FSi Oil Services - Login or Register

Welcome to the New FSi Oil Services Customer Portal!

If this is your first visit, please use the 'Register' tab to sign up for online access.

Register For Online Access

Already an existing FSi Oil Services customer and have not yet setup your online account?

Setup your account by entering:

Account Number
House Address or PO Box Number (just the number, not the street name) from your billing address.
Email Address

Become a Customer

Receive the most dependable and responsive home comfort services in our area

For more than 30 years, FSi Oil Services has been dedicated to keeping families in Western Massachusetts comfortable year-round. From reliable fuel delivery to expert heating and cooling services, our focus on quality and customer care has remained unwavering.

As a family-run business, we take pride in treating our customers like part of our extended family. Ready to join us? Please fill out the new customer form, and a friendly member of our local FSi team will reach out to you promptly. Experience the FSi difference today!.