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Typical your area range for this kind of work, from regional averages — not a quote from Christenson Plumbing & Heating LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Christenson Plumbing & Heating LLC holds NH plumber license 4822, active on the state registry, with Aaron C Christenson as the holder of record. The company describes itself as offering service and installation of the full range of plumbing, heating, air-conditioning, and drainwork. In a recent review, a customer says Ben Christenson recommended and ordered an electrically charged anode rod for their water heater, explained the components and installation needed, added an expansion tank and identified a failed release valve on the tank. That customer says they also sent someone onsite afterward to check up on a pressure setting. In another recent review, a customer says Ben and Aaron have serviced their heating needs and responded when their pipes burst due to the severe cold this past winter. In a 2025 review, a customer said Aaron and his team replaced an unsafe oil furnace with a new high efficiency ducted heat pump and a new heat pump water heater, and upgraded flex ducting to insulated rigid ducting. In that 2025 review, the customer said Aaron took air calculations, determined the 2nd floor return was not sufficient and ran new returns to the upstairs, and that their water heating energy dropped 5 fold. In a separate 2025 review, a customer said Aaron and his team diagnosed the issue quickly and undid the bad work of a previous company who botched the original job. In a 2025 review, a customer who called mid-afternoon for help with a sump pump said the response and arrival came within the hour of the call. In that 2025 review, the customer said the tech re-routed the pump plumbing and replaced the pump.
I contacted Christenson Plumbing to replace the anode rod in my water heater as routine maintenance. Ben Christenson was able to recommend and order an electrically charged anode rode that can extend the life of the water heater. Ben took the time to explain the components and installation needed. He also added an expansion tank and identified a failed release valve on the tank. All of which improved safety and longevity of the tank. I much appreciated the timeliness and quality of the work completed. They also sent someone onsite afterward to check up on a pressure setting afterwards. I high recommend this local business for plumbing for their service, pricing and quality of work.
Ben & Aaron have been extraordinarily good to us, both servicing our heating needs, and also responding to a crises when our pipes burst due to the severe cold this past winter.
Aaron and his team replaced my unsafe oil furnace with a new high efficiency ducted heat pump as well as a new heat pump water heater. They also upgraded my incorrect flex ducting to insulated rigid ducting. The new system is absolutely amazing and my water heating energy has dropped 5 fold. Aaron took proper air calculations and determined my 2nd floor return was not sufficient and ran new returns to the upstairs. These guys are super knowledgeable, professional and courteous to my family. I haven't met hvac personnel that actually know the science of what they are doing and putting in properly sized systems.
Aaron and his team performed absolutely outstanding service! From start to finish, this company exceeded all expectations. The team was punctual, professional, and incredibly knowledgeable. They diagnosed the issue quickly, explained everything clearly, and completed the work efficiently. Not only did they fix the problem, but they undid the bad work of a previous company who botched the original job. It's rare to find a company that combines skill, honesty, and great customer care—these guys nailed it. Highly recommend to anyone needing HVAC services. Thank you for the amazing work, and cannot wait to have you back again to service our furnace and AC yearly for tune ups!
Highly recommend. Called mid-afternoon for help with our sump pump. Wasn’t sure of the exact issue when I called in, but I knew we would be flooded within a few hours if it wasn’t fixed same day. The gentleman in the office said he would call me back to see if he had someone available to assist. Prompt response and arrival- within the hour of my call. Tech came well equipped for the job. Re-routed our pump plumbing and replaced it. The pump works more efficiently now. Thank you!
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1 change recorded — last scanned Sep 30, 2026.