The Air Journal · Happy Homes blog
A little knowledge.
A better home.
Practical, source-linked guidance for Massachusetts homeowners—without alarmism, mystery or one-number answers.
Measurements, explained · 5 min
What can an indoor air quality monitor really tell you?
A home air monitor can reveal useful patterns, but it cannot identify every pollutant or diagnose the source.
Read the storyMassachusetts seasons · 5 min
The best indoor humidity for a Massachusetts home, by season
Massachusetts homes move from dry heating weather to humid summers. The useful target is simple; the right response changes with the season and room.
Read the storyWinter humidity, explained · 6 min
Bypass, fan-powered or steam: choosing a whole-home humidifier
The right system depends on measured dryness, your ducted equipment, cold surfaces, controls and the maintenance you are prepared to do.
Read the storyMassachusetts homeowners · 5 min
Mass Save assessment vs. indoor air quality assessment
Use Mass Save for energy opportunities and incentives. Use a dedicated air assessment for measured air, moisture and room-to-room questions.
Read the storyDucts, explained · 4 min
Duct cleaning or duct sealing: which problem are you solving?
Two different jobs. Start by understanding what was actually found.
Read the storyKnow your home · 4 min
Air sealing and duct sealing work on different parts of your home.
One addresses the house. The other addresses the air-distribution system.
Read the storyFiltration, made simple · 4 min
The best filter is the one your home can actually use.
Filter efficiency matters. So do fit, airflow, runtime and maintenance.
Read the storySeasonal preparedness · 3 min
Prepare one room before wildfire smoke arrives.
Choose a room, plan its filtration and know when to leave.
Read the storyKeep it handy
The Home Air Field Guide
A practical checklist for the rooms, filters and everyday habits inside your home.