Somerville chimney repair for dense triple-deckers, tight lots, and winter stacks that still need air math

Fireplaces and inserts in renovated condos and older wood frames

Direct-vent inserts need sidewall terminations checked for wasp caps and snow drift.

Pellet stoves in retrofits get vent slope photos so ash stays where it belongs.

Smoke smells that track upstairs often tie to open stairwell returns— we log it before upselling liners.

Gas pilots after pressure dips get voltage and manifold notes, not random module swaps.

Sweeps who text when they are circling for parking

Visit summaries spell NFPA cadence, separate watch versus repair, and include photo north arrows for busy landlords.