ETRU is a local, family owned company which has been providing Southern Illinois and Southeast Missouri with full service heating and cooling needs. Whether you need a repair or a new system, ETRU is the company to call. We pride ourselves in having integrity and being honest. We strive to do your job right the first time.

Midwest winters can be brutal and a failing heating system is a big deal. That’s why ETRU offers 24/7 emergency heating repair. We can also install a new system for you and help you choose the one that best fits your unique heating needs, whether it be heat pump or furnace, we will offer the best options for the right price. For more information or to request service call us today.

When your air conditioner fails, you can trust the professionals at ETRU to fix it right the first time. Our highly experienced technicians will diagnose your system and provide you with fast, effective repair. We also offer maintenance plans to prevent failures, new system installation, and options that provide the best warranty and efficiency on the market.

Maintaining good indoor air quality through use of ventilation, filters and/or electronic air cleaners is important to keeping your home healthy, fresh, clean, and free of dust and allergens. At ETRU, we can do a full indoor air quality analysis and make recommendations for how you can improve your indoor air quality and quality of life.

We at ETRU believe insulation and proper airflow is key in producing efficiency and comfort in your home or place of business. We have a mobile trailer that we bring to location where we are capable of spraying either open cell or closed cell foam to produce your desired results. We offer blow in insulation as well as Batt insulation. Call us today to go over the options that will best suit you.

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

Contact Us
For all your HVAC and indoor air quality needs, contact ETRU. Servicing Southern Illinois and Southeast Missouri. Call 573-979-3364 or contact us online.
Contact Us