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Outdoor Furnace Supply

Outdoor Furnace Supply specializes in reliable heat exchangers and unit heaters for outdoor wood furnaces and hydronic HVAC systems, delivering efficient heating solutions for homes.

3 products Updated August 3, 2026

Outdoor Furnace Supply Products (3)

1

Outdoor Furnace Supply 12x18 Water-to-Air Heat Exchanger Coil for Wood Furnaces - 54K BTU Efficient Hot Water Transfer

Outdoor Furnace Supply
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High-performance heat output ideal for whole-home heating
  • Robust construction with 175 psig/350°F rating for safety
  • Excellent packaging minimizes damage risk during transit
  • Lifetime warranty provides peace of mind
  • Versatile for any hot water source like wood furnaces or boilers

Cons

  • Requires soldering skills for 1-inch copper sweat connections
  • Specific 12x18 size may need plenum modifications
  • Designed only for forced air systems, not standalone use
2

Outdoor Furnace Supply 8x8 Water-to-Air Heat Exchanger Coil for Wood Furnaces - 38K BTU, Lead-Free Copper

Outdoor Furnace Supply
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 38,000 BTU output at standard conditions for effective heating
  • Quality construction with 3 rows of 3/8-inch seamless copper tubes
  • Lead-free design suitable for potable water applications
  • Compact 8x8 finned area fits most hot air plenums
  • Pressure-rated to 175 psig/350°F for reliable operation

Cons

  • Requires soldering skills or professional installation for copper connections
  • Specific 8x8 size may not suit all furnace plenum dimensions
  • Performance varies with water temperature and flow rate
3

Outdoor Furnace Supply 100,000 BTU Hydronic Hanging Unit Heater - Single Speed Fan for Garages & Warehouses

Outdoor Furnace Supply
8.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Powerful performance with 100,000 BTU and 13 GPM flow rate
  • Versatile applications for boilers in residential or commercial settings
  • Lightweight 37 lbs for straightforward overhead mounting
  • 1-inch copper connections for durable hydronic compatibility

Cons

  • Single-speed fan offers limited airflow control options
  • 63 dB noise level may be noticeable in quiet environments
  • Lower customer ratings indicate potential reliability concerns

Outdoor Furnace Supply Brand Guide

Outdoor Furnace Supply is a trusted name in the world of efficient home heating, particularly for those who rely on outdoor wood furnaces. Known for their specialized heat exchangers and hydronic heaters, the brand provides essential components that enhance the performance of wood-fired heating systems, ensuring reliable warmth even in the harshest winters.

Brand Overview

With a focus on the Tools & Home Improvement sector, Outdoor Furnace Supply caters to homeowners and professionals seeking durable solutions in Building Supplies. Their product lineup emphasizes compatibility with outdoor wood furnaces, making them a go-to choice for off-grid or alternative heating setups. These components are engineered to transfer heat effectively from water-based systems to air or direct spaces, optimizing energy use from wood fuel sources.

The brand's commitment to functionality shines through in designs that prioritize longevity and ease of integration. Whether upgrading an existing furnace or building a new system, Outdoor Furnace Supply products help create a seamless heating experience. Their offerings stand out in the competitive HVAC market by addressing the unique demands of wood-burning applications, where efficiency and robustness are paramount.

What Makes Outdoor Furnace Supply Stand Out

Several factors set Outdoor Furnace Supply apart from generic heating suppliers. First, their heat exchangers, such as water-to-air coils in various sizes, are built for maximum thermal transfer, allowing hot water from outdoor furnaces to efficiently warm indoor air. This design reduces heat loss and boosts overall system performance, a critical advantage for users burning wood as their primary fuel.

Quality construction is another hallmark. These products feature robust materials that withstand the corrosive effects of wood smoke and high temperatures, ensuring years of dependable service. The brand's reputation for straightforward installation further appeals to DIY enthusiasts and contractors alike, minimizing downtime during setup.

In addition, their hydronic unit heaters provide targeted heating for garages, workshops, or large open spaces. These hanging units with single-speed fans deliver consistent hot air distribution, making them ideal companions to outdoor furnace systems. Outdoor Furnace Supply's emphasis on practical innovation helps users achieve cost-effective heating without compromising on safety or output.

Key Product Categories

Outdoor Furnace Supply's inventory aligns closely with essential HVAC needs, particularly in the realm of Heaters & Accessories. Here's a breakdown of their core offerings:

  • Water-to-Air Heat Exchangers: Available in sizes like 12x18 and 8x8, these coils convert hot water from outdoor wood furnaces into warm air for ducted systems. They're perfect for whole-home heating retrofits.
  • Hydronic Hanging Unit Heaters: High-BTU models with plug-and-play fans, designed for suspended installation in non-living spaces. They excel in supplemental heating where central systems fall short.
  • Furnace Accessories: Complementary parts that enhance compatibility and efficiency, ensuring your outdoor setup runs smoothly.

These categories make the brand versatile for various heating challenges, from residential to light commercial use.

Who Are Their Products Best For?

Outdoor Furnace Supply products are ideal for rural homeowners, off-grid living enthusiasts, and anyone committed to wood-based heating. If you own an outdoor wood furnace and need to bridge the gap between water heat and air distribution, their exchangers provide a reliable solution. Professionals in agriculture or workshops also benefit from the hanging heaters' powerful output in uninsulated areas.

These items suit those prioritizing sustainability and independence from traditional gas or electric heating. Users appreciate the brand's focus on real-world durability, making it a smart pick for long-term investments in home comfort.

Frequently Asked Questions

What types of heating systems do Outdoor Furnace Supply products support?

The brand specializes in components for outdoor wood furnaces and hydronic systems, including water-to-air exchangers and hanging unit heaters that integrate seamlessly with these setups.

Are these products suitable for DIY installation?

Yes, many items like heat exchangers and plug-in heaters feature user-friendly designs, though professional consultation is recommended for complex HVAC integrations.

How do Outdoor Furnace Supply heat exchangers improve efficiency?

They maximize heat transfer from boiler water to air, minimizing waste and enhancing the output of wood-fired furnaces for better overall system performance.

Can these products be used in commercial spaces?

Absolutely, especially the high-capacity hydronic heaters, which are great for garages, barns, and workshops requiring robust supplemental heating.

What maintenance do these products require?

Regular cleaning of coils and fans ensures optimal performance; their durable build reduces the need for frequent servicing compared to lesser alternatives.