Helping You Maintain Good Indoor Air Quality

Maintaining good indoor air quality is important for obvious reasons – it means the air in your home will be clean, fresh, and healthy which has a direct affect on the occupants of your home. ETRU Heating & Cooling can analyze the air quality of your home, make recommendations on how to improve it, and provide equipment to help you do so.

Air Quality Contaminants
  • Airborne dirt and dust
  • Pollens and various allergens
  • Stale air due to improper ventilation
  • Air & Furnace filters
  • Air purifiers
  • Humidifiers
  • Dehumidifiers
  • UV Air Cleaners
  • And more
Contact Us
For more information about indoor air quality or to have your home’s air tested, call ETRU HVAC at 618-942-2621 or contact us online.
Contact Us

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

Local Reviews

ETRU Heating, Cooling, and Insulation Rated 5.0 out of 5 stars based on 49 customer reviews