About Us

Gallagher Mechanical is a heating, cooling, and electrical contractor located in Pacific, MO.  Michael and Kim Gallagher started their business in December 2000 with one van.

Gallagher Mechanical now has five full-time employees, four vans, and two trucks operating on a daily basis.  It is a full service company available 24/7 and 365 days a year. 

We specialize in all aspects of heating and cooling and can also handle all your electrical needs.  From full system installations to routine maintenance and service work there is nothing we cannot handle. 

We serve the areas of Pacific, Eureka, Washington, Union, and all of the Franklin County as well as West St. Louis County and all surrounding areas. 

We are on call round-the-clock and have the latest diagnostic technology to meet your heating and cooling needs.  Our employees receive ongoing training in the field so we can be the experts when it comes to any types of heating and air conditioning as well as electrical projects.

We are a certified TRANE dealership and also install and service most major brands!!!!!!


We are located at 212 E. Union in Pacific MO

Our phone number is (636) 257-4328 

Our normal business hours are:

M-F  8:00-5:00

Contact Information

Gallagher Mechanical LLC
212 E. Union
Pacific MO 63069
(636) 257-4328

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