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IAQ Calculator: Healthy Ventilation Made Easy

Are you looking for peace of mind that your indoor air is clean, but don’t have the time to do the research required? You can stop searching; GDI Ainsworth has made it easy for you!

If your facility is less than 50,000 square feet, you can answer just a few questions, and GDI Ainsworth’s Healthy Ventilation Planner can give you a budget with the promise that:
  • The air you breathe is treated with an eradication rate of 99.7% of influenza viruses.
  • Your HVAC equipment is maintained properly to extend its life beyond the industry standard.
  • Your indoor environment is monitored for airborne contaminants
Give it a try! It will only take you a minute!

Let us take care of your indoor environment, so you can take care of your business.​

A century of experience

A future of innovation

Scroll down memory lane
1926

GDI's Story Begins

Robertson Janitorial Ltd. began as a small, reliable cleaning service supporting Quebec City’s growing economic landscape. With a focus on consistency and care, the company steadily grew. 

1933

Ainsworth is Founded

Brothers F.C. and C.J. Ainsworth establish an electrical services company that grows into a technical services leader.  

2015

Two Leaders Join Forces

GDI acquires Ainsworth, bringing facility and technical services together in one North American organization.

2026

Celebrating 100 Years

GDI and Ainsworth are uniting under the name GDI Ainsworth: one company, one culture, and one vision for the future.

Thank you for being part of our journey.
Together, we're ready for the next 100 years.
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