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NS HVAC Heating & Air Conditioning For fair and honest heating and air conditioning service, repair, installation and sales, look no further than NS Heating and Cooling. With over 20 years in the business, we know how to provide our client with great deals and better service. We're upfront and honest with our pricing and will help you with any HVAC needs. We have wholesale prices on new unit install starts $2499. Contact us today!
Business details
  • Year established: 2001
Services
Commercial
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As a commercial HVAC service provider, NS offers a variety of HVAC installation, maintenance, repair and replacement services. With four decades of experience and 100% customer satisfaction, we have worked for many government and non-government companies.
Residential
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NS professionally trained and qualified staffs are able to service any types or brands of residential HVAC machines. Our customer needs are met with prompt and professional service. You’ll never get an answer machine while trying to communicate with us over phone. NS services all kinds of heating or cooling units, regardless of size. If you’ve run into another company and been informed any part of your HVAC system requires replacement or is bad in condition, call us and we’ll tell you an alternative for free.
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Reviews (35)
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Sunshine City
Mar 07, 2022
This company is highly recommended they performed HVAC replacement and provided 1 day install. Our HVAC system was outdated and on its last leg. The supervisor came out to take a look and informed us about all various options Services: Heating system repair, A/C system repair, A/C system maintenance, Install thermostat, Cleaning
Aman Brar
Aug 05, 2021
I am very pleased with excellent service provided by NS Heating and Cooling. About 3 years ago I got two complete units (inside and outside) replaced by them; I bought the Amana units with lifetime warranty. Sami is absolutely the best in this business, he gave me the right guidance at that time on how to pick the right system. I have been enjoying the excellent systems installed by his team for 3 years. This summer one of the units had a capacitor blown and his team promptly replaced the capacitor. Five star service!
Agnes Stadler
Jul 22, 2021
Our AC rooftop unit went out and needed replacement in the middle of the heat wave in Washington DC. Several companies we contacted were overwhelmed by the demand and/or were unable to meet out deadline request. NS Heating and Cooling responded promply and had a technician out to assess the situation within hours. They contacted us right away once the inspection was done and had a good estimate ready that same day!

Although we finally decided on another company - we found that we had personal ties to them - I would like to recommend NS Heating for their speed of response and excellent customer service!
Dan C.
May 28, 2021
After sorting through all the communications issues, I was finally able get help with my HVAC System. The office was able to get a technician out to my home to help troubleshoot and make repairs to the system. This has been a great help and the Company has definitely made up for the shortcomings of missed appointments and no shows. I appreciate the staff doing their best to solve my HVAC issues and provide the support that I needed.
Sheila
Feb 12, 2021
If I could endorse NS HVAC with 10 stars, I would do 11. In times of a major appliance change as a homeowner you can't help but come across a slew of fears from unaffordable costs, lack of expertise & customer service, a rigamarole of estimates/visits & appliance quality. My fears were instantly quelled beginning with an initial service call with OMAR.

He is an exceptional customer advocate & well informed. It was all about solutions and all around best value during our call. An hour later he was already inspecting my malfunctioning unit. Fast forward- from Omar's initial visit to his friendly team bringing installation to fruition seamlessly - it was HANDS DOWN the BEST & FINEST transaction of this capacity and magnitude (furnace replacement- photo inset).

A GOLDEN PACKAGE surpassing my expectations; stemming from follow up calls to post install customer service. Quick, reliable, quality assured, clean, friendly, flexible, & reasonable. I am very much looking forward to a new A/C unit replacement come this summer with NS HVAC & the opportunity to refer. Thank you for the pleasant & "warm" experience!
Timothy Kelly
Feb 04, 2021
Second time I've used NSI. First time at my moms house. The second at my in laws 5 years later. NSI was fast, reliable and the best deal in the DMV area. Sammy was professional and a true gem to work with and stands percent by his installations. I highly recommend! Services: Install AC, Installation
Celeste Mason
Feb 03, 2021
Highly recommend! Confirm you obtain the smart thermostat that is listed in estimate Services: Install thermostat, Install heating system
Bruci L.
Oct 21, 2020
Back in 2017 I did quite a bit of research in the Loudoun County area to find a good company to replace my defective HVAC system. I came across NS HVAC in Yelp and asked them to come for an estimate. Their estimate was VERY competitive, so I went ahead and hired them for the job. They did an excellent job installing a new HVAC system. This month in October 2020 I had to replace the HVAC in another property, and I decided to give them a call once more. Sammy came and again gave me very competitive pricing.

