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.

- 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 UsWhy 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