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...
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 the cold weather approaches, homeowners often start thinking about heating oil prices and why they seem to fluctuate so much. Whether you're a long-time customer or considering switching to heating oil, understanding what impacts pricing can help you budget effectively and save money on...
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 chill of winter approaches, ensuring that your furnace is in optimal working condition is essential for keeping your home warm and cozy. Regular furnace maintenance not only prevents breakdowns during the coldest months but also helps improve your system’s energy efficiency, saving you...
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...
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...
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...
As we head into the peak of summer, heatwaves are becoming more frequent and intense. These extreme weather events can cause significant discomfort and health risks if you're not adequately prepared. At D.E. Duffey, we understand the importance of keeping your home cool and comfortable...