I hired them and the team did an excellent job once again with the replacement. Communication throughout the process was great, and the technicians answered all my questions. I seldomly leave reviews, but this was well deserve and I highly recommend them.
Hai Des
Aug 03, 2020
They are very good with reasonable price and woking professionally.i recommend them to heat pumps. Thank you being honest.
Andriy Volkov
Jul 23, 2020
Awesome service and good price. Professional, attention to details and quality - and no marketing B.S. Great communication, flexible payment options, and most importantly I'm happy with the final result. Will go to these guys again and recommend to everybody.
Donald Rooney
Jun 15, 2020
They put in an HVAC system 3 years ago - very fair price and even installed it on Memorial Day for no extra charge. Everything works great. They have also been very helpful about coming out to the house to give quotes for moving ducts or putting in a mini split as we add an addition to our house.
Elizabeth B.
Apr 15, 2020
Our air handler unit stopped working, and the heat pump had already had several repairs. We decided it was time to replace both. Did some research and put some requests out for estimates. Omar responded very quickly and provided specific info/pricing via text/email. He came out a couple of days later for a home visit. We were given several estimates/options to go with, and never felt pressured to choose one option over the other - it was our decision to make (and Omar answered some questions we had prior to making a decision, so we could make an informed one).

The three gentlemen that came out to do the installation were professional, courteous and diligent. They did a great job and left everything clean when done. NS was a great business to work with from beginning to end. I wouldn't hesitate to recommend NS to anyone looking for HVAC work! (Of the three businesses we looked at, one was slow to respond and the other quoted us a much higher price for the job... NS was always prompt in their responses and pricing was reasonable).
Elizabeth B.
Apr 15, 2020
Our air handler unit stopped working, and the heat pump had already had several repairs. We decided it was time to replace both. Did some research and put some requests out for estimates. Omar responded very quickly and provided specific info/pricing via text/email. He came out a couple of days later for a home visit. We were given several estimates/options to go with, and never felt pressured to choose one option over the other - it was our decision to make (and Omar answered some questions we had prior to making a decision, so we could make an informed one).

The three gentlemen that came out to do the installation were professional, courteous and diligent. They did a great job and left everything clean when done. NS was a great business to work with from beginning to end. I wouldn't hesitate to recommend NS to anyone looking for HVAC work! (Of the three businesses we looked at, one was slow to respond and the other quoted us a much higher price for the job. NS was always prompt in their responses and pricing was reasonable).
Donald Rooney
Sep 18, 2019
They put in an HVAC system 3 years ago - very fair price and even installed it on Memorial Day for no extra charge. Everything works great. They have also been very helpful about coming out to the house to give quotes for moving ducts or putting in a mini split as we add an addition to our house.
Alem W.
Jul 01, 2019
My AC broke and needed an estimate quick before the heat stroke. I made a request online to a bunch of contractors. Omar was very quick to get back to me. He came out to my house, told me what the problem was and offered me a repair or replacement. I ultimately decided to do a replacement and received estimates from multiple contractors around the area. Omar's estimate was by far the most competitive and he seemed like he really knew what he was talking about so I decided to work with him.

He sent his team a few days later and they worked magic. Thy really did a great job and were very patient with me and all my requests. They left the place really cleaned, changed all my filters and my county inspection passed with no issues. I am really happy with their work!
Alem W.
Jun 30, 2019
My AC broke and needed an estimate quick before the heat stroke. I made a request online to a bunch of contractors. Omar was very quick to get back to me. He came out to my house, told me what the problem was and offered me a repair or replacement. I ultimately decided to do a replacement and received estimates from multiple contractors around the area. Omar's estimate was by far the most competitive and he seemed like he really knew what he was talking about so I decided to work with him.

