The Infratech WD-Series Dual Element 4000W Electric Patio Heater provides reliable, focused warmth for patios, balconies, and semi-enclosed outdoor spaces. Engineered with dual quartz infrared elements and housed in a durable stainless-steel body, this unit delivers steady, comfortable heat with minimal energy loss. With its slim, modern profile and multiple installation options, it seamlessly integrates into residential backyards, commercial dining areas, and hospitality environments.
Operating at more than 90% energy efficiency, the WD4028SS offers silent performance, zero emissions, and low maintenance requirements—making it an excellent upgrade for year-round outdoor comfort.
Please Note: This heater must be hard-wired to a dedicated circuit by a licensed electrician. Infratech units are not designed for plug-in operation and must be professionally installed for safe and optimal performance.
Key Features
-
High-Performance Dual Heating Elements – Even, efficient infrared heat output covering up to 80 sq. ft.
-
Durable Construction – Heavy-gauge steel housing built to withstand outdoor conditions.
-
Versatile Mounting Options – Wall, ceiling, post mount, or recessed installations available.
-
Eco-Friendly Operation – Over 90% energy efficiency, no harmful emissions, and silent performance.
-
Long Service Life – Quartz elements rated for approximately 5,000 hours of use.
-
Indoor/Outdoor Rated – UL listed for safe operation in commercial and residential spaces.
-
Custom Finish Options – Available in stainless steel, white, almond, beige, biscuit, bronze, copper, grey or black powder coating.
-
Proudly Made in the USA – Backed by a 3-year manufacturer’s warranty.
Note: All powder-coated units (black, white, almond, beige, bronze, biscuit, grey, copper) are non-returnable.
Specifications & Dimensions
|
Dimensions & Weight
|
|
| Length |
39"
|
| Height |
8.18"
|
| Depth/Extension |
9.37"
|
| Weight |
14 lbs
|
|
Heating Specifications
|
|
| Heating Area |
80 sq. ft.
|
| Fuel Source |
Electric
|
|
Infrared Heat Technology
|
Medium Wave
|
|
Installation Details
|
|
|
Minimum Mounting Height
|
96"
|
|
Maximum Mounting Height
|
120"
|
|
Mounting Angle
|
0° to 60°
|
|
Can be Recessed
|
Yes
|
|
Mounting Options
|
Wall, Ceiling, Post, or Recessed
|
|
Lamping Details
|
|
|
Standard Wattage
|
4000 watts
|
|
Voltage Rating
|
208 V, 240 V, 277 V, 480 V
|
|
Amperage
|
19.23 A / 16.67 A / 14.44 A / 8.33 A
|
|
Product Details
|
|
|
Material
|
Steel
|
|
Application
|
Commercial or Residential
|
|
IPX Rating
|
IPX4 (weather resistant)
|
|
Element Life
|
Approx. 5,000 hours
|
|
UL Listed
|
Indoor and Outdoor use
|
|
Made In
|
USA |
Whats Included?
What’s Included:
Additional Optional Accessories:
Warranty
Infratech provides a 3-year limited warranty on this electric heater, ensuring it is free from defects in materials and workmanship from the original date of purchase.
For complete terms and conditions, please consult the manufacturer’s warranty manual.
Shipping & Returns
Shipping Policy
-
Free Shipping on All Orders – We provide free standard delivery on all orders within the contiguous U.S.
-
Ground Shipping for Smaller Items – Accessories and lighter products ship via standard ground carriers such as FedEx, UPS, or similar.
-
Freight Delivery – Large items (HVAC/Heaters) ship via LTL freight. Drivers deliver to the curbside only; they cannot bring items into your home or garage.
-
Tracking Information – Tracking is typically provided within 3–5 business days after your order is placed.
-
Carrier Updates – Once tracking is issued, allow 1–2 business days for the carrier to populate shipment details.
-
More Information – Full details can be found on our Shipping Policy page.
Return Policy
-
30-Day Return Window – Return requests must be submitted within 30 days of delivery; requests after this period cannot be accepted.
-
Inspect Upon Delivery – Visible damage must be noted on the driver's paperwork. Report all damage within 24 hours to qualify for a replacement.
-
Return Condition Requirements – Items must be unused, uninstalled, and in original packaging, including all boxes, crates, or pallets.
-
Restocking Fees – Restocking fees of 25–35% apply to most brands; see full policy for details.
-
Non-Returnable Items – Accessories, small components (remotes, line sets), and custom-finish items are non-returnable.
-
Full Details – See our Return & Refund Policy page for complete guidelines.