Hyprotherm outdoor wood furnace is a new furnace manufacturer based out of Arkansas.  Hyprotherm is a wood burning standalone outdoor water heating wood furnace that may be used with a wide variety of heating systems such as forced air, radiators, baseboard hot water systems, radiant floor systems, driveway heating, hot tubs, and pools.

Hyprotherm Furnace burns big rounds, 30″ long firewood (no need to split or cut short pieces). A Hyprotherm standard furnace will heat up to 4,000 sq. ft. (5,000 sq ft in temperate climates). They create custom build any size of larger furnace needed and have models readily available that will heat 8,000+ sq. ft spaces. Their more popular models are the forced air ThermoWind furnaces.

The standard insulation on our furnaces is:

2″ of Morgan Super Wool with an R value of 56.8 on the tops and fronts and 3″ of Knauf ET Blanket + 1/4″ of Solar Guard for a combined R value of 23.1 on the rest of the furnace

The cold weather package is R-88.23 on tops and fronts and 68.4 on the rest of the furnace and is available for an additional $325.00

You can find out more insulation information including video demonstrations by going to the insulation page.

To find out more about the Hyprotherm Furnace and Boiler Company and Top Loading Wood Boilers, please look at the models below on this page.  If you have any other questions, do not hesitate to call our National Sales Team today at (800) 780-4302!

Hypro Therm Outdoor Forced Air Wood Furnaces

ThermoWind 1000 – 4,375 square feet

ThermoWind 2000 – 6,575 square feet

ThermoWind 3000 – 8,600 square feet

ThermoWind 4000 – 10,700 square feet

Hypro Therm Top Loading Wood Boilers

Hyprotherm Top Loading;
Chest Type Furnaces
A Brief overview

Top loader names explained

HyProTherm TL = Original TL furnace, has water in the lid.
HyProTherm TL – WT = Version II of the TL furnace line, has no water in the lid.
HyProTherm TL – WT, 12/12 = 12” of water on the ends, 12” on the sides, see (A)
HyProTherm TL – WT, 12/6 = 12” of water on the ends 6” on the sides, see (B)
HyProTherm TL – WT, 6/6 = 6” of water on the ends 6” on the sides, see (C)
HyProTherm TL – WTC = same design as TL-WT, but with water in the lid. This is not the same design as the original TL series.

tl-12x12
tl-12x6

RED = Original Water in lid top loader
BLUE = 6” of water
PINK = 10” of water
GREEN = 12” of water
ORANGE = 14” of water
BLACK = custom not on product list

Top Loader Dimension Diagrams Below

4′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-433-WT12/12 (4L’x3W’x3H’) 36 CF 348 Gallon $19,797 389,934 9,453
TL-433-WTC12/12 80 gallon in the lid 428 Gallon $21,167 479,574 11,626
TL-446-WT6/6 (4L’x4W’x6H’) 96 CF 357 Gallon $27,447 400,019 9,697
TL-446-WTC6/6 80 gallon in the lid 437 Gallon $28,997 489,469 11,866
TL-446-WT10/10 (4L’x4W’x6H’) 96 CF 665 Gallon $28,297 745,133 18,064
TL-446-WTC10/10 80 gallon in the lid 745 Gallon $29,847 834,773 20,236
TL-454-WT6/6 (4L’x5W’x4H’) 80 CF 244 Gallon $24,395 250,992 6,085
TL-454-WTC6/6 100 gallon in the lid 344 Gallon $26,187 385,452 9,344
TL-454-WT12/12 (4L’x5W’x4H’) 80 CF 580 Gallon $25,279 649,890 15,755
TL-454-WTC12/12 100 gallon in the lid 680 Gallon $26,997 761,940 18,471

