If you are going through the NJ Clean Energy Program, you have a few options for the 0% interest financing. If you are a New Jersey Natural Gas customer, you have to go through their financing, but it is still 0% for gas conversions. 

Divine Energy Solutions is a Luxaire Premium Dealer and there is financing available through Luxaire also.

Wells Fargo also offers financing for those who don't qualify for the above programs. Click on the link below to sign up.