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Roof Top Heating

Rooftop units and systems are unitary systems manufactured in various configurations providing single or multi-zone heating, cooling, and ventilation.

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Jet Air Co - Best Ventilation, Plumbing, Heating & Air Conditioning HVAC Contractor, furnace, Oil Boilers repair, Gas Boilers repair in Smithtown, Hauppauge, St. James Lake Ronkonkoma Commack, Northport, Long Island, New York

4.8

Based on 44 reviews

Gennifer Cantore

01:01 23 May 21

If I could give this company 10 stars I would!! I had a problem with my AC unit. Called their service number within... minutes I received a call back from Lauren. She was soo kind and professional. John was at my house shortly after our call to fix my unit. This co. Has a forever customer. If you are in need of an AC co. Look no further they are the best out there. Professional and honest which is hard for find these days!!! Thank you Jet Air co!!!read more

Maria Demopoulos

16:01 13 May 21

John came to my home and went above and beyond to help me with my condenser. He fixed it within minutes. He was very... professional and thorough. John also fixed my humidifier. Everything now is working properly and efficiently! Thank you to John and thank you to Lauren for being so kind on the phone.read more

Larisa Rafikova

17:27 20 Apr 21

Replaced A/C, heating pump, and water heater. Had chosen Jet Air Co Inc. after getting amount of quotes from others.... I’m not an easy customer, greatly appreciate that Jonathan patiently worked with me, trying to accommodate all my needs. Great prices and products, easy and professional services. Highly recommend. Will use them again.read more

Nicole Desantis

21:09 25 Mar 21

Had John and his workers installed a brand new HVAC system in my home. Absolute awful job. Paying thousands to have it... fixed by a PROFESSIONAL company. Air handler not installed correctly. Installation on the pipes need to be replaced, done incorrectly. System has failed handful of times in the first year. Sloppy cut outs in wood floor for vents. COMPLETE DISASTER. DO NOT RECOMMEND THIS COMPANY.read more

Mary Sauer

21:30 10 Mar 21

I had the Jet guys (Mark, James and Addie) at my home once again today. This time the piping to my boiler sprung a... leak. The first time they fixed burst heating pipes in my slab foundation. Again they were professional, courteous and prompt. As usual their work was outstanding. This is our second encounter and it is a pleasure working with them. Their pricing has been fair and reasonable. Jon thanks again for having such a great crew to work with.read more

Selina Hildebrandt

13:46 04 Mar 21

I have used Jet air a few times and highly recommended them. They are very professional and always on time. They say... 8:00 am they’re here at 7:55. Easy to do business with and are seriously not price gaugers. They don’t play games they tell you what needs to be fixed or what needs a reset. If you want to deal with an honest company Jet Air is for you!!read more

Ashley Hendriks

14:40 26 Feb 21

We have been using Jet Air Co for almost 4 years and on each occasion they have proven to be professional, reliable &... honest. Their customer service is unmatched, they truly make each customer a priority. If you are in need of HVAC services- look no further!read more

Gabrielle S

14:34 26 Feb 21

Jet Air Co is family owned and operated business that provides OUTSTANDING heating and air conditioning services. We... love supporting small businesses especially during (especially during these challenging economic times). The owner, Jon DiMaio and his team go above and beyond to ensure they provide the best service at a fair and competitive rate. We will continue to use and recommend this company to friends and family for all their heating and air conditioning needs as well, they are the best out there!read more

Katie Macchia

14:10 26 Feb 21

Our dreams of central air finally came true last summer when we found Jet Air! We are thrilled with our heating and... air conditioning service. The company is quick to respond and has wonderful customer service. The owner is wonderful, professional and knowledgeable in his field. His team of technicians are skilled. We highly recommend them to anyone interested!read more

Sandra Clarson

16:44 24 Feb 21

Woke up to a cold house (62 degrees), the boiler stopped working. I phoned the company, and they moved around some... appointments to accommodate me. The technician Kyle, arrived promptly, he was professional, courteous and he knew his boilers. He diagnosed it immediately, needed a new thermal coupling, he replaced it and we were back in business. The price was reasonable and fair. I would def recommend this company, Kyle was knowledgeable and professional hard to find good service people. Great job!read more

Illyana Fox

12:43 24 Feb 21

The job was left a mess when it was completed. The vents have moisture and ruined the ceilings within a year. Not a... professional job. Almost two years later and one of the vents is still not installed correctly. System works great but installation was a mess. He is unreliable about coming back to fix it when he says he will ***edited *** following this review the job was completed and looks like it should have when it was first finished. The final result looks great. My only wish was it didn’t take as long as it did.read more

