The Homecraft APEX 18 kW Electric Sauna Heater delivers high-capacity, professional-grade heat for large residential or light-commercial sauna rooms. This powerful 208 V / 3-phase heater is engineered to warm spaces between approximately 690 – 1,150 cubic feet, offering steady, deep warmth and robust steam performance when heated rocks are used.

Built with premium stainless steel and a protected airflow chamber, the APEX 18 kW is designed for long-term durability and even heat distribution. Its large stone capacity provides excellent thermal mass and rich, consistent heat throughout the sauna room.

This heater runs on 208V (3-phase) and pairs with a Homecraft TKE3 control kit (sold separately) — a contactor box plus a touchpad — available with a regular (non-WiFi) or WiFi touchpad. A TKE24D (24-hour commercial timer) control is also available.

  • Powerful 18kW Heating – Efficiently warms large sauna rooms from 690–1,150 cubic feet, delivering consistent, high-output heat ideal for home, spa, or commercial multi-user environments.
  • Canadian Craftsmanship – Built in Canada with premium materials and robust construction, ensuring long-lasting durability, reliable performance, and maintenance-free operation even under frequent use.
  • Sold as a Control Kit – Pair with a Homecraft TKE3 control kit (contactor box + touchpad), available with a regular (non-WiFi) or WiFi touchpad — sold separately (TKE24D 24-hour commercial timer also available)
  • 208V 3-Phase Voltage – Supports 208V 3-Phase power, enabling efficient, even heating for large sauna spaces while maintaining energy efficiency and operational reliability.
  • Sturdy, Professional-Grade Construction – Engineered to withstand intensive use, ensuring even heat distribution, safety, and long-term performance for high-capacity sauna rooms.
  • Safety-Focused Design – Includes recommended 60-amp circuit breaker and minimum 5.5-inch clearance to combustibles, providing secure operation and peace of mind during every sauna session.
  • CSA Certified – Meets North American safety standards for safe, dependable operation.
  • Wattage: 18 kW
  • Voltage / Phase: 208 V / 3-Phase only
  • Room Size: ~690 – 1,150 cu ft
  • Required Control Kit: TKE3 kit (contactor box + touchpad, sold separately). TKE24D 24-hour timer also available.
  • Circuit Breaker: 60 A
  • Amperage Draw: ~48 A
  • Recommended Wire Size: #6 AWG copper (90°C rated)
  • Stone Capacity: Up to ~310 lbs (stones sold separately)
  • Dimensions (W × D × H): 18" × 18" × 36"
  • Construction: 100% stainless steel
  • Minimum Clearance to Combustibles: 5.5"
  • Certifications: CSA approved
  • Country of Manufacture: Canada
  • Installation: Floor-mounted; professional installation by a licensed electrician is required.
  • Warranty (Heating Elements): Covered by a 2-year manufacturer warranty from Homecraft (residential use only).

Apex Electric Sauna Heater 18kW | Homecraft

SKU: HOM-Apex 18kW 208V 3 phase
Regular price $3,500.00
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The Homecraft APEX 18 kW Electric Sauna Heater delivers high-capacity, professional-grade heat for large residential or light-commercial sauna rooms. This powerful 208 V / 3-phase heater is engineered to warm spaces between approximately 690 – 1,150 cubic feet, offering steady, deep warmth and robust steam performance when heated rocks are used.

Built with premium stainless steel and a protected airflow chamber, the APEX 18 kW is designed for long-term durability and even heat distribution. Its large stone capacity provides excellent thermal mass and rich, consistent heat throughout the sauna room.

This heater runs on 208V (3-phase) and pairs with a Homecraft TKE3 control kit (sold separately) — a contactor box plus a touchpad — available with a regular (non-WiFi) or WiFi touchpad. A TKE24D (24-hour commercial timer) control is also available.

  • Powerful 18kW Heating – Efficiently warms large sauna rooms from 690–1,150 cubic feet, delivering consistent, high-output heat ideal for home, spa, or commercial multi-user environments.
  • Canadian Craftsmanship – Built in Canada with premium materials and robust construction, ensuring long-lasting durability, reliable performance, and maintenance-free operation even under frequent use.
  • Sold as a Control Kit – Pair with a Homecraft TKE3 control kit (contactor box + touchpad), available with a regular (non-WiFi) or WiFi touchpad — sold separately (TKE24D 24-hour commercial timer also available)
  • 208V 3-Phase Voltage – Supports 208V 3-Phase power, enabling efficient, even heating for large sauna spaces while maintaining energy efficiency and operational reliability.
  • Sturdy, Professional-Grade Construction – Engineered to withstand intensive use, ensuring even heat distribution, safety, and long-term performance for high-capacity sauna rooms.
  • Safety-Focused Design – Includes recommended 60-amp circuit breaker and minimum 5.5-inch clearance to combustibles, providing secure operation and peace of mind during every sauna session.
  • CSA Certified – Meets North American safety standards for safe, dependable operation.
  • Wattage: 18 kW
  • Voltage / Phase: 208 V / 3-Phase only
  • Room Size: ~690 – 1,150 cu ft
  • Required Control Kit: TKE3 kit (contactor box + touchpad, sold separately). TKE24D 24-hour timer also available.
  • Circuit Breaker: 60 A
  • Amperage Draw: ~48 A
  • Recommended Wire Size: #6 AWG copper (90°C rated)
  • Stone Capacity: Up to ~310 lbs (stones sold separately)
  • Dimensions (W × D × H): 18" × 18" × 36"
  • Construction: 100% stainless steel
  • Minimum Clearance to Combustibles: 5.5"
  • Certifications: CSA approved
  • Country of Manufacture: Canada
  • Installation: Floor-mounted; professional installation by a licensed electrician is required.
  • Warranty (Heating Elements): Covered by a 2-year manufacturer warranty from Homecraft (residential use only).