A Simple Winter Reminder from D.E. Duffey & Sons When snow hits Delaware County and the Main Line, most homeowners rush to clear the driveway and front steps. But there’s one important area that often gets overlooked: 👉 The pathway to your heating oil fill pipe. If you’re...
This winter has delivered more than just typical cold weather. During the 2026 heating season, meteorologists have tracked polar vortex activity pushing Arctic air farther south, resulting in prolonged cold snaps, winter storms, and increased demand on home heating systems throughout our region. For homeowners, polar...
A comfortable, energy-efficient home starts with a properly sized heating system. Many homeowners think “bigger is better,” but when it comes to furnaces and boilers, the wrong size can lead to uneven heating, wasted fuel, and higher utility bills. At D.E. Duffey & Sons, we...
If your air conditioner isn’t cooling like it used to, the issue might be refrigerant-related. But what is refrigerant—and why is it so essential to your comfort? What Is Refrigerant? Refrigerant is the chemical compound inside your air conditioning system that makes cooling possible. It absorbs heat...
If your air conditioning system isn’t keeping up—or you're facing rising repair bills—it may be time to evaluate your options. At D.E. Duffey & Sons, we make it easy. Our in-home consultations are straightforward, informative, and tailored to your home and budget. Here’s what to expect...
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...
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...
Because CO is invisible and odorless, symptoms of exposure are often the first indicator of a problem. Warning signs include: Headaches Dizziness Nausea Confusion Shortness of breath Fatigue If multiple people in your household experience these symptoms, especially in winter when heating systems are running, it’s...
As winter approaches, it’s essential to ensure your home heating system is ready to keep you comfortable and efficient. For many homeowners, choosing between an oil furnace and a gas furnace can be challenging. Both types of furnaces offer unique benefits, and the best choice...
As the summer heat begins to fade and cooler temperatures start to creep in, now is the perfect time to start thinking about your home’s heating system. Early fall is an ideal time to schedule a heating system tune-up, ensuring your system is in top...