New Hampshire
Dover
Mill-city housing, modern comfort.
Plumbing & HVAC in New Hampshire, 21 Years in the Trade
Home turf: the seacoast, the Route 111 corridor, and the Lakes Region.
Licensed and insured in New Hampshire, Massachusetts, and Maine
Plumbing & HVAC in New Hampshire
JP Karos is a New Hampshire company: based in East Hampstead, moving the shop to the Portsmouth area, with a master plumber license, gas-fitting license, and business entity credential all held in-state. From no-heat calls in January to mini splits in a July heat wave, this is where the trucks live.
- Rockingham County NH
- Strafford County NH
- Hillsborough County NH
- Lakes Region NH
Licensed & Insured
NH PL M-2210287
NH GF2212147
NH-MBE2201473
Call (603) 362-3409for New Hampshire
New Hampshire license numbers as printed on the card.
New Hampshire rebates, told straight
Program rates verified July 2026. Eligibility confirmed before you sign.
NHSaves pays $250 per ton on qualifying heat pumps, capped near $1,250 for most homes. Enhanced rates of $2,000 per ton exist but only when replacing permanent electric-resistance heat. Income-qualified households may reach up to $8,000 through NH HEAR. We show these as a potential range on your estimate, never inflated, never assumed.
NHSaves enhanced rebates require pre-verification at NHSaves.com/GetVerified before install. We handle the walkthrough.
Rockingham County NH · Strafford County NH · Hillsborough County NH · Lakes Region NH
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