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(19)
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 --%3E %3Csvg version='1.1' id='No-RB' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23CECECE' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
$133.89 each
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$4,404.90 each
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$6,453.00 each
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$3,691.00 each
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$6,745.15 each
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$5,675.51 each
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$6,806.72 each
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$13,729.91 each
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$53,669.41 each
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$11,675.25 each
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$8,943.95 each
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$6,816.41 each
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$3,602.00 each
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$23,182.19 each
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$6,130.17 each
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$17,858.99 each
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$6,842.03 each
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$3,625.30 each
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$4,801.92 each
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$4,968.71 each
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$61,114.18 each
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$16,035.54 each
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$12,086.58 each
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$12,477.00 each
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$3,650.40 each
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$5,056.07 each
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$4,052.27 each
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$9,253.82 each
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$12,297.79 each
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$5,488.59 each
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$2,731.70 each
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$4,666.03 each
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$8,358.16 each
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$3,167.20 each
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$5,948.51 each
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$27,473.98 each
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$5,611.15 each
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NTH-105 96,000 BTU Neotherm Residential High Efficiency, Wall Mount Heat Only Condensing Boiler (NG)
$8,692.80 each
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$5,675.51 each
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$7,740.57 each
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$9,993.78 each
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$22,487.23 each
CALL TO ORDER
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$53,669.41 each
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More About High Efficiency Gas Boilers
Maximize Heat, Minimize Waste.
High-efficiency gas boilers deliver reliable heat while keeping fuel costs in check. Condensing boilers squeeze every BTU from natural gas and propane, pushing AFUE ratings above 90% and cutting fuel costs and emissions without sacrificing performance.
Why Choose a High-Efficiency Gas Boiler
Unlike older boilers, condensing models feature a secondary heat exchanger that captures extra heat from flue gases. That boosts efficiency, reduces return-water temperatures, and cuts energy waste. Over time, savings on utility bills often exceed the investment in a high-efficiency boiler installation.
Natural Gas Boilers vs Propane Gas Boilers
Natural gas boilers offer lower per-BTU fuel costs where utility lines exist. Propane gas boilers bring flexibility for off-grid homes or areas without mains gas. Both fuel types support condensing technology, modulating burners, and outdoor reset controls to keep systems responsive and efficient.
Choosing the Right High-Efficiency Boiler
Installation & Maintenance Tips
High-efficiency gas boilers deliver reliable heat while keeping fuel costs in check. Condensing boilers squeeze every BTU from natural gas and propane, pushing AFUE ratings above 90% and cutting fuel costs and emissions without sacrificing performance.
Why Choose a High-Efficiency Gas Boiler
Unlike older boilers, condensing models feature a secondary heat exchanger that captures extra heat from flue gases. That boosts efficiency, reduces return-water temperatures, and cuts energy waste. Over time, savings on utility bills often exceed the investment in a high-efficiency boiler installation.
Natural Gas Boilers vs Propane Gas Boilers
Natural gas boilers offer lower per-BTU fuel costs where utility lines exist. Propane gas boilers bring flexibility for off-grid homes or areas without mains gas. Both fuel types support condensing technology, modulating burners, and outdoor reset controls to keep systems responsive and efficient.
Choosing the Right High-Efficiency Boiler
- Calculate heat load. Match BTU output to the home’s square footage and insulation levels.
- Aim for 95% AFUE or higher when possible.
- Check venting. Condensing boilers need PVC or stainless vent kits for low flue temperatures.
- Look for modulating burners and outdoor reset controls for peak efficiency.
Installation & Maintenance Tips
- Pump a condensate neutralizer to protect drains from acidic condensate.
- Schedule annual tune-ups: clean heat exchangers and check burner performance.
- Inspect vent pipe seals and PVC connections for leaks.
- Verify proper combustion air intake in tight, high-efficiency homes.
FAQs about High-Efficiency Gas Boilers
What is a condensing boiler?
A condensing boiler uses a secondary heat exchanger to extract extra heat from flue gases, boosting efficiency and lowering return-water temperatures.
How do I choose between natural gas and propane boilers?
Choose natural gas boilers for lower fuel costs where lines exist. Select propane gas boilers for flexibility in off-grid settings.
What does AFUE mean?
AFUE (Annual Fuel Utilization Efficiency) measures how efficiently a boiler converts fuel into heat over a year. Look for ratings above 90%.
Are there rebates for high-efficiency boiler installation?
Many utility companies and government programs offer rebates or tax credits for boilers with AFUE ratings of 90% or higher. Check local incentives.
How often should I service a high-efficiency boiler?
Annual maintenance is recommended: clean heat exchangers, inspect burners, and verify proper venting to maintain peak performance.
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