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Establishing Close Relationships With Our Clients

Preventative HVAC Maintenance in Greenville, SC

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Annual Cost – $216 *Best Savings*
Bi-Annual – $120
Monthly – $22

Maintenance Visits: 2
Discount on Repairs: 20%

$69 Diagnostic fee 24/7
Saturday Service
Pleated Filters (2)
Priority Service
1 Year Labor on Parts
Annual Drain Cleaning

Your HVAC is a vital component of your home that controls the heating, ventilation, air conditioning, and refrigeration systems. If your HVAC system does not work properly, then you and your family lose the ability to do daily household tasks and rest comfortably in your home. Ensure your HVAC system is not on the brink of collapse with preventative HVAC maintenance from Long Heating & Air Conditioning, Inc.

At Long Heating & Air Conditioning, Inc., we are proud to provide you and your family with preventative HVAC servicing so you can have peace of mind that your home’s air systems will continue to work efficiently.

Our business was founded by professionals who strive to provide you with high-quality and reliable service in the Greenville, SC, area. We want you to rest assured that we are committed to you and your needs from the moment we step into your home to the moment we leave your property. Learn more about our personalized service through our about us page.

Read on to learn more about what our maintenance service entails.


  • Test carbon monoxide levels
  • Inspect heat exchanger
  • Thermostat operation
  • Lubricate all motors, bearings, fans and circulator pumps
  • Clean pilot assembly
  • Replace disposable filter with MERV 8 pleated filter
  • Test and adjust operation of safety & operating controls
  • Inspect flue pipe and gas valve
  • Check blower motor
  • Safety test and tighten all wiring and connections
  • Flush condensate drain to protect against overflow
  • Check temperature rise, fan speed, gas pressure
  • Visually inspect duct system
  • Check service light & humidity


  • Lubricate all moving parts
  • Record operating pressures and temperatures
  • Replace disposable air filter with MERV 8 pleated filter
  • Measure refrigerant superheat and sub cooling
  • Flush condensate drain to protect against overflow
  • Clean outdoor condenser coil
  • Wash outdoor condenser cabinet
  • Check blower motor
  • Test “temperature drop”, adjust blower speed
  • Safety test all controls for proper operation
  • Meter voltage, amperage, and bearings in all motors
  • Test condition of compressor contacts
  • Inspect, start, and run capacitor
  • Test and tighten wires and connections
  • Check service light, evaporator coil, and humidity
  • Megometer test the compressor

All services include informing the client of equipment condition and recommending repairs, if necessary

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  • “Excellent company! Hard to find pros that keep their word, priced fairly and do the work correctly, that's what Long Heating and Air does! Highly recommend!”

    — Jennifer P.

  • “All service companies reached out - Long was very knowledgeable and easy to work with. Set up an appointment and finished the service within two days of contacting. Great service and very helpful. Josh was a great technician.”

    — Patrick H.

  • "The technician was quick. We only needed the light bulb replaced in the air purification system. Longs was half the price for what was quoted previously with another company. We have been using Longs since our house was built ten years ago. Very happy with their service."

    — Patricia

  • "The technician was very professional and very thorough with our maintenance. He was friendly and polite. He explained everything very well to me. We have never had any issues with Long Heating and Air and would recommend them to friends and family."

    — Jon

  • "On the day they were to install a new A/C they were early!!! Then they went right to work, and a few hours later we had "cold" A/C downstairs!!! Working better than hoped for!!! I would recommend LONG HEATING AND AIR to all friends and family!!!"

    — George

  • "Long heating and air had always been a reliable source for providing resolutions for issues I wasn't able to fix. Their technicians are knowledgeable and professional. They don't try to sell you on unnecessary repairs. Show up on time and communicate with you about the problems. Highly recommend"

    — Gary

  • "The technician with Long Heating and Air Conditioning came to our house to work on an airflow problem. He was professional and did a great job explaining our options. We are very pleased with the work he did and plan to use Long in the future!"

    — Leslie

  • "Love the company! I had an appointment for a later date and they made a way to come see me earlier. Accommodating my family and I so we could beat this heat in the middle of summer. Thank you so much for your great service. My family and I was happy, cool and comfortable again."

    — Tiesha

  • "Technician called me before he arrived and was very friendly and informative! This was my first time using this company and I was extremely pleased with the service that I was given and I will not hesitate in the future to use long again well beyond my expectations!!! Great work!!!"

    — Brian