVE $49.95
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HC86S01 - 86,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
2% Buy This
$755.25
Was 
$795.00
SAVE $39.75
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HC121S01 - 121,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
2% Buy This
$1,026.00
Was 
$1,080.00
SAVE $54.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Modine - HSB18S01 - 18,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
2% Buy This
$425.60
Was 
$448.00
SAVE $22.40
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HSB47S01 - 47,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
2% Buy This
$551.00
Was 
$580.00
SAVE $29.00
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - HSB193S01 - 193,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
2% Buy This
$1,419.30
Was 
$1,494.00
SAVE $74.70
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine
Modine - V139S01 - 139,000 BTU - Hot Water/Steam Unit Heater - Vertical Orientation - Copper Heat Exchanger - 115V/60Hz/1 Phase
2% Buy This
$1,001.30
Was 
$1,054.00
SAVE $52.70
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
WSD WSD-16UH, Hot Water Unit Heater - 95,000 BTU, 115/230 volt, variable speed
2% Buy This
$576.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Modine
Modine - PTN333S01 - 333,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Cupro Nickel Heat Exchanger - 115V/60Hz/1 Phase
$3,496.95
Was 
$3,681.00
SAVE $184.05
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.