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Schedule an Appointment

Schedule an Appointment

  • * Appointment dates and times are subject to availability.

Gas/Oil Boiler Not Heating

  • Check the settings on your thermostat. Make sure the temperature control selector is set above the current room temperature, and the system switch is on the HEAT or AUTO position.
  • Try to get the boiler to turn on by raising the thermostat to its highest temperature setting.
  • Check the power disconnect switch by the boiler.
  • Check the fuse/breaker at the electrical panel for the boiler.
  • Check to make sure you have fuel oil or check to make sure the gas control valve to the boiler is open.
  • Check the pilot light. (Electronic ignitions will not have a pilot light).
  • If the problem persists, please call us.

Need Emergency 24/7 Service?

Call CSI Mechanical for the best heating and air conditioning solutions. Our team of specialists is ready to provide outstanding customer service.

Need a service, installation or repair quote?

Replacing your HVAC system could save you money and increase your comfort. Learn more about what to look for when it’s time to replace your system.