Harvia KIP vs Harvia The Wall: Which Sauna Heater Should You Choose?

Two of the most popular sauna heaters for small to mid-sized home saunas are the Harvia KIP and Harvia The Wall. Both come from Finland’s leading sauna heater manufacturer and are designed to fit tight spaces—but they offer different features, control styles, and aesthetics.

In this article, we’ll compare both KIP models (built-in and digital) against both versions of The Wall (Black Steel and Stainless Steel) so you can choose the right one for your layout and preferences.

Harvia KIP Electric Sauna Heater – Two Versions

1. KIP with Built-In Manual Controls

This classic version of the KIP features manual dials directly on the heater. It’s the most affordable and straightforward option—just turn the dial and heat your sauna.

• For sauna sizes from 84–425 cu. ft.
• Available in 3kW, 4.5kW, 6kW, and 8kW
• Wall-mounted with built-in temp/timer dials
• Simple to install and operate

→ View KIP w/ Built-In Controls

2. KIP with Xenio Digital Controller + WiFi

Upgrade to the digital KIP model and you’ll get full control via Harvia’s Xenio touchscreen and optional WiFi module. This version is great for users who want mobile app control or scheduling capability.

• Same performance as manual KIP, but smarter
• Includes external Xenio control panel + WiFi module
• Control via MyHarvia app

→ View KIP w/ WiFi & Digital Controls

Harvia The Wall Electric Sauna Heater – Two Color Options

The Wall is Harvia’s sleek, minimalistic alternative to the KIP—perfect for those who want a modern aesthetic and built-in, illuminated controls.

The Wall – Black Steel Finish

The Black Steel model offers a bold, contemporary look and matches well with dark or cedar interiors. Its built-in controls allow for left- or right-side installation—great for tight layouts.

• For rooms from 141–425 cu. ft.
• Available in 6kW or 8kW
• Wall-mounted with illuminated built-in controls
• Delay timer + adjustable temperature

→ View The Wall in Black Steel

The Wall – Stainless Steel Finish

Prefer a lighter or more traditional sauna look? Go with The Wall in brushed stainless steel. It features the same design and functionality, just with a brighter finish that blends well with modern or light wood interiors.

• Same specs as black model, but different finish
• Matches a wider range of sauna interior tones

→ View The Wall in Stainless Steel

Harvia KIP vs. The Wall – Key Differences

• Controls: KIP offers manual or digital; The Wall has built-in, side-mounted illuminated dials
• WiFi: KIP digital model supports MyHarvia app; The Wall does not offer app control
• Style: The Wall offers two sleek finishes (Black or Stainless); KIP is utilitarian and classic
• Ease of Use: The Wall is more beginner-friendly with everything built in

Which Should You Choose?

• Choose Harvia KIP if you want maximum flexibility in control options (manual or smart), or a more budget-friendly setup.
• Choose Harvia The Wall if you want modern aesthetics, simple setup, and a cleaner in-room look—especially in premium black or stainless finishes.

Need help sizing your heater? Try our Sauna Heater Size Calculator 

Reminder: All Harvia heaters are made in Finland and may be subject to future tariff price increases—lock in your order now while U.S. inventory is available.

→ Browse All Sauna Heaters