Choose The HVAC Financing Option That's Right For You! Tier -1 single-stage system financing options 6 months no payment no interest 60 months @ 6.99% APR Tier -2 two-stage system financing options 18 months no payment no interest 84 months @ 4.99% APR Tier -3 inverter variable capacity system financing options 24 months no payment no interest 84 months @ 2.99%APR