5′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-534-WT6/6 (5L’x3W’x4H’) 60 CF 224 Gallon $24,297 250,992 6,085
TL-534-WTC6/6 75 gallon in the lid 299 Gallon $25,945 350,030 8,486
TL-534-WT12/12 (5L’x3W’x4H’) 60 CF 533 Gallon $24,997 597,227 14,478
TL-534-WTC12/12 75 gallon in the lid 608 Gallon $26,547 681,264 16,515
TL-544-WT6/6 80 CF 247 Gallon $26,297 276,764 6,919
TL-544-WTC6/6 100 gallon in the lid 347 Gallon $27,997 388,814 9,720
TL-544-WT12/12 80 CF 576 Gallon $27,287 645,408 16,135
TL-544-WTC12/12 100 gallon in the lid 676 Gallon $29,125 757,458 18,936
TL-553-WT6/6 (5L’x5W’x3H’) 75 CF 303 Gallon $26,497 339,512 8,231
TL-553-WTC6/6 125 gallon in the lid 428 Gallon $28,569 479574 11,626
TL-553-WT 12/12 (5L’x5W’x3H’) 75 CF 447 Gallon $27,467 500,864 12,142
TL-553-WTC12/12 125 gallon in the lid 572 Gallon $29,497 640,926 15,538
TL-555-WT6/6 (5L’x5W’x5H’) 125 CF 344 Gallon $32,647 385,452 9,344
TL-555-WTC6/6 125 gallon in the lid 469 Gallon $34,657 525,515 12,740
TL-555-WT12/12 (5L’x5W’x5H’) 125 CF 806 Gallon $33,697 903,123 21,894
TL-555-WTC12/12 125 gallon in the lid 931 Gallon $35,697 1,043,186 25,289
TL-556-WT6/6 (5L’x5W’x6H’) 150 CF 426 Gallon $35,897 477,333 11,572
TL-556-WTC6/6 125 gallon in the lid 551 Gallon $37,737 617,396 14,697
TL-556-WT12/12 (5L’x5W’x6H’) 150 CF 985 Gallon $37,297 1,103,693 26,756
TL-556-WTC12/12 125 gallon in the lid 1,110 Gallon $39,147 1,243,755 26,756

6′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-633-WT6/6 (6L’x3W’x3H’) 54 CF 173 Gallon $22,575 193,847 4,699
TL-633-WTC6/6 90 gallon in the lid 263 Gallon $24,267 564,732 13,690
TL-633-WT12/12 (6L’x3W’x3H’) 54 CF 419 Gallon $23,350 469,490 11,382
TL-633-WTC12/12 90 gallon in the lid 504 Gallon $25,027 564,732 13,690
TL-634-WT6/6 (6L’x3W’x4H’) 72 CF 224 Gallon $25,797 250,992 6,085
TL-634-WTC6/6 90 gallon in the lid 314 Gallon $27,550 351,837 8,529
TL-634-WT12/12 (6L’x3W’x4H’) 72 CF 583 Gallon $26,945 653,252 15,836
TL-634-WTC12/12 90 gallon in the lid 673 Gallon $28,275 754,097 18,281
TL-644-WT6/6 (6L’x4W’x4H’) 96 CF 404 Gallon $28,997 452,682 10,974
TL-644-WTC6/6 120 gallon in the lid 524 Gallon $30,625 587,142 14,234
TL-644-WT12/12 (6L’x4W’x4H’) 96 CF 628 Gallon $29,997 703,674 17,059
TL-644-WTC12/12 120 gallon in the lid 748 Gallon $31,350 703,674 17,059
TL-1350-WT6/6 (6L’x6W’x6H’) 216 CF 491 Gallon $41,567 550,166 13,337
TL-1350-WTC6/6 180 gallon in the lid 671 Gallon $44,197 751,865 18,227
TL-1350-WT12/6 (6L’x6W’x6H’) 216 CF 897 Gallon $42,997 1,005,089 24,366
TL-1350-WTC12/6 180 gallon in the lid 1,077 Gallon $45,275 838,134 20,318

7′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-734-WT6/6 (7L’x3W’x4H’) 84 CF 269 Gallon $29,325 301,415 7,535
TL-744-WT6/6 (7L’x4W’x4H’) 112 CF 284 Gallon $31,195 318,222 7,956
TL-744-WTC12/12 142 gallon in the lid 823 Gallon $35,120 922,172 22,356
TL-745-WTC12/12 142 gallon lid 140 CF 1,017 Gallon $38,265 1,139,549 27,043

8′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-844-WT 6/6 (8L’x4W’x4H’) 128 CF 264 Gallon $34,195 295,812 7,171
TL-844-WTC 6/6 160 gallon in the lid 424 Gallon $37,225 475,092 11,517
TL-844-WT12/12 (8L’x4W’x4H’) 128 CF 726 Gallon $35,397 813,483 19,720
TL-844-WTC12/12 160 gallon in the lid 886 Gallon $38,350 992,763 24,066
TL-854-WT6/6 (8L’x5W’x4H’) 160 CF 318 Gallon $37,140 356,319 8,638
TL-854-WTC6/6 198 gallon in the lid 516 Gallon $38,850 578,178 14,016
TL-854-WT12/12 (8L’x5W’x4H’) 160 CF 767 Gallon $36,875 859,424 20,835
TL-854-WTC12/12 198 gallon in the lid 965 Gallon $39,897 1,081,283 26,213