He sent his team a few days later and they worked magic. Thy really did a great job and were very patient with me and all my requests. They left the place really cleaned, changed all my filters and my county inspection passed with no issues. I am really happy with their work!!
Anji B.
Apr 15, 2019
TALK TO NS HEATING FIRST! Have used NS Heating on several occasions now. Not only have they bailed us out of several HVAC breakdown situations, they have also replaced 3 HVAC systems for us in downtown DC - we've had a 5 star experience each time. One system replacement involved moving the compressor unit to the backyard from the roof, and while they did not remove the old unit, they placed the new compressor in the backyard and did all the wiring required with the minimum disruption to the indoor dry walls etc.

They also added an extra intake on the second floor, found the ideal location for it and completed the job in good time. The other two systems required replacement of the chimney liners, again managed with expertise. They gave very competitive prices, the best labor and service warranty anywhere on Carrier Performance 2 - 4 ton systems.
Sammy is extremely personable and will personally ensure that the job is done right each time.
Anji B.
Apr 15, 2019
TALK TO NS HEATING FIRST! Have used NS Heating on several occasions now. Not only have they bailed us out of several HVAC breakdown situations, they have also replaced 3 HVAC systems for us in downtown DC - we've had a 5 star experience each time. One system replacement involved moving the compressor unit to the backyard from the roof, and while they did not remove the old unit, they placed the new compressor in the backyard and did all the wiring required with the minimum disruption to the indoor dry walls etc.

They also added an extra intake on the second floor, found the ideal location for it and completed the job in good time. The other two systems required replacement of the chimney liners, again managed with expertise. They gave very competitive prices, the best labor and service warranty anywhere on Carrier Performance 2 - 4 ton systems. Sammy is extremely personable and will personally ensure that the job is done right each time.
Spike Jones
Apr 04, 2019
I am very pleased to write this review for NS Heating and Cooling Inc based on having to replace an aging heat pump system in my condo apartment. While checking out various contractors, I received an immediate telephone reply from Sam at NSHVAC inquiring about my project which required a total system replacement (air handler, heat pump and thermostat), as my old R22 system had finally given up!

I described my needs and Sam emailed a written quote promptly, asking to confirm my requirements with a site survey. After the survey, we confirmed selection of a 2 ton Carrier air handler, 1.5 ton Bryant heat pump and new thermostat. 2 days later, Oscar and Victor showed up, right on time and began the project. They laid down drop cloths on the carpet and took their shoes off everywhere else they had to go.

