About Us

Located in the heart of San Francisco, California and celebrating over 20 years in the business, Temper Insulation Co., Inc. offers many solutions for Insulating and Fire Stopping Mechanical and Plumbing Systems. Temper Insulation Co., Inc. is a Union Shop that currently employs through The Heat & Frost Insulators & Allied Workers Local 16, The Plumbers & Pipefitters Local 38, and The Construction Laborers Local 261.

We are a licensed, bonded, and insured mechanical and plumbing contractor currently holding the following certifications:

Under the San Francisco Redevelopment Agency:
- (MBE), Minority Business Enterprise
- (SBE), Small Business Enterprise

Under the Human Rights Commission:
- (LBE), Local Business Enterprise
- Micro Local Business

Under the California Department of Transportation Certification:
- (MBE), Minority Business Enterprise

Established in 1990, Temper Insulation Co., Inc. was founded by former Heat and Frost Estimator, Tom Chun. Through his experience as a well rounded and keen estimator, Tom had dreams of one day running his own business in the field. Starting out with just three employees and a small residential two car garage, Tom propelled Temper Insulation Co., Inc. into a successful small business that now currently supports a payroll of thirty and occupies its own 5,000 square foot space in San Francisco's ever so popular SOMA District.

Following industry trends and advancements, Temper Insulation Co., Inc. has seamlessly expanded into the Fire Stopping industry. Mechanical and Plumbing Insulation and Fire Stopping go hand in hand. By expanding our services, we now offer our clients the convenience of contracting both insulation and fire stopping projects under one umbrella.

Temper Insulation Co., Inc. is committed to providing unparalleled quality, performance, integrity, and honesty in dealing with our customers, our vendors and our employees without exception. Our team of experienced and qualified professionals will continue to develop relationships based on teamwork, trust, and value that result in safe successful construction projects.







Office Buildings


Warehouse Facilities



Hazmat Management

Flood and Fire

Thermal Insulation

Fire Stopping

Temper Insulation Co., Inc.
1213 Folsom Street
San Francisco, CA 94103
Office: (415) 255-7677

Copyright © 2016. All Rights Reserved.