About Us

Zion Mechanical is a Maine locally founded heating, air and refrigeration services company started by John Costello with the vision to provide quality HVAC-R services.

We are proud that after nearly a decade a large percentage of our business comes from quality residential and commercial referrals.  We thank the dedicated strong working state of Maine and our loyal customers for our continued success.

If you looking for a strong dedicated services company for your HVAC-R services needs, look no further Zion Mechanical can meet the demand.

Contact us today to schedule an appointment!