CALL FOR SERVICE: (585) 271-8888



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Join the Growing Family at John Betlem Heating & Cooling, Inc.

A career in HVAC means a career that is constantly advancing and opens the door to amazing opportunities. John Betlem Heating & Cooling, Inc. is always looking for new talent to round out our incredible team, and we need energetic, driven people like you.




Our Benefits are Better Than the Industry Standard:

  • Dental, Vision, and Medical Benefits
  • 401k With Employer Contribution
  • State-of-the-Art Training Facility
  • Advancement Opportunities
  • Fun Family Atmosphere
  • Apprenticeships

Just starting out? We’ll train you.
Seasoned professional? We’ll help you advance.

State-of-the-art Training Facility

Techs at John Betlem have the opportunity to be trained from the start by seasoned professionals. Our on-site educational center provides both classroom and hands-on real-life training.

Clear Career Path

When you work with John Betlem, you don’t just get a job-you get a career. We want our employees to succeed and grow, from an apprenticeship all the way to a senior technician position.

Family Atmosphere

Good, old-fashioned family values are the way we’ve done business since 1941. We treat customers like family, and we are also committed to treating our employees that way – with mutual respect, team spirit, and support.




Our Mission

We are a premier family-owned solutions provider, passionately committed to the health, safety and comfort of everyone we serve.

Our Vision

Our vision is to achieve growth by delivering great customer and employee experiences.

Our Core Values

  1. Positive Attitude
  2. Integrity & Honesty
  3. Willingness
  4. 100% Customer Satisfaction

Ready to Join Our Growing Team? We Look Forward to Hearing from You!




Welcome to John Betlem Heating and Cooling, Inc.

We are pleased to announce that Lang Heating and Cooling has merged with John Betlem Heating and Cooling, Inc. and we are now conducting business together under the name John Betlem Heating and Cooling, Inc.

John Betlem Heating and Cooling, Inc. has been a family owned and operated business serving the Rochester area for over 75 years, and we proudly hold similar values and philosophy for doing business that you have come to expect with Lang Heating and Cooling.

If you are a Lang Heating and Cooling customer, we will honor all present Service Plans with the exception of oil, as well as all warranties on previously installed HVAC equipment from Lang Heating and Cooling. Though we will now operate as one company, you can rely on the same professional working relationship you have always enjoyed.

If you have any questions or concerns, please call us at 585-271-8888. For those of you in the 315 area, please be sure to include 585 to ensure we receive your call. We look forward to providing you with the excellence and quality you deserve!

Thank you,

Kathy Betlem, Vice President