Whole-home comfort starts here.
Shop efficient tankless water heaters and condensing boilers, delivered across the United States.

Built for reliable comfort.
Compare high-efficiency equipment for hot water, space heating, or a combined home system.
Featured Navien products.
Tankless Water Heaters
Navien NPE-180S2 – Condensing Tankless Water Heater – 150,000 BTU
Heating Boilers
Heating Boilers
Heating Boilers
Clear specifications. Reliable equipment.
We make it easier to compare Navien models and order the equipment your project needs.
Three steps to the right system.
Choose the equipment type
Select tankless hot water, a combi boiler, or a dedicated heating boiler.
Confirm the specifications
Review model, fuel, BTU, venting, and sizing with a licensed professional.
Order online
Complete secure checkout and receive order and shipping updates by email.
Before you order.
Do you ship across the United States?
Yes. Standard shipping is free on eligible orders delivered within the United States.
How do I choose the right BTU size?
A qualified HVAC professional should calculate the heating and hot-water load for your property before purchase.
Are these products new?
Yes. The catalog lists new Navien equipment with model, SKU, GTIN, price, and stock status.
Who should install the equipment?
Installation should be completed by a qualified professional according to local codes and manufacturer requirements.
Upgrade your home comfort.
Explore all available Navien water heaters and boilers.
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