
Introducing The CREST® Condensing Boiler
The performance of the CREST boiler has changed the way the industry views fire-tube boilers.

High Efficiency
CREST, now available with optional RealTime O₂ Feedback™, is designed for efficiency and clean combustion.

Indoor/Outdoor Applications
Choose between our indoor models or an outdoor model designed and tested to withstand intense environmental factors.

SmartTouch™ Control
Smart touch control system to pair with the CON•X•US® application to give you real time updates.

Flexible Venting Options
6 venting options, and permits direct-vent air intake and exhaust runs up to 100 equivalent feet.
Now with Realtime O₂ Feedback
We now offer optional RealTime O₂ Feedback on all CREST high-efficiency boilers. As an industry-leader when it comes to sustainability and efficiency, we realize the importance of being able to monitor emissions at all times. View real time performance data via CREST’s touchscreen display and the CON•X•US app.
Interested in learning more about The Crest® Condensing Boiler?
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Get More Details
Take a deeper dive and see if the CREST Condensing Boiler is right for you by visiting our product page. Here you can learn more about features, specification details and read other literature.
More About Lochinvar
Lochinvar’s heritage of excellence dates back to 1939, when Walter Vallett, Sr. founded the Walter Vallett Company. Today, Lochinvar continues our leadership position in the industry.