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HVAC Technician kneeling next to an outdoor condenser testing the equipments refrigerant pressure



"Air conditioners are complex mechanical systems that depend on a wide variety of conditions to work correctly. They are sized to meet a certain “load” on the house. They are designed to have certain amount of refrigerant, known as the “charge”. They are designed to have a certain amount of air flow across the coils. When any of these things changes, the system will have problems.

If you produce more heat indoors either from having more people or appliances or because of changes in the house, the air conditioning may not be able to keep up.

If the refrigerant charge on the system leaks out, it lowers the capacity of the system. You will simply get less cooling and system will not be able to keep up when the load gets high. Running your system when it is low on charge can cause major problems and damage to other components of the system as well. 

If airflow across the outdoor (condenser) coil is reduced, the ability to reject heat outdoors is reduced and the again the capacity of the system may go down, especially at higher outdoor temperatures.

In dry climates such as the Southwest United States, the same issues happen with regard to the indoor (evaporator) coil: higher airflow helps, lower airflow hurts. In humid climates, the situation is more complex. At higher airflows, there will be less dehumidification, leading to high indoor humidities. If the airflow gets too low, however, the evaporator coil may freeze. This makes performance worse and can damage the compressor until it fails - leaving you with an expensive  AC repair bill and no cooling!"​
References: Nagengast, B., 1999, 'Early Twentieth Century Air-Conditioning Engineering', ASHRAE Journal

Our Techs Are Not Paid a Commission! Honest AC Repair.

Is your system is not cooling as well as it used to, or not cooling at all? Is your heater blowing cold air all over your home? Give us a call and we will get you comfortable fast! We pride ourselves on quality workmanship and quality customer service. 

Our technicians are not paid a commission, there is no monetary incentive whatsoever for them to find something wrong with your unit. Meaning you will only be paying for repairs you actually need. 

You can have peace of mind knowing that our diagnosis is honest and accurate!  


"Another reason systems may appear not to be producing enough cold air is because of duct leakage. Duct leakage can sap 20 to 40% of the energy out of even a well-operating air conditioner, if the ducts pass outside the cooled space (this includes attics, crawlspaces and garages). Ducts outside need to be well insulated. Various products exist specifically for insulating ducts that can be installed by a keen home owner or a professional contractor.

You might be able to get an extra half ton of air conditioner capacity for free, if you seal your leaky ducts. If the ducts are accessible, handy consumers can seal ducts with mastic—that white sticky stuff you can paint on the ducts. Otherwise you would need a professional to seal the ducts."
References: Nagengast, B., 1999, 'Early Twentieth Century Air-Conditioning Engineering', ASHRAE Journal

Another option for homes with bad ductwork and an outdated system is the ductless air conditioner. We have found many homes all over the valley benefit from these systems and save money over rerouting ductwork and updating your air conditioner.  

HVAC Technician Looking In the Air Intake With A Flashlight During Maintenance To Make sure The Ducts Are Clean
HVAC Technician Looking In the Air Intake With A Flashlight During Maintenance To Make sure The Ducts Are Clean