Replacing Your Old Boiler After This Winter: When Is It Time? (Lexington, MA)

If your boiler barely made it through the winter, now is the time to consider a replacement before next heating season. Many older homes in Lexington, MA still rely on aging, inefficient boilers, which can lead to high heating bills, poor performance, and frequent repairs.

If your boiler is over 15 years old or struggling to keep your home warm, Lund Plumbing & Heating can help you upgrade to a modern, energy-efficient system that will save you money and improve comfort.

Considering a replacement? Schedule a boiler consultation today.

Serving Lexington & Surrounding Areas: Learn more about our Lexington boiler installation services.


1. Signs You Need a New Boiler in Lexington, MA

1.1 Your Boiler Is More Than 15 Years Old

  • Older boilers lose efficiency over time, leading to higher heating costs.
  • Repairs become more frequent and expensive.
  • Newer models offer higher efficiency and lower maintenance.

Fact: Many homes in Lexington’s historic districts still use boilers that are 20+ years old, which are costing homeowners hundreds more in heating bills each year.

Related: Learn why older homes in Winchester need plumbing upgrades.

1.2 Uneven Heating & Cold Spots

  • Some rooms are warmer than others, even with the thermostat set correctly.
  • You constantly need to adjust the heat to stay comfortable.
  • Radiators or baseboards take too long to heat up.

Tip: If your boiler canโ€™t distribute heat evenly, upgrading to a high-efficiency model can improve overall warmth and comfort.

Related: Learn how to prevent frozen pipes before winter.

1.3 Strange Noises & Frequent Repairs

  • Your boiler bangs, whines, or gurgles during operation.
  • Youโ€™ve needed repairs multiple times this season.
  • Repair costs are adding up to the price of a new unit.

Best Choice: If repair costs exceed 50% of the price of a new boiler, itโ€™s time to replace it.

Related: Learn why annual boiler service is essential for preventing costly breakdowns.


2. What Are the Benefits of a New Boiler?

Replacing your old boiler with a modern, energy-efficient unit comes with several benefits:

  • Lower heating bills โ€“ New boilers operate at 85-95% efficiency, compared to 60-75% for older units.
  • Better home comfort โ€“ Faster, more even heating throughout your home.
  • Smaller carbon footprint โ€“ Energy-efficient boilers reduce emissions and fuel consumption.
  • Less maintenance โ€“ New systems require fewer repairs and tune-ups.

Tip: Homeowners in Lexington, Bedford, and Arlington are switching to high-efficiency boilers to cut energy costs and improve winter heating.

Related: Learn how water filtration systems improve home plumbing.


3. What Are My Boiler Replacement Options?

3.1 Standard High-Efficiency Boilers

  • Best for homes with radiators or baseboard heating.
  • Energy-efficient and lower operating costs.
  • Compatible with existing hydronic heating systems.

Best For: Homeowners looking to replace an old boiler with a similar, more efficient model.

3.2 Combination Boilers (Combi Boilers)

  • Provides both heating & hot water in one system.
  • Space-saving tankless designโ€”no separate water heater needed.
  • Delivers endless hot water and high efficiency.

Best For: Homes in Lexington & Medford where space is limited and a tankless option makes sense.

Considering an upgrade? Schedule a boiler consultation today.


4. Do You Qualify for Boiler Rebates & Incentives?

Massachusetts offers rebates and incentives for homeowners upgrading to energy-efficient boilers.

Available Incentives:

  • Up to $3,500 in Mass Save rebates for high-efficiency boilers.
  • 0% interest HEAT Loan financing for qualifying homeowners.
  • Federal tax credits for Energy Star-certified heating systems.

Related: Learn how to qualify for Mass Save rebates.


5. When Is the Best Time to Replace a Boiler?

  • Spring & summer โ€“ Avoid emergency replacements in the middle of winter.
  • Before your current boiler breaks down โ€“ Donโ€™t wait until itโ€™s too late.
  • When rebates are available โ€“ Take advantage of incentives before they expire.

Tip: Donโ€™t wait for your boiler to fail during a Lexington winterโ€”schedule a replacement before heating season starts.

Related: Learn why homeowners in Woburn are switching to mini-splits.


6. Schedule Your Boiler Replacement in Lexington, MA

If your boiler is outdated, inefficient, or constantly breaking down, Lund Plumbing & Heating can help you upgrade to a modern, energy-efficient model.

Call (781) 944-2222 or schedule a consultation today.

Serving Lexington & Surrounding Areas: Learn more about our Lexington boiler installation services.

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