It is a generally accepted practice to have regular maintenance performed on items that we want to last.  This applies to vehicles as well as household items and it extends to commercially used items as well.

Because the components of heating and air conditioning are out of sight they are frequently forgotten. Businesses and residences both need to have the HVACR (heating, ventilation, air conditioning and refrigeration) equipment serviced on a regular basis.

Dirty Evaporator CoilIncreasing the usable life of equipment is just one of the benefits of maintaining items.  There is a monetary component as well in terms of downtime and repairs.  Maintained equipment tht utilizes energy typically operate more efficiently and have fewer breakdowns and repairs.

Lastly there is a health and safety concern with dirty filters/coils.  The air quality is compromised and in the right circumstances the clogged equipment may cause a fire hazard.

Please read and look at the abused HVACR (stands for heating, ventilation, air conditioning and refrigeration) systems below.

The picture below is a dirty and plugged evaporator coil.  Our technician moved the debris on the coil to show how dirty it is. This is the coil that has the “clean” inside air traveling thru it. What do you think the air quality was in this residence?

Below is a photo of a plugged condenser coil on a self contained freezer. The dirt and particulate has built up into a fuzz blanket that can actually be peeled off. It is not too different that the lint that one pulls out of the clothes drier lint trap. In this particular instance, the plugged condenser killed the compressor. This relatively new unit was turned into junk because it was not cared for.  The picture on the right is a similar coil  but cleaned.

plugged cond coil photo (77)-resized-600

plugged coil photo (78)-resized-600

 Next, a plugged air filter (below).  Again – would you want to be breathing that air? (Uh, not me…)

dirty filter-resized-600.bmp

A phrase I like really puts it in perspective.

Either you get a “good clean” air filter, or you and other people become the filter(s). Think about it instead of the filter cleaning the air the people breathing the air are filtering it in their respitory system.

The above situations easily consume double the energy and dollars consumed by clean equipment.

Recommended inspection and service schedule. 

These are suggestions the frequency depends on a few factors such as HVAC (Heating, Ventilation and AC) usage.  The frequency of maintenance should be on the high end or increased if the particulates in the indoor air are higher than normal concentrations.  Carpets (especially older carpets) and stuffed furniture are prevelant or if there is nearby construction (or indoor construction) or if there are animals in the space (the shop dog, a veterinarian office or pet groomer).

Small office building with heating and air conditioning, suggest inspect and Service 2 to 4 times a year.

Large office building with heating and air conditioning, suggest inspect and service 4 to 12 times a year.

Business with refrigeration equipment suggest inspect and service 3 to 4 times a year.

Residence  with heating and air conditioning suggest inspect 1 to 2 times a year.

The key is to maintain your HVACR equipment to maintain your health and safety as well as lengthing the life of the equipment and have the side effect of lower energy consumption.



If you need help with temperature, contact Cold Craft, Inc.

408.374.7292 or [email protected]

By Published On: September 24, 2014

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