Condensing Gas Boiler

Condensing Boilers

Confidently Designed for Performance

When it comes to heating, it’s all about comfort, reliability and efficiency. At Rinnai, we design our Condensing Boilers to offer all three. No other can offer homeowners the unparalleled performance and efficiency.

Heat an entire home – even provide continuous hot water – with a Rinnai Condensing Gas Boiler. Economical, reliable and compact, Rinnai boilers offer homeowners unparalleled performance and efficiency


  • All
  • E Series
  • Q Series
  • Q Premier Series
  • All
  • Heating
  • Combi

The Rinnai E Series

Heating and Hot Water in One Compact Unit

Perfect for homes with 1 – 2 baths, E Series “combi” models offer maximum BTU heating inputs from 75,000 to 110,000. Domestic hot water priority ensures homeowners will never have to sacrifice continuous hot water.

E50C

E50C

E Series

Specifications

Max BTU
50,000
AFUE
95.6%
E110C
Max BTU
110,000
AFUE
95.5%
E75C

E75C

E Series

Specifications

Max BTU
75,000
AFUE
95.5%

The Rinnai Q Series

Ideal for Homes or Light Commercial

With a fully modulating boiler pump and maximum BTU inputs ranging from 85,000 to 205,000, the Q Series is ideal for light commercial applications or any home with a separate indirect hot water source (Q175C offers both heating and domestic hot water).

Q205S
Max BTU
205,000
AFUE
95.0%
Q175C
Max BTU
175,000
AFUE
95.0%
Q130S
Max BTU
130,000
AFUE
95.4%
Q175S
Max BTU
175,000
AFUE
95.0%
Q85S

Q85S

Q Series

Specifications

Max BTU
85,000
AFUE
95.4%

The Rinnai Q Premier Series

All-In-One Residential Heating and Domestic Hot Water

The Rinnai Q Premier uniquely meets homeowner demand for high-volume hot water and efficient home heating, all in one single, space-saving appliance. A boiler and tank all in one, the Q Premier delivers a fully assembled system that hasn’t been available – until now. Perfect for replacement or new construction, the floor-standing Q Premier is a complete, space-saving solution, fully assembled and simple to install.

QP85N

QP85N

Q Premier Series

Specifications

Max BTU
85,000
AFUE
95.4%
QP130N

QP130N

Q Premier Series

Specifications

Max BTU
130,000
AFUE
95.4%

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