Since 1934 Ruthrauff Service, LLC. mission has been to provide the highest level of customer service to our customers, employees and our business partners. We are committed to “Doing it right” the first time through innovation, technology and experience.



Ruthrauff Service, LLC, the leader in Heating, Air Conditioning & Ventilation service for over 83 years in the tri-state area. Our outstanding reputation is the result of our commitment and attentiveness to our customer’s needs and the ability to provide solutions that consistently exceed their expectations.

In today’s competitive market customers have the luxury of researching a service contractor, allowing them to make an educated choice. Ruthrauff Service uses this to its advantage by offering its customers three of the most important factors of a successful service relationship.


We are a company that takes pride in our work and our high number of satisfied, repeat customers are a testament to the quality of that work and our continued growth in the industry. We do it right the first time!


  • Quality Service since 1934
  • Affiliated with MSCA, MCA, BOMA, and Synergy Solution Group.
  • Western PA exclusive Liebert authorized factory service.
  • Authorized Honeywell, Johnson Controls, Carrier and Trane Automation specialist.
  • Privately owned since 1934.
  • Ownership and executive management have a local presence, so you can rest assured your needs will be met with the highest priority and commitment to quality and value.
  • Affiliated with Synergy Solutions Group, MSCA, MCAA, BOMA, IFMA, ASHRAE, US Green Building Council, AFCOM, West Penn Power Energy
  • Efficiency Network, APC Data Room Cooling, Liebert Precision Cooling,Western PA, Eastern OH and WV Liebert authorized factory service on data room cooling equipment.
  • Western PA, Eastern OH and WV APC/Schneider Electric authorized factory service on data room cooling equipment.
  • Authorized Honeywell Agent and Installer


  • Custom service agreements
  • Equipment replacement and retrofit
  • Building Automation Systems
  • Water Treatment
  • Indoor Air Quality Analysis
  • Air and Water Balancing
  • 24 Hour emergency service
  • Expert technicians with 20 years average experience
  • Clean Room Specialist
  • Design & Build Mechanical Systems
  • Asset Management
  • Infrared/Thermal Imaging for building systems and components

Ruthrauff Service is embracing the technology of today to continue to service our customers through the next millennium. When you are looking for the best service available at the fairest possible price, Ruthrauff Service is the solution.