Francisco Torres

22:52 19 Dec 20

Jet Air company was the best. John and his dad came to our rescue when our water heater broke down and was leaking. ... They were punctual, friendly and affordable, they had a pleasant attitude and gave us good advise about our heating system. We would recommend them to all friends and family.read more

Al Mathon

01:44 18 Nov 20

John and his men came and installed a Mini split unit in my garage so no matter the season I’ll always be comfortable... working in my garage. They arrived when they said they would did an amazing job with the installation and setup very neat work and will be using them for all my future needs and would recommend them to anyone I know. Thank you againread more

Alexia Yilmaz

17:39 14 Nov 20

Compared to other companies (and I just called at least 6 of them right before this one) they deserve 10 stars. I spoke... with Jonathan over the phone, on a Saturday, because I was having heating issues. In my situation he knew exactly what he was talking about, and was not only knowledgeable but compassionate. He didn't want me to go without heat over the weekend but also did not want me to pay overtime prices if he could help it. He literally spoke with me and helped me troubleshoot over the phone on a Saturday! Now that I know I can trust and rely on him, I know exactly who to call to service my heating/cooling system as a new homeowner.read more

Elizabeth Cadmus

17:15 25 Oct 20

Jet Air Co is a reliable, family owned and operated business providing excellent heating and air conditioning services.... Jon DiMaio and his team make every service call a priority, and work extra hard to make the inconvenience of having a daily need disrupted bearable, and fixed as quickly as possible. We have an annual contract for all our needs with Jet Air Co, and Jon DiMaio’s recommendation of installing a mini a/c & heating unit has made Makenzie Cadmus significantly more comfortable in our home. For all your heating and air conditioning needs, you can’t beat Jet Air Co!read more

Jack Burton

21:35 19 Oct 20

Jet-Air is great. They supplied and installed a new Ecobee thermostat, and also connected it to run our AprilAire steam... humidifier. They also rewired the humidifier for 220V operation. Never phased by our custom requests, Jet-Air is a first class operation.read more

LAUREN Jones

11:49 15 Oct 20

I know nothing about ac and heating and John was willing to come and teach me so much. I spoke to a few different... companies and his answers made most sense. Honest and trustworthy feeling from the beginning. The guys that did the install were professional and caring about the job and not just trying to get it done with. Truly enjoyed working with this company. The ac works great. Such a caring company. Won’t leave you hanging.read more

Maria del Carmen Garrido

21:31 31 Aug 20

I called Jet Air to repair my A/C and I'm so glad I did. What an outstanding company, excellent service, timely,... efficient and friendly. I appreciate John's commitment to excellence which resulted in selecting Jet Air as my preferred vendor for cooling and heating services. Raving reviews well deserved!read more

Kathryn Cantwell

21:30 01 Aug 20

Just had Jet Air replace my hot water heater and air conditioning unit. Great job. Efficient, neat, and punctual. Wish... they had carted away my old water heater as they stated "removal" of it but, luckily, my garbage men took it.read more

Joseph Caridi

00:42 19 Jun 20

Just had our central air replaced with John wonderful person to work with very honest and professional. Would... definitely do business with him again.read more

Doug P

21:37 21 Jul 19

Jet air came same day on a 100 degree day to fix our ac unit. They were prompt, efficient and reasonable on price. ... Definitely will use them in the future.read more

Julia Nagle

15:36 21 Jul 19

Jet Air came to my house today for an emergency call. I called this am (a Sunday) and was told someone would be here... between 10-11 am. By 10:15, someone was here. They diagnosed the problem ASAP, fixed it and was done before 11. I couldn’t be happier! I will def be using them again.read more

Doreen Nicotra

16:25 25 May 19

Just had Jet air co replace my hot water heater. Thank you so much Jon and helper for being timely, neat and very... efficient. Amazing job and very good price!! Would give 6 stars if I could. Highly recommended.read more

sandra dechent

22:00 16 Feb 19

Excellent Service! Jon is extremely knowledgable and customer focused. I highly recommend calling Jet Air before... anyone else! The level of service he gives is top notch!!read more

Shubh Thaker

15:43 15 Feb 19

JoAnn Patterson

21:25 08 Feb 19

On time, courteous, clean and respectful. Jet Air did a great job fixing my heating system. Give them a call, you... wont be disappointed!read more

Allyson Agosta

23:25 05 Feb 19

A very pleasant and pain free experience. In my opinion, Jet Air is a gem of a company. I highly recommend their... services. Thank you, Jon for the fast turnaround in the height of winter.read more

Christopher Brennan

02:53 09 Mar 17

JetAirCo did a spectacular job on my outdoor patio. Jon ran several lines and hooked up a custom gas firepit, outdoor... kitchen and dockside water. I higly recommend Jon and JetAirCo for your HVAC Needs!read more

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