Harvard's COGfx study found workers in better-ventilated buildings scored up to 101% higher on cognitive tests.

Long-term indoor PM2.5 exposure is associated with increased cardiovascular risk.

A 2024 Harvard study found that improving indoor air quality measurably changed participants' gut microbiome.

A landmark SWAN cohort study of 1365 women found air pollution associated with lower estradiol.

Harvard's Healthy Buildings Program research connects indoor air quality to mental health outcomes.

What you get either way

The price you approve is the price you pay

You see the number before anyone starts. It does not move on the day, and anything extra is approved in writing before it happens.
The person in your home works for us

Our own technicians, on our own payroll. If something needs putting right, there is no subcontractor to chase.
Request service online any time

Request service online any time and we’ll contact you with the next available time.
Your details stay with us

We do not sell them, we do not share them, and we do not add you to a generic mailing list.

Start where you are

No pressure. Just a clearer view of your home.