Nassau County: 516-665-1685

Suffolk County: 631-319-4239

customer reviews

Read what our customers are saying about us.

"You went above & beyond for us. We couldn’t have been any happier with the install. We received high quality work at a fair and reasonable price. This was our 2nd A/C from Elm. If we ever move again we would come straight to Elm without shopping."
-Mr. Michael Ellis, Garden City – February 2016


"I was most satisfied with the A/C installation and clean up. Your employees work very hard and are polite. Thank you for everything."
-Mr. Richard Corbett, Hempstead – March 2016


"As always we are very satisfied customers. We would not have a problem recommending you to our family & friends."
-Mr. Herbert Wuchte, North Bellmore – March 2016


"Your crew was very professional, polite and very careful in my home and property. I can’t thank you enough for doing such a great job. I have highly recommended your company to family and friends. Thank you again!!"
-Mr. J. Cromer, Hicksville – May 2016


"I was very impressed with all aspects of the job."
-Mr. Edward Carlson, Smithtown – January 2016


"We had a great experience. We have not used the system yet but expect everything will be fine. The staff has been very helpful and friendly."
-Mr. & Mrs. Glen Katz, Merrick – 2016


"You were recommended by my parents. Everything was done properly. All helpers were nice & worked hard. I recommended you to my co-workers."
-Mr. Bernard Del Bello, Oyster Bay – March 2016


"The crew was very patient and courteous with my many questions as well as walking me through how to maintain our new heat pump. The back office was equally wonderful with helping with the paperwork scheduling, financing and general questions."
-Susie Schwarz, Smithtown – April 2016


"Al was the best mechanic we’ve had in quite a while – he was neat, courteous & explained what he was doing as he went along. Plus, he was able to handle 2 large units with ease. Great job!"
-Mr. Richard Vaccaro, Garden City – March 2016


"From start to finish nothing but the best. Thank you for a great experience, education and product."
-Mr. M. Maringione, Smithtown – May 2016


"People told me to shop around for a good price, because this type of system could be expensive – I called Elm because I wanted the job done correctly! Needless to say – I did not shop around!"
-Mrs. C Lupo, Merrick – May 2016


"Efficient & done sooner than expected – 1 day! All went very well."
-Mr. A. Polis, Massapequa Park – May 2016


"Very nice with phone calls to the office, Scott, workers etc…I always refer people to your business. Thank you, very appreciated that you sent me the workers I asked for!"
-Mr. D. Duryea, West Babylon – May 2016


"All raves"
-Mr. & Mrs. Stephen & Jennifer Ely, Locust Valley - November 2015


"Your service in all respects could not be better. Thank you"
-Mr. Stuart Gamerov, Lawrence - October 2015


"I have been a customer of yours for over 25 years and you have always been there when I needed your service."
-Ms. Estelle Breckles, Deer Park – October 2015


"We have used Elm Air Conditioning for over twenty years because we were always satisfied with your work. We look forward to continually using Elm and recommend you to our friends."
-Mr. & Mrs. Joseph & Janet Albanese, Manhasset – October 2015


"Always satisfied with the office and field personnel. Very happy with all the work done. A good company."
-Mr. John Sharkey, Lido Beach – October 2015


"Excellent Job – workers were on time and very nice."
-Mr. Mitchell Klafter, Woodbury – September 2015


"Extremely punctual and neat."
-Ms. Cindy Tabi, Jericho – August 2015


"Thank you for your promptness and great service!"
-Mr. John MacDonald, Point Lookout – August 2015


"The workers that came to my house were very professional, courteous, and clean. They treated me and my house with respect and did a beautiful job. Thank you!"
-Mr. M. Capasso, North Bellmore – August 2015


"We have already recommended you to 4 other people. Work was actually completed ahead of schedule. Crew was great! Skilled, neat, pleasant and friendly."
-Mrs. A. Breen, Lynbrook – July 2015


"Elm Air Conditioning Corp was highly knowledgeable of the product, provided excellent advice during the exploration process and did an excellent and professional job during the installation phase. Thank you very much."
-Mrs. M. Wolf, Massapequa – July 2015


"All the service men were very professional and seemed genuinely concerned with our needs and providing the best service possible, without wasting our time or money. The office staff was very responsive as well."
-Mrs. Claudine McKinney, Port Washington – July 2015


"Thanks for all the attention to the problems that might have been an installation ‘nightmare’ it ended up being easier than I expected. Thanks for all the attention."
-Mrs. Arlene Baum, East Hills – June 2015


"I was going to write you concerning Kwan, John & Brian, your employees. They were a delight & are an asset to your business. Extremely courteous, informative & made me very comfortable with their knowledge & they worked very well together. The work & clean- up was everything they reassured me it would be. Great! My husband & myself were satisfied start to finish. You haven’t disappointed us in the 27 years we’ve done business with you! Thank You."
-Mr. & Mrs. Macmillan, Central Islip – June 2015


"As a senior citizen (of a certain age – 80+) I am concerned with workers in my home. I relay on you to send reliable people. They were both very polite, neat and efficient young men. I am most appreciative of your service to me since May 2000!"
-Mrs. Gloria Kelley, Hempstead – June 2015


