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Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP
Product Details Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C The I-SERIES Plus™ Combi Condensing Gas Boile...
View full detailsRinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas
Product Details Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S The NEWI-SERIES Plus line of Solo and Combi Con...
View full detailsRinnai 150,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP
Product Details Rinnai 150,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP150199C The NEWI-SERIES Plus line of Solo and Combi ...
View full detailsRinnai 120,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP
Product Details Rinnai 120,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP120199C This high-performance Combi Boiler delivers ...
View full detailsRinnai 199,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP
Product Details Rinnai 199,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090199C The I-SERIES Plus™ Combi Condensing Gas Boil...
View full detailsRinnai 399K BTU Natural Gas RCB-Series Commercial Wall Boiler Ultra Low NOx
Product Details Rinnai 399K BTU Natural Gas RCB-Series Commercial Wall Boiler Ultra Low NOx RCB399AN The Rinnai 399K BTU Natural Gas RCB-Series C...
View full detailsRinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V
Product Details Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN The Rinnai RCB-Series is a high-efficiency, wall-mount...
View full detailsRinnai 60,000 BTU Condensing Gas Boiler Heater Wall Mounted NG/LP
Product Details Rinnai 60,000 BTU Condensing Gas Boiler Heater Wall Mounted NG/LP IP060S The I-SERIES Plus™ Solo Condensing Gas Boiler from Rinnai...
View full detailsRinnai 60,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP
Product Details Rinnai 60,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP060160C The I-SERIES Plus™ Combi Condensing Gas Boile...
View full detailsRinnai 150,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas
Product Details Rinnai 150,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP150S The I-SERIES Plus™ Solo Condensing Gas Boiler f...
View full detailsRinnai 90,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas
Product Details Rinnai 90,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP090S The I-SERIES Plus™ Solo Condensing Gas Boiler fr...
View full detailsRinnai 199K BTU Condensing Gas Boiler Wall Mounted Propane Or Natural Gas
Product Details Rinnai 199K BTU Condensing Gas Boiler Wall Mounted Propane Or Natural Gas IP199S The Rinnai IP199S is a high-efficiency, 199,000 B...
View full detailsRinnai 175000 BTU Condensing Gas Boiler Wall Mounted Propane Or Natural Gas
Product Details Rinnai 175,000 BTU Condensing Gas Boiler Wall Mounted Propane Or Natural Gas IP175199C The Rinnai I-SERIES Plus Combi Condensing G...
View full detailsRinnai 199000 BTU Condensing Gas Boiler Wall Mounted Propane Or Natural Gas
Product Details Rinnai 199,000 BTU Condensing Gas Boiler Wall Mounted Propane/Natural Gas IP199199C The Rinnai IP199C is a high-performance, 199,0...
View full detailsRinnai 175,000 BTU Condensing Gas Boiler Wall Mounted Propane & Natural Gas
Product Details Rinnai 175,000 BTU Condensing Gas Boiler Wall Mounted Propane & Natural Gas IP175S The Rinnai IP175S is a high-efficiency, 175...
View full detailsHVAC Store provides superior boilers engineered for the precise requirements of hydronic heating in residential and light-commercial environments. Our selection ranges from compact wall-mounted configurations to high-capacity floor units, each vetted for thermal efficiency and long-term reliability. We focus on natural gas and propane systems with transparent AFUE ratings and BTU ranges, allowing professionals to match equipment to existing baseboard or radiant loads with technical accuracy.
Boilers: Precision Hydronic Heating for Modern Spaces
HVAC Store provides superior boilers engineered for the precise requirements of hydronic heating in residential and light-commercial environments. Our selection ranges from compact wall-mounted configurations to high-capacity floor units, each vetted for thermal efficiency and long-term reliability. We focus on natural gas and propane systems with transparent AFUE ratings and BTU ranges, allowing professionals to match equipment to existing baseboard or radiant loads with technical accuracy.
Advanced Condensing Technology and Combi-Solutions
Our inventory focuses on high-efficiency condensing boilers that reclaim thermal energy from exhaust gases before they exit the flue. These systems utilize cutting-edge stainless steel or advanced-alloy heat exchangers and sealed combustion to achieve AFUE ratings that significantly exceed traditional cast-iron standards. For projects requiring both space heating and domestic hot water (DHW) from a single footprint, our combi-boiler models integrate a condensing burner with on-demand water heating, eliminating the need for a separate storage tank.
These units are designed for versatile installation, with wall-hung formats that optimize floor space in tight mechanical rooms. Many models feature modulating burners that adjust heat output to match real-time demand, reducing fuel consumption and mechanical wear. Whether configured for natural gas or converted for propane, these boilers utilize optimized venting—often requiring only sidewall PVC or polypropylene—to simplify integration into modern building envelopes.
Choosing the Right Boilers for Your Space
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Fuel and Venting Requirements: Confirm your primary fuel source (natural gas or propane) and verify if your site requires a direct-vent (sealed combustion) or chimney-vent configuration to ensure code compliance.
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Load Calculation and Capacity: Size your unit based on a professional heat-loss calculation; matching BTU output to the total radiant or baseboard load prevents short-cycling and extends the system’s service life.
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Efficiency Ratings (AFUE): Prioritize high-AFUE condensing models to maximize fuel utilization and support eligibility for local utility or federal energy-efficiency rebates.
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Combi vs. Heat-Only Platforms: Select a tailored solution based on your hot water needs; combi boilers streamline mechanical systems by providing space heat and endless DHW from one cabinet.
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Advanced Control Integration: Look for units equipped with outdoor reset sensors and low-water cutoffs to optimize comfort levels while protecting the boiler's internal water circuit.
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