MSI HVAC | Contact Us

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MSI Fontana
MSI Escondido
MSI Laguna
MSI Las Vegas
MSI Palm Desert

MSI Escondid

MSI Branch Offices

MSI Escondido
2344 Meyers Avenue
Escondido, CA 92029
Phone (760) 233-2545
Fax (760) 233-2540

MSI Fontana
11700 Industry Ave.
Fontana, CA 92337
Phone (951) 360-7849
Fax (951) 360-0945

MSI Laguna Hills
23456 So. Pointe #B
Laguna Hills, CA 92653
Phone (949) 598-8333
Fax (949) 598-8334

MSI Las Vegas
3480 Birtcher Drive
Las Vegas, NV 89118
Phone (702) 795-4746
Fax (702) 795-7304

MSI Palm Desert
75220 Merle Dr.
Palm Desert, CA 92211
Phone (760) 341-7007
Fax (760) 341-4272

See more at the Locations page.

MSI Home Office

11700 Industry Avenue
Fontana, CA 92337
Phone (951) 360-0630
Fax (951) 685-2400

MSI Fax Numbers

General (951) 685-2400
Administration (951) 685-2400

Credit Dept. (951) 361-4980
Sales/Marketing (888) 402-5654

1 (888) MSI-HVAC [674-4822]

OUR FRIENDLY AND KNOWLEDGABLE STAFF is dedicated to serving our customers, dealers and individuals with any questions or concerns you may have. Our #1 priority is you. Feel free to call, fax or email us using the form below. We will promptly and thoroughly respond to your inquiry.

HOURS OF OPERATION.
Monday - Friday: 6:00AM - 5:00PM
Saturday: 7:00AM - 11:00AM
(see the Locations page for all Branch Offices hours)

AFTER HOURS PARTS DEPT.
Monday - Friday: 5:15PM - 9:00PM
Saturday - Sunday: 8:00AM - 4:00PM
(888) MSI-HVAC [674-4822]

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MSI Branch Offices

MSI Home Office

MSI Fax Numbers