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  • The Duffey Difference
  • Heating & Cooling Installations
    • Benefits of New Heating Equipment
    • New Heating Equipment
      • Furnaces
      • Boilers
      • Steam Systems
      • Hot Water Heaters
      • Geothermal
    • Benefits of New Cooling Equipment
    • New Cooling Equipment
      • Central Air Conditioning
      • Ductless Mini Splits
      • Heat Pumps
  • Maintenance & Repair
    • Benefits of a Maintenance Plan
    • Maintenance Plan Options
    • Annual Tune-up
  • Heating Oil
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07 May Maximize Your AC Efficiency: Top Tips to Stay Cool and Lower Your Energy Bills

Posted at 10:43h in Efficiency Tips by kateduffeyAdmin 0 Comments
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As the summer heat rolls in, your air conditioning system is working overtime to keep your home comfortable. But if your cooling system isn’t running efficiently, it could be driving up your energy bills—and leaving parts of your home feeling less than refreshing. At D.E. Duffey...

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09 Apr Important Information for All Air Conditioning Equipment: Big Changes Are Coming in 2025

Posted at 16:10h in AC Update by kateduffeyAdmin 0 Comments
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If you're thinking about replacing or repairing your air conditioning system, it's important to be aware of a major industry update that could impact your decision. As of January 1, 2025, the EPA has mandated that all new air conditioning equipment must use R-454B refrigerant. This...

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28 Mar Thinking About a New AC System? Here’s Why Spring Is the Best Time to Upgrade Your Cooling Equipment

Posted at 11:57h in Cooling Equipment by kateduffeyAdmin 0 Comments
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As temperatures start to rise, spring is the perfect season to think ahead and upgrade your cooling system before summer heatwaves arrive. If your current air conditioner is outdated, noisy, or simply not performing the way it used to, it may be time to consider...

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13 Mar Get Ready for Warmer Weather: Schedule Your AC Tune-Up Today!

Posted at 10:33h in Cooling Equipment by kateduffeyAdmin 0 Comments
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As the days get longer and temperatures start to rise, now is the perfect time to ensure your air conditioning system is ready for the warm months ahead. A professional AC tune-up can improve efficiency, prevent unexpected breakdowns, and keep your home cool and comfortable...

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27 Aug Why Indoor Air Quality Matters as the Seasons Change: Essential Tips for a Healthier Home

Posted at 01:01h in Indoor Air by kateduffeyAdmin 0 Comments
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As the seasons change and we transition from the warm days of summer to the cooler months of fall, maintaining indoor air quality becomes increasingly important. During this time, many homeowners start to close their windows more frequently and rely heavily on their heating systems...

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30 Jul How to Improve Indoor Air Quality During the Summer

Posted at 13:56h in Indoor Air by kateduffeyAdmin 0 Comments
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As the summer heat sets in, many homeowners focus on keeping their homes cool and comfortable. However, another important aspect to consider is indoor air quality (IAQ). Poor IAQ can lead to health issues, especially for those with allergies or respiratory conditions. Here are some...

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