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Cornerstone Services

Opening their doors in 2005, Cornerstone Services set out to provide superior service to their customers. Using that philosophy, they have grown their business and today, have a staff of over 25. Building on their years of knowledge, they have expanded their services to include commercial and geothermal systems. The constant improvement of industry practices and equipment give the technicians at Cornerstone Services the insight they need to replace or service your heat and air system.

Making their home in Norwood, New York, Cornerstone provides services to St. Lawrence and Franklin counties. Today’s heat and air systems are more efficient than ever and ensure quiet operation while delivering warm or cold air into your home or business. Cornerstone specializes in Trane HVAC systems, providing the best quality to their customers. 

Cornerstone's services include:

  • Residential and Commercial HVAC Installation
  • Routine HVAC Maintenance
  • Geothermal Systems

The professional team at Cornerstone Services offer installation of replacement systems and systems for new construction, as well as maintenance service of your heat and air system. The trained technicians can get a system back online or suggest options for replacement with a Trane system. Cornerstone Services and installs all makes and models of heat and air systems, as well as boilers, and geothermal systems.



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Norwood, New York 13668


24/7 Emergency Service