# Energy Services Group

> 
> Last updated: 2026-08-18

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## Recent Content

- [Delaware HVAC Rebates 2026: How to Save on Energy Efficiency Upgrades](https://energysvc.com/delaware-hvac-rebates-2026-how-to-save-on-energy-efficiency-upgrades/): If you’re replacing your HVAC system, upgrading insulation, or planning weatherization work in Delaware, you may qualify for rebates that reduce your upfront costs. HVAC rebates are available through utility programs, but they often require complementary work such as air sealing and insulation to maximize energy savings. Accessing these programs correctly means understanding what qualifies, […]
- [Geothermal Heat Pump – The Magic Box](https://energysvc.com/geothermal-heat-pump-the-magic-box/): When we talk about heating efficiency, we talk about how much of the fuel we use ends up in the house. A standard oil or gas – natural gas or propane – heater has an annual efficiency of about 80%. This means that 80% of the heat produced as the fuel burns makes it into […]
- [Making Your Air Conditioner Condition Air](https://energysvc.com/making-your-air-conditioner-condition-air/): Are you replacing your old air conditioner? Installing air conditioning in your current home? Building a new home with air conditioning? There are several pitfalls you should know about that can reduce the efficiency of even the best units by half, resulting in warm, humid spots and in higher bills than necessary. The first problem […]
- [Insulation: The Rest of the Story](https://energysvc.com/insulation-the-rest-of-the-story/): We encourage and welcome new ways to create a product that will set each of our customers apart from each others. We constantly search for new products to meet the visions of our clients.
- [Replace Your Windows?](https://energysvc.com/replace-your-windows/): Windows are a very important part of our lives – they allow us to see what is going on in the world, they let in sunshine, and they light our houses so we don’t have to use electricity during the day. We need windows. But they are a mixed blessing. They have very low insulation […]


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