"Great Job, Well Done, Thank you."
-Mr. Thomas Mulligan, Patchogue – June 2015


"I want to thank you for having my new unit installed this past Saturday. Your staff was fantastic – the crew was Quan, Brian and John. Courteous, Respectful of my home, Professional and knowledgeable. Being a new home owner they answered all my concerns and were a pleasure!"
-Ms. Joanne Carroll, Lido Beach – May 2015


"Thank you for being one of the few companies to respond promptly and set up appointments and installation. I only wish other companies did the same."
-Mrs. Cynthia Gray, East Rockaway – May 2015


"Great Work – thanks!"
-Mr. Michael Quilty, Rockville Centre – May 2015


"Workers were courteous, pleasant and responded to all of our questions."
-Mr. Bob Steinberg, East Meadow – April 2015


"We were extremely pleased by the care and consideration given while the men completed the installation. They were happy to answer any and all questions. They were diligent and neat throughout the process stopping to clean each area they were in. Our home was left as it was upon their arrival only much cooler! Thank you"
-Ms. Laura K., Floral Park-September 2014


"It’s not our first job with Elm, and won’t be the last!" Thank you!"
-Ms. Dominica Messina, Seaford – June 2014


"I chose Elm because of your good standing with the BBB. I was pleased with every aspect of my installation. I will be calling you for additional AC. Thank you."
-Ms. Ilene S., Roslyn Heights-June 2014


"The 3 men, Al, Brian and Quan, who worked on our AC units were professional in every way – knowledgeable, polite, quiet, clean and personable. We would definitely hire them again and recommend Elm Air Conditioning Corp. Thanks!"
-Mr. & Mrs. O'Keefe, Albertson-2014


"The guys were GREAT!! We are long standing customers of Elm. Almost 25 years. Thank you for ALWAYS being there when we need you."
-Mr. Richard F., Atlantic Beach-2014


"I just returned home from my day away and found my husband flipping out from excitement at how great the new heating system works. We honestly can't get over how warm it is in the house. Even in our extension (which never had a drop of heat working) the entire room is warm. The den (where you opened up the return and added another vent) is warmer than it's ever been in years. The entire house feels so warm. We've been living here 30 years and always had problems warming up the house. We were told by other companies that because of the extension we'll never get the house warm. Little did we know how wrong they were! We just thank you so much for your professionalism and expertise in this job. The 3 men who worked here were very nice, neat and knowledgeable as well. We are completely thrilled with our new warm and cozy house! We never knew how much joy one furnace could bring! LOL! THANK YOU SO MUCH!!!!
-Lorraine & Joe S., North Bellmore-2014


"I was immeasurably satisfied with all aspects of the work done."
-Ms. Karen M., Baldwin-2014



"We were extremely pleased with the job. The crew was courteous & worked efficiently. They were friendly and anxious to please us. The product is working well & we've already had inquiries from some neighbors who may be interested."
-Mr. James McG., Levittow-2014


"As always we are pleased with the job and the experienced and courteous people Elm has representing them. We are a repeat customer and remain loyal from generation to generation!"
-Mr. & Mrs. Jonathan T., Oyster Bay Cove-2014


"I have always been satisfied with the excellent job done by Elm A/C. They are on time and their installation work is always perfect. I will use Elm again for other A/C installation."
-Ms. Nina L., Bellmore-2014


"Workers should be commended for good work under hot conditions, difficult installation-very responsive to our requests."
-Mr. & Mrs. Declan & Lori M., Manhassett-2014


"Crew did a very nice job, professional, clean up very well. Job was also very well supervised."
-Mr. Russel S., Long Beach-2014


"Elm Air Conditioning Corp. staff has been a pleasure to work with. From Scott, during the sales process to Brian & Quan, the installers. As well as office staff. We would recommend Elm highly."
-Mr. Jack B., Westbury-2014


"I enjoyed having your employees do the work. Both showed expert workmanship & were dedicated to their job. They cleaned up as they worked both inside and outside. Was a pleasure doing business with Elm Air Conditioning Corp."
-Mr. Walter M., Lindenhurst-2014


"Scott was exceptional in assisting and making sure the job was completed to our satisfaction. We will recommend Elm to our family & friends."
-Ms. Sherry Goldberg, Oceanside-2014


"For several decades I have had the good fortune to have Elm as my air conditioning installation & service company. Barbara, Susan and the entire office & service staff have been so understanding, helpful and their expertise has benefitted me, health wise! When superstorm Sandy struck, you aided me by speaking up for me to a F.E.M.A. representative. I appreciate all that your company is!"
-Ms. Merri M., Lido Beach-2014


"A company is only as good as its employees. We were very impressed by the courtesy and professionalism shown by your guys. They are a great asset to you. Thank you for leaving the place like it was before you started the work (minus the dug up ground & the addition of the tubing). It's like the units were already there. Great job!"
-Mr. Jeff H., Syosset-2014


"We have been using Elm since 1972 so that in itself demonstrates our satisfaction."
-Ms. Mary G., Merrick-2013


"My wife and I were very happy with your expertise, the quality of the work performed, the treatment we were given as customers, and the overall value that we received."
-Mr. Stewart L., Plainview-2013

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