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Help us make it rightWe are one the oldest and most experienced mechanical, HVAC, sheetmetal, plumbing and piping... 1150 W San Carlos St, San Jose, CA 95126
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O.C. McDonald Company has been the Bay Area's most respected Mechanical Contractor for over a century, specializing in HVAC, plumbing, process piping, building services, direct digital control systems and building automation systems.
We service a wide range of industries including LEED Certified projects, data centers, high tech clean room construction, process tool...
O.C. McDonald Company has been the Bay Area's most respected Mechanical Contractor for over a century, specializing in HVAC, plumbing, process piping, building services, direct digital control systems and building automation systems.We service a wide range of industries including LEED Certified projects, data centers, high tech clean room construction, process tool installation/fit up, heavy...
I'm sorry folks but I had a great experience with O.C. McDonald Company. I called to O.C. McDonald Company to have a pipe valve replaced due to its major leakage from behind my refrigerator. The...
have used them for many years. on time and do excellent work. Used them for new air-conditioning units and water heaters.
I would highly recommend them.
I contacted OC McDonald for an estimate on a large project (first-time ac installation and heating repairs) but was told they don't provide free estimates. $115 minimum charge to come out.
OC McDonald came over to our house on July 25, 2019 to trouble shoot our air conditioning unit. I agreed to do a refill of the liquid coolant as I was hoping the technician actually found the leak...
I just have to say that O.C. McDonald saved the day this week during the heat wave. An AC unit went out in an office building that I manage in Los Altos and O.C. was able to make it out the next...
O C Mcdonald Co Inc was founded in 1906. O C Mcdonald Co Inc specializes in Mechanical Contractor.
Company History O. McDonald Company has been one of the Bay Area's leading plumbing, process piping and HVAC contractors and service providers for over a century, making it the oldest such company in the valley. Founded in 1906 in San Jose, California, O.
McDonald installed the first air conditioning system in the city. It was founded by Oren Charles McDonald in 1906 and is currently owned and...
O C McDonald Co Inc provides Engineers services in San Jose. Call them at 408-295-2182 for more details.
Tags
State Contractors License No 177271
O C Mc Donald Co Inc is located at Po Box 26560, SAN JOSE, CA..
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