Haverhill, MA Contractors: HVAC, Roofing, Plumbing & More

Haverhill sits on the Merrimack River on the New Hampshire border — about 67,300 residents across roughly 27,200 housing units, with median construction year in the early 1960s. The housing mix combines pre-war mill-era housing in the downtown core and Bradford with substantial post-war single-families in Riverside, Walnut Square, and the western neighborhoods, plus a meaningful condo stock in converted shoe-factory buildings downtown.

Most local HVAC work is shaped by that mix: replacing aging gas and oil boilers in the older downtown two-families and three-families, adding ductless mini-splits or central AC to mid-century single-families, and a growing share of full heat pump retrofits as Mass Save rebates have widened. Mill-conversion condos sometimes need creative refrigerant routing.

Haverhill is in National Grid electric territory, which makes homeowners eligible for the full Mass Save rebate program. As of recent rebate cycles, whole-home cold-climate heat pump installs have qualified for up to $8,500 ($2,650 per ton) back when paired with the required home energy assessment; partial heat pump and ductless mini-split systems typically come in around $2,500–$6,000. A free Mass Save Home Energy Assessment is the usual starting point. In Haverhill's mix of mid-century single-families and older mill-era housing, it consistently identifies attic insulation and air-sealing work — subsidized at 75%+ — that meaningfully changes how a heat pump performs on cold Merrimack Valley winter nights.

The City of Haverhill requires a building permit for HVAC system replacement through the Inspectional Services Department, with a separate electrical permit for any new heat pump circuits. Standard permits typically clear in a few business days. Properties in the Highlands Historic District and a few smaller local historic areas downtown need additional review for visible exterior changes — outdoor heat pump condensers facing the street usually need Historic Commission sign-off.

Building permits for work in Haverhill go through the Haverhill Building Department; see the Haverhill Building Department’s contact, portal and who pulls the permit on permits.llc.