AC Repair Frequently Asked Questions

Every home is different. A heat load calculation should be completed to ensure proper sizing of the unit per square feet and heat load on the home.

Today, with the new refrigerant we recommend the “auto” position. “On” will drive up the humidity in your home which will not be comfortable for you.

Dirty filters or low refrigerant are the two most common reasons why your system has ice on it.

Breakers, filters and float switch are the most common fixes before calling a professional. Was there a recent power outage in the area? Batteries in the thermostat.

Today they are expected to last 10-15 years or more if they have been maintained well. If not maintained the life expectancy is much less. Also, depends on the region of the country it is in as well. Nature’s elements.

Yes, we highly recommend it because like a car, it’s best to keep it maintained and in good working order. Like a car the oil needs to be changed. So, does you AC system. Filters should be changed, motors oiled. Electrical system checked.

We usually do not recommend it. Putting brushes in the ducts, stirs up particles that will settle later. So, is it really getting clean? Plus, it can damage the under liner of the duct.

A comfortable level for the San Antonio area ranges from 45-55 percent.

It is the backup heating elements when the temperature outside is too low for the heat pump to operate effectively.

It’s better to leave it at a higher average temperature while you are gone. If you turn the system off, the system works harder when turned back on. It also takes the system a long time for the reach the desired temperature. Thus, putting more strain on the unit.

Yes, you have the option to leave open or closed room doors as long as there is some allowance at the bottom of the door for continued circulation of air.

We do not recommend closing vents because it will cause pressure issues within the system.

SEER is the Seasonal Energy Efficiency Ratio. This ratio is the performance based off the average temperature throughout summer.

Pleated are the most popular but we like to recommend the poly because they allow more airflow.

Our recommendation is to change filters monthly, or at least check them every month. If you have pets we highly recommend changing filters monthly. It is also a good idea to write the date on the filter, that way you will not forget and our AC repair technicians know if they should change them out on a service call.