San Francisco Bay Area Commercial HVAC

San Carlos, CA — CA Lic.# 853653



Est. 1999

In Silicon Valley

MJM is a full service, commercial HVAC contractor specializing in every aspect of your HVAC system.

We partner with our clients

and offer innovative approaches to improving service, quality and costs. We pride ourselves in excellent customer service and building personal relations with our customers.

Known for quality workmanship,

timely project completion, and reliability, our goal is providing budget conscious solutions for Bay Area companies.

Our goal is reducing energy

consumption and operational costs through intelligent heating, ventilation and air conditioning solutions. for our customers.

Professionally staffed

by a group of union trained technicians. Many of them have more than 20 years experience in the HVAC industry.

Mark Hargadon, Founder, has over 28 years experience

as a Journeyman technician in the Plumbers Union. MJM's stellar professional reputation continues to grow through client references from prominent Bar Area companies.

•  Plumbers, Steamfitters & Refrigeration Fitters — Locals 393, 467, 38, 342 and 343

•  Member of MCAA

Affiliations  & Memberships