Navigating the world of heating, ventilation, and air conditioning (HVAC) can feel overwhelming, especially when industry-specific jargon starts flying around. To help you feel more confident in understanding and maintaining your system, we’ve compiled a list of 12 essential HVAC terms every homeowner should know.
1. SEER (Seasonal Energy Efficiency Ratio)
SEER measures the cooling efficiency of an air conditioner or heat pump over a typical cooling season. A higher SEER rating means better energy efficiency, which can lead to lower energy bills.
2. AFUE (Annual Fuel Utilization Efficiency)
AFUE indicates how efficiently a furnace converts fuel into heat. For example, a furnace with a 90% AFUE rating uses 90% of the fuel to generate heat, while 10% is lost. Higher AFUE ratings mean better efficiency.
3. BTU (British Thermal Unit)
BTUs measure the amount of heat energy required to raise the temperature of one pound of water by one degree Fahrenheit. In HVAC, BTUs indicate the heating or cooling capacity of a system.
4. Heat Pump
A heat pump is a versatile system that can provide both heating and cooling by transferring heat between your home and the outside air, ground, or water. It’s an energy-efficient option for many homeowners.
5. Air Handler
An air handler is the indoor component of your HVAC system that circulates conditioned air throughout your home. It typically works with a heat pump or air conditioner.
6. Thermostat
This device controls your HVAC system’s temperature settings. Smart thermostats can learn your preferences, adjust settings automatically, and be controlled remotely via smartphone apps.
7. Ductwork
Ductwork is the network of metal or flexible tubes that distributes air from your HVAC system to different areas of your home. Properly sealed and insulated ducts are crucial for efficiency and comfort.
8. Zoning System
A zoning system divides your home into different areas or “zones” and allows for independent temperature control in each. This can improve comfort and reduce energy costs.
9. MERV (Minimum Efficiency Reporting Value)
MERV ratings indicate the effectiveness of an air filter at trapping particles. The higher the MERV rating, the more particles it can capture. However, higher-rated filters may restrict airflow if your system isn’t designed for them.
10. Refrigerant
Refrigerant is a chemical compound used in air conditioners and heat pumps to transfer heat. Modern systems use environmentally friendly refrigerants like R-410A.
11. HVAC Maintenance Plan
Routine maintenance is key to extending the lifespan of your system and maintaining efficiency. Many HVAC companies offer plans—like our Essential Plan—to help you stay on top of regular servicing.
12. Energy Recovery Ventilator (ERV)
An ERV transfers heat and moisture between incoming and outgoing air streams, improving ventilation and indoor air quality while conserving energy.
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At ILLY HVAC, we’re here to help you every step of the way. Whether you’re considering a new system or need advice on maintaining your current one, our team is always ready to assist. Contact us today to learn more!
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