A recent Google customer of Carl F. Riedell & Son, an Osterville heating, cooling and plumbing company, said Nick arrived promptly at their Dad's house and quickly told them everything that was wrong with the system and what they would need to do to go forward with repairs; within an hour after Nick's assessment, that customer said, the foreman, Rick, also followed up. The company's website says it was founded in Osterville in 1932 by Carl F. and Ethel Riedell, is now in its third generation, and offers plumbing, heating, air conditioning, electrical, water filtration and property management across Cape Cod and Nantucket.
Its Massachusetts hvac license, number 775-SM-B, held by Carl F. Riedell and Son Inc, is expired on the state registry.
A recent customer said the crew that came out to install their AC unit was thorough and polite, and that after the clean-up they "never knew they were here." A recent customer whose heat was out said the company scheduled them for the same day, even though they hadn't called in 6 years. A recent customer said Olivia, their furnace technician, has helped them keep an aging boiler in top shape, and came for their annual furnace maintenance. A recent customer said Riedell has taken care of all their plumbing needs for 40 years, including original and replacement HVAC systems.
A 2026 customer with no heat said Riedell sent a technician within 30 minutes, and when the very old furnace was not worth fixing, sent another rep out within an hour to go over new furnace options. A 2026 reviewer said they had used the company for toilet repairs, faucet replacement and new toilet installation, and for a whole-house project replacing all the toilet and under-sink water shut off valves. A 2025 customer said the team arrived early and found a spot in the basement to install the equipment that was out of the way yet easily accessible; that 2025 customer said the fellow who came to drill their granite countertop was a little late but drilled without dust. A 2022 r/CapeCod commenter said they hired the company for a new sink when they put in new countertops, and that it replaced some frozen ball valves in the basement on the spot. A 2000 eu.capecodtimes.com article quoted Carl S. Riedell of Carl F. Riedell and Son plumbing in Osterville saying he had found a lot of things jamming pipes in his 47 years of plumbing, but never a sock.
A 2025 three-star reviewer said three different service teams had worked on their air conditioner since July and the problem was still not resolved. That 2025 reviewer said the technicians were courteous and respectful, but that they would not recommend Riedell for HVAC work of any kind. A 2024 two-star reviewer said a 15-minute job, a simple hose connection to their furnace, was billed at $200 later in the week, and that they would not do business with the company again.
