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     COMMERCIAL SERVICE: York 717-846-8858
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For Heating, Cooling and Plumbing Troubleshooting, use these suggestions from HB McClure. In an emergency call 717-232-4328 for immediate HVAC service.

Heat Pump: No Heat

Check your breaker for a tripped breaker or blown circuit.

Heat Pump: Insufficient Heat

(Heat pump is running but air is not warm)
Check your air filter. A clogged filter will reduce system efficiency. Replace filter. Call 717-232-4328 to schedule service or preventive maintenance appointment.

Unit is covered in ice. Replace air filter. Call 717-232-4328 to schedule service or preventive maintenance appointment.

Check thermostat. If thermostat is set properly (make sure it is set to “Heat”) and the heat does not come on if you increase the temperature setting, you may have a thermostat malfunction. Call 717-232-4328 to schedule a formal diagnosis and repair.

Check room registers to ensure that they are open.

Central Air: No Air

Check your breaker for a tripped breaker or blown circuit.

Check thermostat to make sure it is set to cool. Set thermostat to below current temperature to turn unit on. If no results, call 717-232-4328 to schedule an emergency service appointment.

Check for power by moving the fan switch from “auto” to “on”. If the blower runs, there is power. If nothing happens, a control is burned out or power is disconnected. If the system uses a furnace for heat, check that the emergency switch is on. If you are familiar with the fuse or circuit breaker panel, check for blown fuses or tripped breakers. Correct the problem one time only. If it repeats, call for service.

If the unit is in the attic, there could be a float switch in the air handler or in the safety pan that will shut the condenser off if the drain is clogged. Water around the unit is evidence of trouble. Call for service.

Central Air: Inadequate Cooling

(System is running, but air is not cooling the house)
If your system squeals upon start up or rattles while running, check exterior fittings and then call 717-232-4328 to schedule a service appointment.

Gas Furnace Produces No Heat

Thermostat may be set too low. Make sure thermostat is in heat mode. Increase temperature to see if unit comes on. If not, thermostat may be broken. Call HB McClure to schedule a furnace repair appointment.

Circuit breaker or fuse may be tripped or blown. Check and reset.

Natural gas or propane control valve is closed.

Pilot light is out. Relight pilot light.

Gas Furnace Does Not Produce Enough Heat

Check air filter. If dirty, replace. Call HB McClure to schedule a preventive maintenance appointment to avoid future problems.

Burners may be dirty or need adjustment. Call HB McClure to schedule a service technician appointment.

Boiler Produces No Heat

Check the circuit breaker to see if a fuse is tripped or blown. Reset or replace as necessary.

Natural gas or propane control valve to boiler burner is closed.

Pilot light is out. Relight standing pilot.

Check that thermostat is in heat mode and has an appropriate temperature setting. If increasing the temperature does not initiate the unit to start, call 717-232-4328 to schedule an emergency no-heat appointment.

**These are suggestions from HB McClure only. HB McClure is not responsible for any equipment or personal damage that may occur as a result of these troubleshooting suggestions.

Contact HB McClure to schedule a Residential or Commercial estimate, service, or fuel delivery appointment.

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HB McClure is a leading HVAC Contractor for home and business in:

Mechanicsburg
Carlisle
Hershey
Harrisburg
Dillsburg
York

and surrounding areas!

$50 OFF 1st Preventive Maintenance or Service Call*

$50 Off 1st Preventive Maintenence or Service Call

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*For new customers on any residential service. Valid only within HB McClure’s standard service area. May not be combined with other offers. Offer expires 9/30/18.

$250 OFF Cooling or Heating System Installation*

$250 Off Cooling or Heating System Installation

*Restrictions apply. One per household. Prior purchases do not qualify. Valid only within HB McClure’s standard service area. May not be combined with other offers. Offer expires 9/30/18.