Payments from the Green Living Grant Scheme will be ending soon.
The government programme provides up to £5,725 per property to help make them more energy efficient.
Anyone with an offer letter is being reminded all works must be completed, and claims submitted by the end of September.
The Department for Enterprise is warning any claim filed after this will not be paid, with the applicant having to cover the cost of improvements themselves.
Repairs on Peel Power Station to get underway
Manx Care doctor survey to be discussed by Tynwald
Weather warning for snow tonight
MHK queries safety at primary school in Ballabeg
Gales put two ferry sailings at risk tonight
Should the Island throw a birthday party for Barry Gibb?
Warning issued over icy roads
High ground could see 4 inches of snow on Saturday night