Heating Repair, Bowling Green, KY

Posted by on Feb 20, 2013 in Energy Savings, Gra-Tac Heating & Cooling | Comments Off on Heating Repair, Bowling Green, KY

Heating Repairs, Bowling Green, KY

Below are some of the most common heating system repairs we see in the Winter in South Central Kentucky.


1.)  Heat Pumps being low of refrigerant.  This causes the heat pump not to put out as much heat into the house, making it rely on the auxillary heat or emergency heat more.  Auxillary heat costs more to operate than a normally operating heat pump.  As you can see in the picture below, uneven frost lines are a common sign of low refrigerant charge.

Heat Pump Low of Refrigerant







Common location of a refrigerant leak is in the indoor coil, usually the streaks (as on this coil) will be present.  But an electronic leak detector is the most accurate way to pinpoint refrigerant leaks.  HVAC manufacturers have made many improvements to help reduce the number of refrigerant leaks.  New indoor coil designs include all aluminium construction, specially coated coils, and other manufacturing techniques.

HVAC Indoor Coil Leaks







2.)  Heat Pump defrost problems.  As you can see this heat pump has failed to go through the defrost cycle.  This unit would have kept building into a larger ice ball, if it hadn't been for some neighbors pointing out the need for service. Again this condition will make the auxillary heat run more frequently and cost the homeowner more money on their utility bills.

As part of the normal operation of a heat pump it will clear any and all ice from the outdoor coil – sometimes you might even notice steam coming out of the unit (fire departments have been called too often especially by new heat pump owners or at the start of a heating season).                        

Heat Pump not defrosting







It is not always the heat pump's fault that it isn't defrosting.  In this case the lack of gutters on this home allowed rain to run off on top of the heat pump as it is blowing freezing air out the top of the unit… not a good combination.  Again this costs the homeowner more money by using the auxillary heat more frequently.

On a smaller scale, during freezing rain, ice can form on the fan blade of a heat pump's outdoor unit.  Ice on the outdoor fan of a heat pump will cause it to be out of balance and if you don't hear it, your neighbors will.

Heat Pump Freezing Rain Problem







3.)  Dirty air filters, this is the easiest repair homeowners can make themselves.  Simply replace the filter when it is dirty.  Depending on your home (whether you have local construction, pets or not) and the size & type of the filter you have will determine the frequency of filter replacement or cleaning schedule.  Dirty filters lead to Dirty Indoor Coils (see next repair), higher utility costs, and worst of all shorter HVAC system life cycles.

 Dirty HVAC Air Filter







4.)  Dirty Indoor Coils.  Dirty filters usually lead to dirty indoor coils.  Dirty indoor coils lead to reduced airflow and causes higher utility bills, premature compressor & heat exchanger failures, as well as shorter HVAC system life cycles.

Dirty HVAC evaporator coil (indoor coil)







5.)  Busted Heat Exchangers in Gas Fired Equipment.  This can be one of the most dangerous situations in HVAC.  It is important to have annual maintenance and safety checks on all heating and cooling systems, but especially important for gas fired equipment.  Also if you have gas fired equipment a Carbon Monoxide Alarm or Monitor & Alarm should be required.  Even if you don't have gas fired equipment, you should have a Carbon Monoxide Alarm, if you have a connected garage or any other fuel burning appliance in the home (even if only temporary space heaters).  On HVAC furnaces, depending on the type of fuel the system burns, the local conditions of the burner, the type of metal the heat exchanger is manufactured from, and even HVAC load can vary the length of the life cycle of a heat exchanger.  Depending on the age of the furnace, whether you are the orginial purchaser, and the manufacturer of the furnace, heat exchangers have 10 year, 20 year, and even sometimes lifetime warranties.  (Warranties do not always cover installation / replacement costs, such as labor and other necessary parts to complete the repair.)

If you smell gas, smoke, or fumes – turn off all appliances, exit the home to safety, and call your emergency/fire service and gas company.

HVAC Busted Heat Exchanger







6.)  Compressor Failure in Heat Pumps.  Compressor failure will leave you with only emergency (or auxillary) heat, a more expensive heating source.  Depending on the age and condition of the system and what type of refrigerant the system uses, are the basic considerations of replacing a compressor or the entire HVAC system.  If the system is over 10 years old, uses an older refrigerant (such as R-22), or out of warranty; it usually makes sense to replace the entire HVAC system.  Depending on the age of the heat pump, whether you are the orginial purchaser, and the manufacturer of the heat pump, compressors have 5 year, 10 year, 12 year, and even sometimes lifetime warranties. (Warranties do not always cover installation / replacement costs, such as labor and other necessary parts to complete the repair, such as refrigerant.)      

Old HVAC Compressors







7.)  Thermostat and other small part failures.  The thermostat is like the key to your car, without it the system won't run.  This one is well past it's prime, newer digital thermostats are more accurate and most offer programming options to save you money all year long on your utility bills.  There are a host of other parts that commonly wear out from years of use, such as ignitors, motors, contactors, relays, ignition modules, safeties, fan controls, thermocouples, gas valves, reversing valves, expansion valves, and others.








8.)  Improperly Installed HVAC Systems.  A Heat Pump installed on 2x4s is not installed to code or even generaly accepted HVAC installation practices.  A Heat Pump outdoor coil must have room to drain and protection from accumulation of snow fall, if ice is allowed to form over the bottom of the coil, the refrigerant line in the coil can be crushed (causing a restriction or even a refrigerant leak).

HVAC System Improperly Installed







9.)  Broken, Improperly Installed, Uninsulated, and Dirty Ductwork.  These types of problems can cause reduced airflow, home pressure balance issues, indoor air quality problems (from dirty, stale air from crawspaces, to unfiltered air entering the home), and higher utility bills.  Duct Cleaning, Repair, and Replacement is necessary from time to time.  We recommend Steve @ Advanta Clean in South Central Kentucky at 270-782-8522 for all Ductwork Cleaning.

Ductwork BrokenDuctwork Improperly InstalledDuctwork Uninsulated







Ductwork UninsulatedDuctwork BrokenDirty Ductwork, needs cleaned







10.) Inefficient Heating and Cooling Equipment.  Not technically a repair, but HVAC technicians get called to many homes over the Winter where the complaint is high utility bills.  Sometimes it is a malfunctioning part, but a lot of the time it is just that newer more efficient heating and cooling equipment is needed.  There are great programs to save money on new heating and cooling systems available at our special programs page.

Inefficient Old Furnace







HVAC Heating Repairs can be handled by Bowling Green's Trane Comfort Specialist Dealer:


Gra-Tac Heating & Cooling
563 Lovers Lane
Bowling Green, KY  42103









Posted from Bowling Green, Kentucky, United States.

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