Sizing capacities of HVAC systems are measured in tons.
Sizing equipment for a house is based on the current insulation inside the walls and in the attic/crawl space, you do not want to oversize or undersize equipment because it will lead to humidity issues.
The efficiency rating of HVAC equipment is measured in a SEER rating. Entry level systems begin at 14 SEER and can go all the way up to 36 SEER Variable speed equipment
Increasing the life expectancy of your HVAC all begins with preventative maintenance. Cleaning the indoor and outdoor coils, replacing bad capacitors, cleaning the blower wheel to reduce motor amperes, and maintaining correct refrigerant pressures are some of the essential tasks in prolonging the life of your equipment.
A system with more capacity is not better, it will short cycle wearing down parts at a quick rate and it will lead to humidity issues inside the home.
A run cycle should typically last 15-20 minutes
A properly sized HVAC will run just enough to maintain optimal humidity levels and long enough to not short cycle.
Air coming out of the supply vents should be between 48-55 degrees.
HVAC systems are to be operated between 68-85 degree set points on the thermostat.
The advantages of a programmable thermostat is that you can program different temperatures for different times throughout the day without having to constantly change it on the thermostat yourself.
A typical 1" Pleated filter needs to be replaced every 30 days.
Air conditioner maintenance involves condenser coil cleaning, checking capacitor charge, checking the operation of compressor and fan motor, checking electrical connections to make sure they are all tight and not overamping.
HVAC maintenance is strongly recommended to be done Bi-annually, or twice a year.
Prior to calling for a service call you can check the breaker panel to see if there is still power going to your equipment.
New replacement system costs vary based on size of equipment, and efficiency ratings.
Multistage equipment draws less power therefore helping the climate and the environment.
Electronic air cleaners do a fantastic job of cleaning the air and lowering dust particles inside your home.
Closing registers is never a good idea because the equipment was sized for those registers to remain open and produce airflow. Closing registers will lead to not enough airflow and freezing coils
Humidifiers are used more in heating applications because of the low humidity during the winter season calls for more humidity inside the house. Also, gas furnaces and heat pumps dry the air out even more inside your home.
Knowing if your AC is big enough comes from it being able to cool down to at least 70 degrees and in a timely manner, also having periods of time between cycles where it does not run.
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