People's Gas Energy Efficiency Program and North Shore Gas Energy Efficiency Program

Meet Michael Callahan

"My favorite aspect of the industry is problem-solving, particularly addressing our customers' concerns regarding their home, whether it's improving air quality or enhancing comfort. We take pride in delivering exceptional workmanship and ensuring the safety of every home we serve."


Michael Callahan is the President of Comfort 1st Insulation, a company he founded eight years ago.


Michael first learned about energy efficiency through a training program. That training opened a new world of possibilities and sparked a passion for energy efficiency, which he has been able to fuel by establishing Comfort 1st Insulation. He is passionate about addressing customers’ home-related energy efficiency challenges.


Learn how a career in energy efficiency helped Michael achieve his professional and personal goals.

The field of energy efficiency is growing faster than ever.
If you’re looking for a career change or new job,
Peoples Gas and North Shore Gas can help.

Explore new job opportunities

  • Join an industry where you make a difference for people and the environment.
  • Take advantage of a free career coach and energy efficiency training to help you find a job.
  • Engage with a purpose-built software platform comprised of 100+ nonprofit programs and employers to discover the right job for you.


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