True North Home Comfort
Indoor Air Quality
Whole-home air filtration, humidification, and ventilation systems. Breathe easier year-round.
What's Included
Everything you need, done right
Indoor air quality assessment
HEPA, UV, and fresh-air ventilation options matched to your home
Whole-home filtration, humidification, or ventilation install
System calibration and testing
Filter replacement schedule and maintenance plan
Plus, on every True North job
Upfront written pricing before work starts
Drop cloths down, work area cleaned, old equipment hauled away
Workmanship warranty on every install and repair
Licensed, insured technicians
Why True North
Done right
Whole-home solutions, not band-aids
HRV/ERV specialists for tight Maine homes
Reduce allergens, mold risk, and humidity issues
Serving Maine and surrounding communities
What to Expect
How we work
Indoor air quality assessment
Identify issues: allergens, humidity, ventilation
Recommend solutions tailored to your home
Professional installation of IAQ equipment
System testing and calibration
Maintenance schedule and filter recommendations
Common Questions
About Indoor Air Quality
Why is indoor air quality worse in Maine homes?
What is an HRV and do I need one?
Also From True North
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Maintenance Plans
Annual checkups, priority service, and repair discounts. Catch problems before they cost you.
We work all across Maine. Portland, South Portland, Scarborough, Biddeford, Saco, Kennebunk, Westbrook, Gorham, Windham, Cape Elizabeth, Falmouth, Yarmouth, Old Orchard Beach, Sanford, and 22 more cities and towns. View all service areas