• Home
• Shop By Category
  Shop By Category
  • Air Filters
  • Boilers & Hydronics
  • Controls
  • Mini Splits & Forced Air
  • PEX & Radiant Tubing
  • Plumbing & Bath
  • Radiant Heating
  • Solar & Geothermal Systems
  • Ventilation & Indoor Air Quality
• Shop By Brand
  Shop By Brand
  1. ADP
  2. AIC Alliance
  3. Airtec
  4. Amana
  5. Amba
  6. Amtrol
  7. Aprilaire
  8. Aspen
  9. Axiom Industries LTD.
  10. BestAir Pro
  11. Biasi
  12. Bisque
  13. Broan
  14. Buderus
  15. Burnham
  16. Caleffi
  17. Carel
  18. Carrier
  19. ComfortPro
  20. ComfortStar
  21. Covertech Fabricating
  22. Crown Boiler Co.
  23. Daikin
  24. Danfoss
  25. Diversitech
  1. Dunkirk
  2. Ecobee
  3. Electro Industries
  4. Emerson
  5. Eternal
  6. Fantech
  7. Flanders
  8. Fujitsu
  9. General Aire
  10. Goodman
  11. Grundfos
  12. Honeywell
  13. Hydrolevel
  14. InfraSave
  15. Kamco
  16. Laars
  17. Lanco
  18. Lennox
  19. LG
  20. Mitsubishi
  21. Modine
  22. Mr. Steam
  23. Navien
  24. New Horizon Corp.
  25. New Yorker
  1. Noble
  2. Noritz
  3. NuTone
  4. Panasonic
  5. Peerless
  6. Pensotti
  7. Pro-Fab Industries
  8. Quietside
  9. Reflectix
  10. Reznor
  11. Rinnai
  12. Runtal
  13. Samsung
  14. Sanyo
  15. Schluter
  16. Smart Electric
  17. Soler & Palau
  18. SpacePak
  19. Steam Radiators
  20. StormPro
  21. SumPro
  22. SunTouch
  23. Taco
  24. Tekmar
  25. Thermo
  1. Tile Redi
  2. Triangle Tube
  3. Unico
  4. Utica
  5. Venmar
  6. Viega
  7. Viessmann
  8. Watts Radiant
  9. Weil-McLain
  10. White Rodgers
  11. Williamson-Thermoflo
  12. Wilo
  13. WSD
• My Account
  My Account
  • My Orders
  • My Merchandise Returns
  • My Credit Slips
  • My Addresses
  • My Personal Information
  • My Vouchers
  • My Warranties
• Customer Service
  Customer Service
  • Contact Us
  • FAQ
  • Shipping Policy
  • Product Availability
  • Return Policy
  • Freight Damage
  • Using Contractors
  • Warranty Claims
  • Conditions of Use
  • Privacy Policy

Single-Stage Multi-Speed Furnaces

• Goodman GKS90904CX Multi-Speed Gas Furnace, Upflow, Low NOx - 92.1% AFUE, 92,000 BTU

  

  Model: GKS90904CX Brand: Goodman
  
  Availability:  In Stock at Manufacturer. Ships within 7-14 days.
  Shipping: Free Ground Shipping in the USA
  Goodman GKS90904CX Multi-Speed Gas Furnace, Upflow, Low NOx - 92.1% AFUE, 92,000 BTU

  $858.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GDS80603AN Multi-Speed Gas Furnace, Downflow - 80% AFUE, 60,000 BTU

  

  Model: GDS80603AN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GDS80603AN Multi-Speed Gas Furnace, Downflow - 80% AFUE, 60,000 BTU

  $502.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GDS80804BN Multi-Speed Gas Furnace, Downflow - 80% AFUE, 80,000 BTU

  

  Model: GDS80804BN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GDS80804BN Multi-Speed Gas Furnace, Downflow - 80% AFUE, 80,000 BTU

  $508.31
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GMS80603AN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 70,000 BTU

  

  Model: GMS80603AN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GMS80603AN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 70,000 BTU

  $499.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GMS80403AN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 40,000 BTU

  

  Model: GMS80403AN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GMS80403AN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 40,000 BTU

  $467.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GKS90703BX Multi-Speed Gas Furnace, Upflow, Low NOx - 92.1% AFUE, 69,000 BTU

  

  Model: GKS90703BX Brand: Goodman
  
  Availability:  In Stock at Manufacturer. Ships within 7-14 days.
  Shipping: Free Ground Shipping in the USA
  Goodman GKS90703BX Multi-Speed Gas Furnace, Upflow, Low NOx - 92.1% AFUE, 69,000 BTU

  $754.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GKS90453BX Multi-Speed Gas Furnace, NG, Upflow, Low NOx - 92.1% AFUE, 46,000 BTU

  

  Model: GKS90453BX Brand: Goodman
  
  Availability:  In Stock at Manufacturer. Ships within 7-14 days.
  Shipping: Free Ground Shipping in the USA
  Goodman GKS90453BX Multi-Speed Gas Furnace, NG, Upflow, Low NOx - 92.1% AFUE, 46,000 BTU

  $729.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GMS81005CN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 100,000 BTU

  

  Model: GMS81005CN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GMS81005CN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 100,000 BTU

  $620.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GDS80403AX Multi-Speed Gas Furnace, Downflow, Low NOx - 80% AFUE, 40,000 BTU

  

  Model: GDS80403AX Brand: Goodman
  
  Availability:  In Stock at Manufacturer. Ships within 7-14 days.
  Shipping: Free Ground Shipping in the USA
  Goodman GDS80403AX Multi-Speed Gas Furnace, Downflow, Low NOx - 80% AFUE, 40,000 BTU

  $497.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GMS80804BN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 80,000 BTU

  

  Model: GMS80804BN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GMS80804BN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 80,000 BTU

  $574.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GDS80804BX Multi-Speed Gas Furnace, Downflow, Low NOx - 80% AFUE, 80,000 BTU

  

  Model: GDS80804BX Brand: Goodman
  
  Availability:  In Stock at Manufacturer. Ships within 7-14 days.
  Shipping: Free Ground Shipping in the USA
  Goodman GDS80804BX Multi-Speed Gas Furnace, Downflow, Low NOx - 80% AFUE, 80,000 BTU

  $587.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GDS80403AN Multi-Speed Gas Furnace, Downflow - 80% AFUE, 40,000 BTU

  

  Model: GDS80403AN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GDS80403AN Multi-Speed Gas Furnace, Downflow - 80% AFUE, 40,000 BTU

  $473.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GMS80604BN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 60,000 BTU

  

  Model: GMS80604BN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GMS80604BN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 60,000 BTU

  $512.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GDS81005CX Multi-Speed Gas Furnace, Downflow, Low NOx - 80% AFUE, 100,000 BTU

  

  Model: GDS81005CX Brand: Goodman
  
  Availability:  In Stock at Manufacturer. Ships within 7-14 days.
  Shipping: Free Ground Shipping in the USA
  Goodman GDS81005CX Multi-Speed Gas Furnace, Downflow, Low NOx - 80% AFUE, 100,000 BTU

  $661.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare

• Goodman GMS80805CN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 80,000 BTU

  

  Model: GMS80805CN Brand: Goodman
  
  Availability:  In stock. Ships within 2-3 days
  Shipping: Free Ground Shipping in the USA
  Goodman GMS80805CN Multi-Speed Gas Furnace, Upflow/Horizontal - 80% AFUE, 80,000 BTU

  $580.95
  

  Add to cart View Details Tell a Friend Ask a Question

  Select to compare