Our Company History

We’re proud to be celebrating over 70 years of success as a continued leader in the HVACR industry.  We are your dedicated partner for HVAC, Refrigeration, Control Systems and Facility Staffing throughout the tri-state region.

An American Success Story

1946

McCarl’s Plumbing & Heating Co. was Founded

McCarl’s Plumbing & Heating Co. was Founded

Founded in 1946 by Foster McCarl Jr., whom honorably served our country and created a small residential plumbing, heating and air conditioning company as a way to support his young family. His mission was always doing “what was right for the customer”, and he quickly led his company, McCarl’s Plumbing and Heating Co., from a one man operation to a period of tremendous growth.

1949

Hard Work & Dedication

Hard Work & Dedication

Foster was dedicated to see his business succeed.  He worked tirelessly in all aspects of the business to ensure the success of his newly founded company.  His wife, Muriel, would help during the slow times by selling model trains in the window of the shop to help “keep the lights on”.

1958

First Commercial Project

First Commercial Project

In 1958, Foster sold and completed his first commercial project, expanding the companies reach outside of the residential market, and beginning a long period of great growth for McCarl’s.

1973

Expanding the Footprint

An office was added in Altoona, PA to support the growing footprint of the company.

1976

New Name for McCarl’s Company

McCarl’s Heating & Plumbing Co. outgrew its name and was rechristened McCarl’s Inc.

1979

Second Generation McCarl’s

Second Generation McCarl’s

To ensure the continued involvement of family for the distant future, Foster transitioned the business into the hands of his 4 sons.
Kevin, our current president, was chosen by Foster to oversee the company’s Service operations.

1984

Service Division Launched

McCarl’s service division was launched in order to provide ongoing support to our customer base for the systems we installed.

List of Giants

Careers at McCarl's HVARC team

McCarl’s name is known coast to coast, as the company grew to one of the 20 largest mechanical contractors in the country, with 100s of employees, and a reputation for delivering some of the most technically complex projects.

1991

McCarl’s Services

McCarl’s Services

Our service division moved to Cranberry Twp, PA and reincorporated as McCarl’s Services Inc.

1993

Mechanical Contractors Assoc. of America

Mechanical Contractors Assoc. of America

Foster was sworn in as president of the Mechanical Contractors Association of America.

2000

Foster McCarl Jr. Philanthropy Award

To honor Foster McCarl’s lifetime of service, the Mechanical Contractors of America Foundation created the Foster McCarl Jr. Philanthropy Award to recognize the exceptional efforts of an individual, company or local association to raise funds in support of its mission.

Foster believed in always giving back to the community in which he made a living, and his belief carries on even after his passing in 2007 through his own charitable Foundation.

2008

Third Generation McCarl’s

Third Generation McCarl’s

McCarl’s Services Inc. transitioned into our 3rd generation of family management, ensuring Foster’s dream of family involvement will continue for many years to come.

2020

Leader in the Tri-State Area

Leader in the Tri-State Area

Today, McCarl’s serves many of the Tri-State areas largest companies for all of their HVACR needs. We focus on proactive maintenance, equipment replacement, energy projects, and turnkey design-build. Year after year we lead our industry with our technical capabilities and a focus on serving our customers.