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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
    • Benefits of Heating Oil
    • Heating Oil Delivery
    • Pricing Programs
    • Payment Options
  • Oil Tanks
  • Blog
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  • Contact Us

04 Sep Getting Ready to Turn on the Heat? Your Fall Heating Checklist

Posted at 11:28h in checklist by Rose Hebeler 0 Comments
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September brings cooler mornings and shorter days, which means it won't be long before Pennsylvania homeowners turn on the heat for the first time in months. Before you adjust the thermostat, a little preparation can help your heating system operate efficiently and reduce the chance of...

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12 Aug Fall Is Coming: Your End-of-Summer Home Comfort Checklist

Posted at 16:21h in Fall Tips by kateduffeyAdmin 0 Comments
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The hottest days of summer may not be completely behind us, but August is a good time to start thinking about the season ahead. After months of running your air conditioner, dealing with humidity, and keeping your home comfortable through the summer heat, your HVAC...

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03 Nov The Value of a Good Review: Why Customer Feedback Matters to D.E. Duffey & Sons

Posted at 16:26h in Uncategorized by kateduffeyAdmin 0 Comments
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When it comes to keeping your home comfortable, customers want more than just quality equipment or competitive pricing — they want dependable people who truly care. That’s why customer reviews are so important. They help homeowners across the Greater Philadelphia area discover why D.E. Duffey...

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29 Sep Smart Ways to Save Energy During Fall’s Up-and-Down Temperatures

Posted at 17:26h in Fall Tips by kateduffeyAdmin 0 Comments
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Fall in Pennsylvania can be unpredictable — one week feels like summer, the next week you’re waking up to chilly mornings. These temperature swings make it tough to know when to turn on the heat, open the windows, or do a little of both. The...

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27 Aug Labor Day Comfort: Relax While We Keep Your Home Running Smoothly

Posted at 14:39h in Labor Day by kateduffeyAdmin 0 Comments
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Labor Day is a time to pause, enjoy the company of family and friends, and celebrate the rewards of hard work. For many of us, it’s also the last long weekend of summer—a chance to fire up the grill, spend time outdoors, or simply relax...

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