Air Conditioning

Nehemiah Mechanical provides the highest quality services, air conditioning systems and professional installations.


Nehemiah Mechanical provides the highest quality services, heating systems and professional installations.


Nehemiah Mechanical installs complete standby power systems and is factory authorized for repairs and maintenance

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The generator after being tested

Northern New York’s Source for Heating, Ventilation, Cooling, Refrigeration & Stand by Generator  Repair, Scheduled Maintenance, New Equipment Installations:No one takes care of Greater Adirondack & North Country’s HVAC/R Generator repair needs like Nehemiah Mechanical Systems. We offer NATE-certified Geothermal, Furnace, Air Conditioning &  Ventilation/ Healthy Air Technicians that professionally service ALL makes and models of HVAC equipment.   If it is your  Carrier, Lennox, Rheem, Trane, York and Climate Master that is not working, we can repair or replace it for you .


  • We specialize in Preventative Maintenance
  • We have over 25 years Mechanical experience
  • You can save money monthly with Energy Star
  • We offer prompt & courteous 24 hr service
  • Client Satisfaction is our Best Advertisement

We are dedicated to providing excellent technical support, professional service, high-quality equipment, prompt delivery and competitive pricing to home owners, contractors, engineers, architects and private industry.  Here at Nehemiah Mechanical Systems, we believe in giving you the best quality product with the best quality service. Whether you’re looking for a new furnace, repairs to that rattling AC, or ridding your air ducts of germs and debris, we’ve got you covered with cost-effective, energy-efficient solutions.