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Danisi Energy has been serving Suffolk County for over 50 years. From Great Neck to the Hampton’s Danisi is on the cutting edge of Heating, Air conditioning, & Geothermal Technology. We specialize in high efficiency heating and air conditioning systems with the highest degree of comfort along with the lowest possible operating costs. We are a “True” full service 24 hour a day, 7 day a week HVAC Company.

• Automatic & C.O.D Fuel Oil Delivery
• Heating (Gas, Oil, Electric)
• Air-conditioning
• Geothermal
• Solar
• Service Contracts

EnergyLoan Application

Click Here to Apply Online for an EnergyLoan

It's easy to get a fast approval for an EnergyLoan with our Online Application. Just tell us the loan amount you are interested in and the type of loan you are looking for. Then provide us with the information that will help us approve your loan request.

Apply Online

It's easy to get a fast approval with our secure online application. Our new application is available in the complete and short form for your convenience.

2009 $1,500 Tax Credit on New High Efficiency Heating, A/C, & Geothermal Systems!
Plus Over $1,800 in 2009 Rebates Available!

Danisi Energy PROUDLY Features The Following Manufacturers: