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bullet Commonly Reported HVAC Problems:


My heat pump is iced-up, mine blows cold air. My pilot goes out. Do you know what to do?You have problems? We have answers! Hannabery HVAC
Commonly Reported HVAC Problems:
[Copyright © 1996-2014. Hannabery HVAC. All rights reserved.]

Heat pump never shuts off,
runs all the time:


If you are experiencing this problem in the cooling mode during the summer, you should probably request a service call, assuming it's not like 105 degrees out!!! But make sure you check the obvious things first...
  • Is the outdoor unit running?
  • Is the thermostat set properly?
  • Are the breakers tripped or off?
  • Is the condensate pump plugged in?
  • Is the air filter clean?
  • Are all windows and doors closed?

This is mostly a winter-time heating complaint...

And just like the previous complaint of Heat pump blowing cold air, some new heat pump owners may think their unit runs all the time because they aren't used to the longer run times and lower temperature output of a heat pump. In extremely cold weather conditions, a properly working heat pump will run almost continuously. That is the way they are designed to work.

Now, if it isn't extremely cold out (above 35 degrees) and your heat pump just seems to run all the time, then this does indeed indicate a problem. And along with this usually comes a higher than normal electric bill, lower supply temperatures, and sometimes icing of the outdoor unit.

Below is a list of possible causes. Items in red usually require a service call. Items in blue however can be addressed, some even fixed by the homeowner.

Red = Professional fix | Blue = Homeowner fix
toolbox for heating and air conditioning service and repairs
  • Undersized equipment and/or ductwork
  • Low refrigerant charge
  • Refrigerant flow-related problem - restriction/bad metering device
  • Poor efficiency- needs cleaning and servicing
  • Bad reversing valve
  • Bad compressor valves
  • Compressor not running
  • Running in A/C mode
  • Outdoor unit iced-up because of a malfunction
  • Supplemental heat not working
  • Outdoor unit iced-up - weather related
  • Snow drift against outdoor unit
  • Outdoor unit not running - check breakers
  • Thermostat set too low
  • Cold return temperatures - examples: air handler in attic and the return trunk disconnected from unit, pulling in cold attic air. Unit in basement with a basement return and open windows.
  • Poorly insulated house, air leaks

The bottom causes in blue are commonly found problems and can be addressed by the homeowner. Try to check for these conditions first before calling for service.

Please keep in mind that the information found on our website is provided free of charge and Hannabery HVAC does not assume any liability resulting from the information we provide. We hope this information helps, but please note that these are just rough guidelines, and not all possible situations are covered. Your HVAC system should be inspected and repaired by a trained technician.

Commonly Reported HVAC Problems


How Comfortable Do You Want To Be?

Call us at 1-800-544-HEAT

[Must be in our service area]


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Our Credentials
BBB Accredited Business with A-plus rating, Allentown, Quakertown, Clarks Summit NATE-certified Service Technicians, Lehigh Valley, Lehigh County SuperPages SuperGuarantee Rheem equipment, Rheem dealer, Rheem installer, allentown, bethlehem, easton, pa Member of Associated Builders and Contractors (ABC) Eastern PA Chapter Trane Comfort Specialist Dealer Member - Greater Lehigh Valley Chamber of Commerce Angie's List 2012 Super Service Award Winner
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Main Office: 200 Schantz Road, Allentown, PA 18104

PA CONTRACTOR #8215

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Copyright © 1996-2014. Hannabery HVAC. All rights reserved.

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Hannabery HVAC has been proudly serving Eastern Pennsylvania homeowners and businesses for over 40 years. Our work areas include: