What are the 5 main components of an HVAC system?

The core components are the thermostat, furnace or heat pump, evaporator coil, condenser coil, and ductwork.

What are the major parts of HVAC systems?

In addition to the main five, air handlers, compressors, expansion valves, and air filters are vital to system efficiency and comfort control.

What parts make up an air conditioning system?

An air conditioning system includes the evaporator coil, compressor, condenser coil, expansion valve, and blower fan.

How do I know if I need HVAC repair?

Watch for signs like inconsistent room temperatures, reduced airflow, unusual sounds, or rising energy costs.

Why is ductwork important in HVAC systems?

Ductwork is the delivery system for conditioned air. Leaks or blockages reduce efficiency and can lead to poor indoor air quality.

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(951) 837-4777

KJHEATINGANDAIR@GMAIL.COM

Gallery

Two KJS plumbing vehicles parked in front of a house, featuring blue and black graphics.

An outdoor air conditioning unit next to a yellow siding wall and a red brick chimney.

Gray air conditioning unit on a black pad, mounted on a concrete patio next to a stucco wall.

A crane lifting something, with a KJS truck parked nearby in front of a building on a sunny day.

Two blue KJ's Heating & Cooling vans in a parking lot under a clear sky.

Two HVAC vans parked on pavement near a house on a sunny day, with a man standing near them.

A crane lifting an HVAC unit near a residential building on a sunny day.

Truck towing a trailer with two large industrial generators on a sunny day.

Crane lifting an AC unit over a trailer in front of a house; sunny day.

Two gray HVAC units outside a building, on concrete pads. Black tubes connect to the units, green plants surround them.

HVAC control board with colored wires labeled Y, B, O, R, C, G connected to a terminal block.

Exterior air conditioning unit, gray, mounted on a concrete pad beside a building, with two fan openings.

Gray heat pump unit outdoors, near plants, set on concrete.

Gray air conditioning unit next to a smaller, round unit, surrounded by plants and a white wall.

Air conditioner unit outside against a white wall with landscaping.

AC unit outside a house, next to a person.

Two air conditioning units outside, surrounded by greenery and a person in the background.

Gray Goodman air conditioner unit on a concrete slab next to a wall, in sunlight.

Water heater and furnace in a utility closet. The water heater is left, furnace on the right.

Several air conditioning units outdoors, some disassembled.

A dark gray Goodman air conditioning unit on a concrete pad next to a beige wall.

Two Goodman air conditioning units under a beam, with electrical boxes.

HVAC technician with an air conditioning unit and pink refrigerant tank outdoors.

Rooftop HVAC unit, black, mounted on a metal frame, on a shingled roof under a blue sky.

Workers installing an HVAC unit on a roof. A crane lifts the unit as a worker directs. Palm trees in the background.

A man is kneeling down working on an air conditioner

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KJ's Heating and Air has been serving proudly the community since 1981 in installing, repairing and maintaining residential & commercial HVAC Systems.

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