Regular HVAC preventative maintenance is the best way to ensure trouble-free operation and peak performance. Pre-season maintenance is also important. It can help to avoid a system failure in severe hot or cold weather when you need it most, and it can also keep your energy bill from getting out of control.
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What regular maintenance do heating and air conditioning systems need?
The most important part of HVAC maintenance aspect is maintaining unrestricted air flows. Dust, dirt, and debris are an HVAC system’s worst enemies. Whether it’s an indoor or outdoor unit, you must keep all filters clean and heat exchangers and coils free of restrictions.
Why do I need to change my filter regularly?
Regular filter replacement helps your heating and cooling system operate at peak levels and improves indoor air quality. It is important to change filters regularly to ensure proper air flow and to keep your home free from dust, allergens and germs.
How often should I replace my filters?
You should replace your disposable filters at least once a month. If you have washable filters, they should be cleaned once a month.
In addition to changing my filters, what maintenance should I do on my heater and/or air conditioner?
Most maintenance should be performed only by a qualified service technician. But here are some things that you can do to assure optimal performance:
• Keep ground mounted outdoor units clear of debris, clutter and weeds; they can reduce the airflow to the unit.
• Use caution with weed trimmers around the unit to prevent damaging control wiring.
• Keep pets away from the unit; pet urine can cause expensive damage.
How often should I have maintenance done on my air conditioner?
You should have maintenance done on your air conditioning system at least once a year – spring to early summer being the best times. This not only ensures maximum efficiency, it enables us to foresee any possible problems that may occur in the near future.
Is there anything I should check prior to calling for service?
Check to be sure that the air conditioner or furnace is turned on. Check that the breakers and the disconnects are turned on and be sure the thermostat is set correctly.
Is a system with more capacity always a better choice?
No. A larger heating system with more capacity delivers less comfort and costs more to operate. An air conditioner is at its least efficient when it is first turned on. A system with too much capacity will run in numerous short cycles, turning on and off repeatedly, therefore causing it to be less efficient. Also keep in mind that an air conditioner only removes humidity when it’s running, so a system with shorter run cycles doesn’t remove humidity from the air very well.
How is the efficiency of heating and cooling equipment measured?
When purchasing a furnace, heat pump or air conditioner, ALWAYS ask about its Efficiency Ratings. They will tell you will tell you how efficiently the unit uses fuel (gas, oil or electricity). The most-frequently used efficiency ratings are:
- SEER (Seasonal Energy Efficiency Ratio): This ratio tells you the amount of cooling your system will deliver per dollar spent on electricity The SEER rating of any unit can range anywhere from 13 to 17. The higher the SEER the more efficient the system will be and the less it will cost in the long run to own and operate.
- ENERGY STAR: An Environmental Protection Agency designation attached to HVAC products that meet or exceed guidelines for high-efficiency performance above the standard government minimums
What are the advantages of a programmable thermostat?
Because they are electronic, programmable thermostats are more accurate and efficient than thermostats that contain mercury. Plus, they allow you to automatically control the temperature in your home at different times of day without ever touching your thermostat.
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