Massachusetts
Haverhill
Merrimack Valley work, Mass Save math.
Plumbing & HVAC in Massachusetts, Licensed on Both Sides of the Border
Licensed across the border: the Merrimack Valley and northeastern Massachusetts.
Licensed and insured in New Hampshire, Massachusetts, and Maine
Plumbing & HVAC in Massachusetts
Massachusetts keeps separate plumbing and contractor boards, and JP Karos holds the full set: master plumber, home improvement contractor, and corporate plumbing registrations. For Merrimack Valley homeowners and property managers, that means the same crew that handles your Salem NH property can legally and properly handle your Haverhill triplex.
- Essex County MA
- Middlesex County MA
- Suffolk County MA
Licensed & Insured
MA PL M-17020
MA HIC 207892
MA PL CORP-4668
Call (978) 857-6439for Massachusetts
Massachusetts license numbers as printed on the card.
Mass Save changes the math
Program rates verified July 2026. Eligibility confirmed before you sign.
Massachusetts is the strongest rebate territory in New England: up to $8,500 on qualifying whole-home heat pumps, income-based enhancements up to $16,000, and the 0% HEAT Loan up to $25,000 over 7 years. Whole-home rebates require an installer in the program's network, and JP Karos is a Mass Save Heat Pump Installer Network contractor. On MA estimates we show the potential rebate range beside the gross price so you can check every line.
Essex County MA · Middlesex County MA · Suffolk County MA
One call covers three states. Start with a number.
Plug in what you have. See the range, the rebate, and the monthly line. Then pick a morning that works.
- 21+
- Years in the trade
- 3
- States licensed
- 7
- Licenses held