9′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-934-WT6/6 (9L’x3W’x4H’) 108 CF 314 Gallon $33,397 351,837 8,529
TL-934-WTC6/6 135 gallon in the lid 449 Gallon $36,447 503,105 12,196
TL-934-WT12/12 (9L’x3W’x4H’) 108 CF 735 Gallon $34,475 823,568 20,014
TL-934-WTC12/12 135 gallon in the lid 870 Gallon $37,497 974,835 23,632
TL-944-WT6/6 (9L’x4W’x4H’) 144 CF 386 Gallon $36,450 432,513 10,485
TL-944-WTC6/6 180 gallon in the lid 566 Gallon $39,547 634,203 15,375
TL-944-WT12/12 (9L’x4W’x4H’) 144 CF 774 Gallon $37,525 867,267 21,025
TL-944-WTC12/12 180 gallon in the lid 954 Gallon $40,597 1,068,957 25,914
TL-955-WT6/6 (9L’x5W’x5H’) 225 CF 449 Gallon $41,975 503,105 12,186
TL-955-WTC6/6 225 gallon in the lid 674 Gallon $46,450 755,217 18,308
TL-955-WT12/12 (9L’x5W’x5H’) 225 CF 1,053 Gallon $43,595 1,179,887 28,603
TL-955-WTC12/12 225 gallon in the lid 1,278 Gallon $48,197 1,431,999 34,715
TL-955-WT14/12 (9L’x5W’x5H’) 225 CF 1,287 Gallon $45,175 1,442,084 34,860
TL-955-WTC14/12 225 gallon in the lid 1,512 Gallon $49,647 1,694,196 47,071

10′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-1044-WT6/6 (10L’x4W’x4H’) 160 CF 346 Gallon $39,397 387,693 9,399
TL-1044-WTC6/6 200 gallon in the lid 546 Gallon $42,997 611,793 14,831
TL-1044-WT12/12 (10L’x4W’x4H’) 160 CF 823 Gallon $40,697 922,172 22,356
TL-1044-WTC12/12 200 gallon in the lid 1,023 Gallon $44,197 1,146,272 27,788
TL-1046-WTC6/6 200 gallon in the lid 762 Gallon $48,450 853,821 21,345
TL-1046-WTC12/12 200 gallon in the lid 1,495 Gallon $51,897 1,675,148 41,878
TL-1054-WT6/6 (10L’x5W’x4H’) 200 CF 355 Gallon $42,397 397,778 9,643
TL-1054-WTC6/6 250 gallon in the lid 605 Gallon $46,150 783,230 18,987
TL-1054-WT12/12 (10L’x5W’x4H’) 200 CF 860 Gallon $43,697 963,630 22,361
TL-1054-WTC12/12 250 gallon in the lid 1,110 Gallon $47,550 1,243,755 30,152
TL-1055-WT6/6 (10L’x5W’x5H’) 250 CF 475 Gallon $45,097 532,238 12,903
TL-1055-WTC6/6 250 gallon in the lid 725 Gallon $48,897 812,363 19,694
TL-1055-WT12/12 (10L’x5W’x5H’) 250 CF 1,115 Gallon $46,797 1,249,358 30,287
TL-1055-WTC12/12 250 gallon in the lid 1,365 Gallon $50,497 1,529,483 37,078
TL-1056-WT6/6 (10L’x5W’x6H’) 300 CF 598 Gallon $48,097 670,059 16,751
TL-1056-WTC6/6 250 gallon in the lid 848 Gallon $51,897 950,184 23,754
TL-1056-WT12/12 (10L’x5W’x6H’) 300 CF 1,369 Gallon $49,997 1,533,965 38,187
TL-1056-WTC12/12 250 gallon in the lid 1,619 Gallon $53,797 1,814,090 43,978
TL-1065-WTC6/6 299 gallon in the lid 934 Gallon $53,250 1,046,547 26,164

12′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-1256-WT6/6 (12L’x5W’x6H’) 360 CF 667 Gallon $52,250 747,374 18,118
TL-1256-WTC6/6 250 gallon in the lid 917 Gallon $56,750 1,082,403 27,060
TL-1256-WT12/12 (12L’x5W’x6H’) 360 CF 1,527 Gallon $54,097 1,711,004 41,479
TL-1256-WTC12/12 299 gallon in the lid 1,826 Gallon $58,697 2,046,033 51,150

14′ Fireboxes

 

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-1456-WT6/6 (14L’x5W’x6H’) 420 CF 897 Gallon $74,150 1,005,089 24,366
TL-1456-WTC6/6 329 gallon in the lid 1,226 Gallon $79,450 1,373,733 33,303
TL-1456-WT12/12 (14L’x5W’x6H’) 420 CF 1,885 Gallon $75,850 2,112,143 51,203
TL-1456-WTC12/12 329 gallon in the lid 2,214 Gallon $81,597 2,480,787 60,140