Preventative HVAC Maintenance

Most people do not understand that proper maintenance on your HVAC system will help prolong its life. Routine HVAC maintenance is commonly neglected. However, preventative maintenance is a must. Most manufacturers require it to keep the system warranty. Preventative maintenance will help keep your system always functioning properly, ensuring it lasts for many years.

Service agreements include seasonal maintenance, one in the spring and another in the fall. If a problem is found the service technician will notify you and help you decide on the best course of action. They will provide expert advice and knowledge.

Spring Service

Below are just a few things included in our spring maintenance visit:

  • Wash the condenser with an alkaline wash to help expel all the dirt out of the coil
  • Rinse the evaporator coil
  • Check all wire connections
  • Check condenser fan amp draw
  • Check compressor amp draw
  • Check refrigerant charge
  • Check capacitors
  • Check blower motor amp draw
  • Check filters

Fall Service

During our fall maintenance visit, we will thoroughly check your heating system, including:

  • Calibrate your thermostat

  • Check operation of blower fans and motor

  • Inspect electrical parts

  • Check limit switch

  • Check pilot light

  • Check filters

Call ETRU for Expert Diagnostics & HVAC Repairs

When your HVAC system is not working properly, you need it fixed fast and fixed right the first time. ETRU provides quick and thorough HVAC repairs. We are available for 24 hour emergency service because we want you to be comfortable, no matter what the temperature is outside!

How do you know when you need an HVAC repair?

Call ETRU right away if you notice any of these problems:

  • HVAC system not heating or cooling
  • Inconsistent temperatures
  • Abnormal odors, or loud noises coming from equipment
  • Poor indoor air quality
  • Ductwork with cracks or leaks

What You Can Expect When You Call ETRU

ETRU technicians are trained HVAC experts, so when you trust your HVAC repairs to ETRU, you can expect:

  • A thorough and accurate diagnosis
  • No guesswork – no Band Aids
  • Quality parts – we keep our trucks stocked with the parts you need
  • Prompt, professional service
  • An effective HVAC solution
Contact Us

If you need an HVAC repair, call 618-942-2621 to schedule an appointment with a licensed and insured HVAC repair technician from ETRU.

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HVAC maintenance

Why Choose Us?

  • Integrity and Honesty is the foundation of our business
  • We do your job right the first time
  • 100% Satisfaction Guaranteed
  • 24hr Emergency Service
  • We are licensed and insured

  • Our technicians are certified and have over 75 years of combined experience