Call Long Energy for delivery of home heating oil, propane, diesel fuel and Kerosene. For the best heating and cooling service call 518-465-6647 High Quality Products For All Your Home Comfort Needs. Long Energy offers the best quality products to keep your home warm or cool, with installation or replacement of Oilheat equipment, gas heat equipment, and air conditioning. We carry only the finest in name brand product lines and products to meet your every comfort need. A Reputation For Excellence. Our commitment to quality goes beyond our products. All of us at Long Energy dedicate ourselves daily to your total comfort. Our expert technicians stand ready to serve our customers, and our customer service staff ensures your home comfort needs are attended to quickly, courteously and completely.