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High Efficiency Gas Boilers
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$3,499.47 each
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ECO Tec Series 3 80-H 80,000 BTU Output High-Efficiency Residential Heat-Only Condensing Boiler (NG)
$3,326.53 each
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$12,558.19 each
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$4,666.03 each
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$53,669.41 each
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$3,168.96 each
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$9,052.36 each
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$5,488.59 each
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$6,586.29 each
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$5,246.63 each
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$9,438.90 each
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$4,052.27 each
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$47,814.34 each
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$69,259.43 each
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$4,300.09 each
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$16,557.26 each
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$35,985.94 each
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$6,842.03 each
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$43,662.08 each
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$7,077.07 each
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$6,745.15 each
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$5,078.60 each
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$2,937.00 each
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$4,113.00 each
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$5,611.15 each
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$6,963.85 each
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$13,729.91 each
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$27,473.98 each
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$26,746.82 each
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$35,985.94 each
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$5,995.75 each
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$6,338.91 each
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$4,818.57 each
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$6,187.39 each
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$22,487.23 each
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$11,675.25 each
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$53,669.41 each
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$6,130.17 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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