Cozy Heat COZY Quattro Wood-Burning Sauna Stove 12 kW or 18kW

• Square-design wood-burning sauna stove
• Nominal heat capacity: 12 kW
• Intended hot room size: 210–423 cu ft
• Intended hot room size: 6–12 m³
• Floor-mounted installation type
• Black steel construction
• Heater door with glass
• Outer frame of the heater
• Heater body
• Cleaning hatch
• Ash box
• Top flue connection location
• Chimney outlet: top
• Smoke flue minimum cross-section: 7,850 mm²
• Necessary draught: 12 Pa
• Minimum ventilation opening cross-section: 10,200 mm²
• Fuel type: wood logs
• Maximum wood log length: up to 33 cm (13 in)
• Published fuel quantities to be added: 3.6 kg in three parts
• CO emission (13% Vol. O₂): 0.074% / 918 mg/m³
• Dust emission: 22 mg/m³
• Overall efficiency: 73.9%
• Flue gas average temperature: 292 °C (557 °F)
• Sauna stones required for operation
• Stone size guidance (12 kW class): 7.5–10 cm
• Stone load guidance (12 kW class): 100–120 kg (154–265 lb)
• Rock capacity: 265 lbs
• Published safety distance (sides): 170 mm
• Published safety distance (back): 230 mm
• Published safety distance (front): 500 mm
• Minimum room height: 72 in (1828 mm)
• Certified according to BimSchV; DIN EN 15821:2011-01
• Installation and operation manual included
• 2-year warranty (consumer use)
• Designed and engineered in Estonia

• Model: COZY QUATTRO
• UPC/GTIN: 4745010348259
• Nominal heat capacity: 12 kW
• Room volume: 210–423 cu ft
• Installation type: Floor
• Fuel type: Wood
• Flue connection location: Top
• Stove depth: 20.27 in (515 mm)
• Stove width: 17.32 in (440 mm)
• Stove height: 27.55 in (700 mm)
• Product weight: 141 lbs
• Shipping weight (with sauna stones): 406 lbs
• Maximum firewood length: 12.95 in (329 mm)
• Firewood diameter: 3.15–4.72 in (80–120 mm)
• Safety distance (sides): 6.69 in (170 mm)
• Safety distance (back): 9.05 in (230 mm)
• Safety distance (front): 19.68 in (500 mm)
• Minimum room height: 72 in (1828 mm)
• Rock capacity: 265 lbs
• Warranty: 2-year warranty (consumer use)

If you want the ritual and feel of a traditional sauna, the COZY Quattro is built around wood-fired heat and a stone-based steam experience. The 12 kW rating and 210–423 cu ft sizing help match the heater to real sauna room volumes, while published safety clearances and height requirements support thoughtful layout planning.
At the brand level, Cozy Heat focuses on heaters designed and engineered in Estonia, with clear operating and installation guidance intended to support consistent, repeatable sauna use. The Quattro’s steel construction, glass door, and practical service components (such as the ash box and cleaning hatch) align with long-term ownership and routine maintenance.
For owners planning a complete installation, this stove is specified with key system requirements such as ventilation opening cross-section, smoke flue cross-section, and top flue connection, helping you coordinate your sauna build with the appropriate chimney and ventilation approach.

Most Cozy Heat orders arrive within up to 21 days. Timing can vary by destination, carrier scheduling, and product availability. Orders paid through Affirm can add 5 to 7 days.

Order Processing

• Order Verification: After you place an order, we confirm availability with Cozy Heat or an authorized distribution partner in our network.
• Payment Authorization: Once availability is confirmed, your payment method is charged.
• Order Placement: We then place the order with the supplier for fulfillment.
• Order Cutoff Time: Orders placed after 2:00 PM CST may begin processing the next business day.

Shipping Rates and Delivery Timeline

• Free Shipping: Shipping is FREE to the continental U.S. (lower 48 states).
• Handling Time: 1 to 10 business days
• Transit Time: 1 to 14 business days
• Brand Timing Note: Cozy Heat products typically deliver within up to 21 days.
• Affirm Note: Orders paid through Affirm can delay shipping timelines by 5 to 7 days.

Shipment Confirmation and Tracking

• Tracking Email: You will receive a shipment confirmation email once your order ships with tracking details.
• Tracking Activation: Tracking may take up to 24 hours to populate after the label is created.
• Carrier Selection: The carrier may vary based on cost and service quality.
• Delivery Scheduling: Most freight carriers attempt to contact you 1 to 2 days before delivery to schedule a drop-off time, but this is not guaranteed.

Delivery Options

• Standard Delivery: Curbside delivery only. You are responsible for bringing the shipment inside.
• Optional Upgrades: White Glove Service (inside placement) and Premium Installation Service (inside placement plus assembly and installation) may be available for an additional fee at checkout, subject to availability in your area. These services can add 2 to 5 business days for scheduling and coordination.

Pre Order and Special Order Items

• If an item is pre order or out of stock, we will email or call to confirm you are comfortable with extended shipping times before your payment is processed.
• Delivery timelines are estimates and may change due to production, freight, or carrier factors.
• Outside the lower 48 states: We can often arrange shipping, but it is not part of our standard offering. Contact us for a custom quote.

Damages

InHouseWellness.com is not liable for products damaged or lost during shipping. If your order arrives damaged, contact the carrier immediately to file a claim, save all packaging and damaged goods, and we will assist with coordination and documentation as needed.

InHouse Wellness extends the Cozy Heat manufacturer warranty to the original purchaser. Warranty coverage, terms, and remedies are set by Cozy Heat. Any warranty claims should be communicated directly to Cozy Heat.

Warranty Period

• Cozy Heat sauna stoves: 24 months from the date of purchase (proof required via purchase receipt/invoice).

What Cozy Heat Covers

Cozy Heat’s warranty covers defects caused by manufacturing errors during the warranty period.

What’s Not Covered (Manufacturer-Stated Exclusions)

The warranty does not cover the following effects caused by the combined impact of temperature and steaming water:

• Metal deformations
• Effects on surface covering/finish
• Effects on door glass

How to Start a Warranty Claim (Contact Cozy Heat)

Warranty claims should be submitted to Cozy Heat and should include:

• Photos showing the defect
• Copies of purchase documents (receipt/invoice)

When you’re investing in premium wellness equipment, you want more than just a good deal—you want the right partner. Here’s why our customers trust us over anyone else:

• Guaranteed Best Pricing – We work directly with manufacturers, so you never overpay. If you find a lower price, we don’t just match it—we beat it.
• Unbeatable Shipping Times – Even if others claim faster delivery, we win. Your order ships either from our Austin, TX warehouse or straight from the manufacturer—fast, reliable, and trackable.
• White Glove Delivery & Installation – We offer professional delivery, assembly, and installation so your new equipment is set up perfectly from day one.
• U.S.-Based, Real Support – Our team is right here in the USA, ready to help by phone, text, or email—before, during, and long after your purchase.
• Since 2011 – Over a decade of helping health and wellness consumers connect with top brands and the perfect products for their needs.
• Factory Warranties Included – Full manufacturer coverage on every product, plus our help if you ever need to file a claim.
• Exclusive Video & eBook Guides – From maintenance tips to usage tutorials, we give you the knowledge to get the most from your investment.

Bottom line: We don’t just sell equipment—we deliver the fastest shipping, the most reliable support, and the kind of buying experience you’ll tell your friends about.