What is the Heating Box? The Heating Box is an integrated heat transfer control station that accepts hot water from a heat source and then  re-directs it as required to provide domestic hot water and/or heat to hydro heating applications. It works to direct hot water traffic in the most efficient and effective way to satisfy household demand. The Heating Box simplifies the design and installation of any combination domestic hot water and hydro heating system. The Heating Box is prefabricated with the highest quality components and guided by the computer precision control necessary to perfect domestic hot water and hydro heating delivery.    The Heating Box™ completes your combination system The Heating box is a fully integrated heat transfer control station that takes hot water from one heat source and re-directs it as required to provide hydronic space heating applications and domestic hot water.   Navien Heating Box Models Open-Loop System Model KD-HBO100 $1,299.00 Closed-Loop System Model KD-HBC100 $2,145.00

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Although we specialize in Hydronic Heating and Tankless Water Heaters, we are also licensed plumbers and can provide a complete heating, plumbing, natural gas piping & fire protection package if so desired.

Commercial & Residential Installation

Serving the Seattle, Bellevue and Everett

Washington Areas 

Free Energy Savings Estimate 

We ship to the United States and Canada!

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206.730.0149

Providing Radiant Heating & Cooling Systems

Since 1991