
BCI Blog
Insulation & Energy Guides for Massachusetts Homes: Page 4
Practical, honest advice from the BCI Group team in Westborough, MA: fix ice dams and drafts, compare insulation, understand Mass Save® and make your home cheaper to heat.
Articles · page 4 of 11

Air Changes per Hour (ACH50): What It Means for Your Home
What ACH50 means, how it is calculated from a blower door test, the Massachusetts code limit and typical results for old and new homes.

Old House Insulation: How to Insulate Plaster Walls and Antique Homes
How to insulate an old Massachusetts house with plaster walls: what to do first, dense-pack walls, attics, stone foundations, moisture and historic details.

Income-Eligible Mass Save® Programs: How to Get No-Cost Energy Upgrades
How income-eligible and moderate-income Mass Save® programs work in Massachusetts: who qualifies, what is covered at no cost and how to apply.

Condensation on Windows in Winter: Causes and Real Fixes
Why windows fog and drip inside Massachusetts homes in winter, when it signals a moisture problem and how ventilation and air sealing fix it.

Spray Foam on Basement Walls: Is It the Best Choice?
Why closed-cell spray foam is often the best insulation for basement walls in Massachusetts: moisture control, air sealing, code coverings and alternatives.

How Much Attic Insulation Do You Need in Massachusetts?
Recommended attic insulation levels for Massachusetts homes: R-49 to R-60, what that means in inches for cellulose and fiberglass, and how to check yours.

Do Heat Pumps Work in Massachusetts Winters? Cold-Climate Heat Pumps Explained
How cold-climate heat pumps perform in Massachusetts winters, capacity at low temperatures, backup heat and why insulation comes first.

Insulating Coastal Homes on the North Shore and South Coast
How wind, salt air and moisture affect insulation in coastal Massachusetts homes, from Lynn and Quincy to New Bedford and Fall River, and what works best.

Mass Save® for Landlords and Multi-Family Owners in Massachusetts
How Massachusetts landlords can use Mass Save® to insulate rental and multi-family buildings, cut tenant complaints and lower operating costs.
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