The Working Parts of Your HVAC System

We know that our HVAC system keeps us at comfortable temperatures in our homes. But it’s essential that you understand the working parts of your HVAC system. The HVAC system takes care of all heating, ventilation, and air conditioning, maintaining your temperature, regulating the humidity, and cleaning the air in your home. 

Knowing about all of the components that make it run helps you maintain the system properly, know when to call for service, and know what issues may be happening. A well-maintained HVAC system runs more effectively and efficiently. Here the best Sugar Land HVAC Experts explain all of the working parts of your HVAC system and what these parts do to keep you cool all summer.

Essential HVAC Parts

The Main HVAC Unit

The primary unit includes the air conditioner, heat pump, or furnace. This is where the magic happens, heating and cooling your home.

The Furnace

As a critical part of your HVAC system, it’s the largest and is usually found in Texas homes’ attics. It works to heat the air distributed through the house.

The Heat Exchanger

As a part of your furnace, it absorbs heat and warms the cool air when activated by your thermostat. Either gas burners or electric coils control it. Made of stainless steel and thermal-resistant alloy, it resists cracks and damage well. But issues can occur. 

Carbon monoxide could seep into your home if this heat exchanger encounters problems, causing illness and even death. This is why you should have carbon monoxide detectors in your home to detect the colorless and odorless substances. The furnace and all other parts of your HVAC system should be inspected twice a year and maintained throughout the year.

Blower Motor

When the heat exchanger warms the air to the right temperature, the blower motor provides power to the fan that sends air throughout your ductwork and out of the air registers throughout your home. The blower motor will stop spinning the fan after all warm air has been distributed.

The Condenser Coil / Compressor

Refrigerant is compressed and condensed from a warm gas into a cold liquid. Simultaneously, the fan blows air over the compressor, dispersing heat and cooling the refrigerant. Your HVAC system sends the liquid refrigerant through an aluminum or copper line or tube to the evaporator coil. 

Usually situated outside your home, it cools the house by sending heat into the outdoors. You must keep leaves, grass clippings, and dirt far from your condenser. Power down your outdoor unit each year and use a garden hose to rinse it.

The Evaporator Coil

Located inside your indoor air handler, it is the part of your HVAC system that takes the liquid refrigerant and evaporates it into a gas. Heat is then absorbed, lowering the temperature inside your home. The fan blows warm air from your home through return ducts and over the evaporator to cool it. 

It then distributed the cool air through the ductwork and into all of the rooms in your home. The refrigerant gas is sent back to the condenser coil to restart the cooling cycle. As warm air touches the evaporator coil, condensation forms lowering humidity levels and making indoor air feel cooler. 

Keep in mind that condensation on evaporator coils can lead to mold. Refrigerant link leaks can lead to ice build-up on the evaporator coil, even in the summer.

The Thermostat

Your thermostat has temperature sensors that tell the heater and air conditioner when to start and stop. The thermostat should be located in dry areas that are free of drafts. You may have more than one thermostat to control various zones in your home. 

Programmable thermostats can change temperatures automatically, coinciding with your routine, saving on energy costs. You can also operate the thermostat with an app on your phone and set your temperature before heading home.

The Refrigerant Lines

These lines carry refrigerant to the condensing unit as vaporized gas and back to the evaporator coil as a liquid. They are usually made of copper or aluminum.

The Duct System

This ductwork system sends warmed or cooled air into the different areas of your home. This is not something you usually see as it is positioned inside the walls and ceiling.

The Air Vents

These rectangular outlets are made of metal or wood and allow the air to come from the ductwork and into each room. Usually located near the ceiling, they direct air downward into the room and can be adjusted.

Maintaining These Essential HVAC Components

When these essential parts and HVAC systems are properly maintained, they work at peak efficiency, saving money in energy bills and repair costs. When an HVAC unit isn’t properly maintained, it often overworks itself. If you have a system under warranty, the manufacturer usually requires regular maintenance. Maintenance also adds years to the life of your HVAC system. Howell Services offers HVAC and plumbing maintenance plans to keep your systems running properly.

Howell HVAC Experts

These main parts of your HVAC system should be monitored and maintained throughout the year. Howell Services has a team of experts experienced in installing, maintaining, and repairing your HVAC system. We specialize in residential and commercial HVAC repair services and employ only the most qualified technicians in the Fort Bend County area. 

Howell Services also offers competitive pricing and a 100% satisfaction guarantee. We have advanced HVAC parts and accessories on hand. Call us at 281-232-5292 or make an appointment today!

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