i.e., A local favorite, or highly recommended because CNS replaced our old inefficient air conditioning system with a new high efficiency system. They gave me a professional proposal, emailed me links to all the equipment info/brochure and they were very helpful and patient in walking me through my options. I was also able to get a 600$ Con Edison rebate and they did the rebate application for me too. From start to finish they were very helpful and professional and the AC system works great! Highly recommended company, will use them again!

I was very impressed with Charlie's expertise. He blew away the competition with his design of our heating system and,in fact, came up with an idea no one else had and I had 4 other companies in here. They are very honest and completed every thing on time, delivered what was promised, needless to say we are very happy with CNS.

Great Company! I had a problem with my radiant floors that no one else could solve and CNS came in and fixed it for a very reasonable price. Excellent Customer Service! I was very happy with them and will continue to use them in the future. SW from Scarsdale, NY

We were referred to this company by a service that gives you the name of three contractors, as I wanted to be sure we were getting a reputable company with a good price. Upon calling this company I was greeted by someone who was both professional and friendly. They answered all of my questions in a very honest and upfront manner, which I appreciated! They provided a free estimate and the technician that came to my home was the most knowledgable person out of the three that I was given and for that matter just about anyone who has ever serviced my equipment. I choose them to install a new heating

As a local realtor we needed a tank test for as part of an engineering.This company provided a positive and timely response to the immediate need. They worked in the rain and explained the entire process to the potential buyer and the seller of the property. I recommend this company and crew to any who want a fair trade timely.

This is a company who prospects and advertises "free estimates" then sends a bill for the estimate. They will hang up the phone on you when you call to ask why they have sent a bill for the estimate they advertised and stated on the phone is free. Very rude and should not be allowed in the publics home.

This is a company who prospects and advertises "free estimates" then sends a bill for the estimate. They will hang up the phone on you when you call to ask why they have sent a bill for the estimate they advertised and stated on the phone is free. Very rude and should not be allowed in the publics home.