The old gear was removed, the new gear installed and was up and running in the early afternoon, ahead of schedule. Oscar and Victor did a great job, neat, tidy and a detailed clean up once complete. I am very happy with their work and would recommend them to others in the Northern Virginia area! A+!
Vickie Y.
Dec 14, 2018
I contacted NS about what turned out to be a normal defrost process. Sammy was very honest and Iet me know that it was normal. He also told me what to look out for and when the system would need looked at. Thank you Sammy.
Vickie Y.
Dec 14, 2018
I contacted NS about what turned out to be a normal defrost process. Sammy was very honest and Iet me know that it was normal. He also told me what to look out for and when the system would need looked at. Thank you Sammy.
Beth S.
Nov 25, 2018
Great job for a very reasonable price. I've already recommended this company to family members who need a new furnace. On time, polite, and efficient service. I'm going to use this company for all my HVAC maintenance needs. Thank you!
Beth S.
Nov 24, 2018
Great job for a very reasonable price. I've already recommended this company to family members who need a new furnace. On time, polite, and efficient service. I'm going to use this company for all my HVAC maintenance needs. Thank you!!
Chung Y.
Jul 20, 2018
Just got my ac unit fixed by NS. There workers came found the problem and boom! Have cool air again. They stayed and made sure everything was working before they left as well. Also before entering the house they put on shoe covers. They didn't need to but that was a plus for me.
Chung Y.
Jul 20, 2018
Just got my ac unit fixed by NS. There workers came found the problem and boom! Have cool air again. They stayed and made sure everything was working before they left as well. Also before entering the house they put on shoe covers. They didn't need to but that was a plus for me. Thx NS!
Sivan B.
Jun 07, 2018
Super professional. Very Clean. The work was done at an appropriate amount of time. The owner came to do a quote for me in a very short notice so I can get back to work. He was honest about what would have to be done and gave me options. We had a little baby in the house and they made sure to give me a fast appointment to replace both units. Thank you so much we will definitely pass the name around!
Tim Khat
Mar 03, 2018
Have to be honest. Sami is one of the best person in this business and very trustworthy. Mom AC broke down, he came himself to get an estimate and best part he match and beat all other estimates. His crew came down as promised and put a new unit as expected. Got 1 year labor warranty and provide docs to register unit for 10 year parts warranty. I never met this guy in person, but he did what he promised. I would heighly recomend him and will diffinanly reference to friends and family. Thank you
Jeanna W.
Dec 05, 2017
Great communication, attention to detail, tact, and follow-through. Would definitely refer them to others.
Jeanna W.
Dec 04, 2017
Had this company come and install ductwork/HVAC in my three level finished home. They meticulously sought out the efficient areas to do least demolition. I was pleased with their work, professionalism, and expertise. They arrived early every morning, on time. Cleaned up after themselves. The job was done in less than two weeks. Would definitely recommend them to others. Great communication, attention to detail, tact, and follow-through. Would definitely refer them to others.
Lynn C.
Jun 12, 2017
I used NS to replace a central air unit that stopped working a year ago. My husband and I saved up a year to replace the unit. I spoke with Sammy, and negotiated a price. An hour later, I was hit by a bus. Car totaled. All the $ we had saved needed to go to doctors, rental cars, etc. The first person to call me the day after the accident to see how I was doing was NS HVAC.

They called even before my insurance company. They said whenever I was ready to move ahead, the negotiated price would stand. We were able to *finally* have the unit installed this past Saturday....just hours ahead of the heat wave. Saturday morning at exactly 9am, Byron, and an assistant arrived to save the day. They were fast, efficient, and friendly.
Lynn C.
Jun 12, 2017
I used NS to replace a central air unit that stopped working a year ago. My husband and I saved up a year to replace the unit. I spoke with Sammy, and negotiated a price. An hour later, I was hit by a bus. Car totaled. All the $ we had saved needed to go to doctors, rental cars, etc. The first person to call me the day after the accident to see how I was doing was NS HVAC.

They called even before my insurance company. They said whenever I was ready to move ahead, the negotiated price would stand. We were able to *finally* have the unit installed this past Saturday.just hours ahead of the heat wave. Saturday morning at exactly 9am, Byron, and an assistant arrived to save the day. They were fast, efficient, and friendly. by 3:30pm, we were literally chillin'.
David B.
Jun 08, 2017
I bought two Daikin ductless systems to replace existing Fujitsu ductless systems for my house. I had NS Heating and Cooling install them. The guys did good work and were pretty clean in getting it done. I'd hire them again and I will most likely use them in the future for any heating or cooling issues I have. The job was done in a single day and everything has been fine since.
David B.
Jun 08, 2017
I bought two Daikin ductless systems to replace existing Fujitsu ductless systems for my house. I had NS Heating and Cooling install them. The guys did good work and were pretty clean in getting it done. I'd hire them again and I will most likely use them in the future for any heating or cooling issues I have. The job was done in a single day and everything has been fine since.
Jeremy M.
Nov 04, 2016
Great experience! They gave me a great quote when I compared it to 2 other companies. Even after one quote was cheaper, however offering crapper equipment, NS Heating and Cooling lowered their price a bit and offered an additional warranty. They were always on time, helpful and followed-up. I'd highly recommend them!
Jeremy M.
Nov 04, 2016
Great experience! They gave me a great quote when I compared it to 2 other companies. Even after one quote was cheaper, however offering crapper equipment, NS Heating and Cooling lowered their price a bit and offered an additional warranty. They were always on time, helpful and followed-up. I'd highly recommend them!