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Repairing existing equipment is part of C & N Mechanical’s customer history: a March 2024 reviewer said Leonel fixed their air conditioner without pushing a replacement, and a July 2025 customer credited the company with avoiding the purchase of a new HVAC unit. The Glastonbury business says it has 36 years in business and specializes in custom-engineered, energy-efficient HVAC retrofits. It advertises 24/7 emergency service. In October 2023, a homeowner described a Bosch heat-pump installation, praising communication with both office and field staff and the system’s performance. A November 2022 customer said Anthony had serviced their boiler for several years, arrived on time and gave opinions they trusted about which work needed doing. Another May 2022 review praised Anthony for answering HVAC questions and cleaning dusty footprints from the carpet. One August 2025 reviewer warned of slow service, questioned the technicians’ competence and complained that getting help with problems took a long time. Those were the customer’s allegations. Google displays a 4.4-star average from seven ratings.
If you ever need service, do not hire this company. There is only one employee who has been there forever and is as slow as molasses, the service men don’t know what they are doing and if u have issues u will have to wait a very long time to get help. I urge everyone to stay away, this place is horrible!
Fast and Efficient! Saved the company from purchasing a new HVAC unit!
Mr Leonel was very knowledgeable and professional. He explained to us what he needed to do and repaired our air conditioner. He didn’t try to up sell us into purchasing a new unit, but when we need a new air conditioner, we will definitely call him. Thank you so much.
C&N recently installed a Bosch heat pump for me and I was happy with both their office and field teams. Easy communication and professional installation led to solid performing system. I will be looking to them when its time to replace my 40 year old cast iron boiler for hydronic heating and domestic hot water.
Anthony the technician for C&N has serviced our boiler for several years. He is always friendly, professional and on time. Anthony is also very honest and we trust his professional opinions on work that may or may not need to be done.
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1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from C & N Mechanical. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700
Water heater repair4.6
