Welcome to P.R. Douglas Co., Inc.

and Formal Oil Co., Inc.


We are a fully licensed and Insured for all Oil and Gas equipment service and installation.

 Service Area:
We service all of Greater Boston!














Air Conditioning Installs. 

Click all images to enlarge for more detail.

This is an air conditioning setup for controlling 2 floor levels of a house.  These are Arcoaire™ air-conditioners which supply an efficient way to cool your house in the hot summer heat.

Bryant condensing units are very popular.  These units are our most common install.  They offer very efficient units to save you money during the hot, humid

summer months.