Dedicated to their craft and knowledgeable on different systems. They also take pride in the installation treating each project like it is for their own home read more

The best! We have been using tween air for six years for our regular maintenance. On one other occasion we were having an issue with our system and they came within hours to fix it. And then there was tonight... On one of the coldest evenings of the year, our heating upstairs stopped working at 7 PM. I called and they dispatched Jonathan to our home within 45 minutes! Problem was fixed within 30 minutes of his arrival! Going on 8yr now and absolutely the best!!!! read more

I LOVE THIS PLACE!!!! I hardly ever write reviews on Yelp, but I thought this place deserved a glowing recommendation. And here's why... When I first tried using my heater this season, I realized it wasn't turning on. So I first called This big highly advertised company. Huge mistake! It took 2 weeks before they could come to my house, and they diagnosed my problem and estimated cost was going to be $930!! So guess what, I told them I'd get a second opinion...In comes Twin Air. I called Twin Air as soon as the other technician left my house (which was Friday at 3pm)and they sent someone (Jeremy) to my house ON THE SAME DAY just 2 hours later. Jeremy diagnosed the problem similar to the first guy's diagnosis (faulty circut panel). But the cost was only $300! (1/3 the cost vs. the other place). Clearly, Jeremy knew what he was doing. He did some digging and learned that my heater was still under warranty (a detail that the other guy missed even though I told him my heater was fairly new), which is why the cost was lower. He was also able to come the next day to repair my heater, but unfortunately I was out of town. So instead, another guy, Jose, came by Monday morning and my heat is back on and completely fixed in less than an hour! Twin Air, I learned, also does plumbing. Jose was able to look at my plumbing issues as well and is going to give me an estimate for the repairs. I should've gone with Twin Air from the beginning. Sometimes it's just better to go with a smaller company. They guys here were very professional and just nice to deal with. Next time, I know better...Thanks Twin Air! read more

Excellent service!! I've been a longtime client of this company and would highly recommend them to you for your heating and cooling needs. When I call for my appointments, everyone is so polite and helpful. They seem to recognize my voice. :) I ask for the same technician for my service calls and they happily accommodate my request. "John" has been coming now for probably ten years, if not more. He's always polite and explains exactly what he is going to do and why. This time (7-17-2020 spring check-up/10-30-2020 fall check-up) he showed up fully masked up, face and feet. Did the check-up and was done in short order. Again, this is a company that I would recommend without hesitation. I've been a client for 15+ years!! Keep up the great work!! read more

With the family spending significantly more time at home due to Covid, we have opted to use this time to tackle a long list of maintenance to-do's, which included replacing our nearly 20-year-old HVAC system. Since we knew this would be significantly larger expense than a cup of coffee, we opted to get quotes from several firms, Twin Air being one of them. From the time Jeremy with Twin Air arrived, he was both pleasant and personable and took interest in understanding how my family lived within the home and what challenges we were hoping to address with a new HVAC system. Jeremy also took time to carefully draw out the existing HVAC system and how the various ducts connected to our existing equipment. Before leaving Jeremy indicated that we would have various system options ranging from low cost to higher cost, with each level addressing some of the comfort concerns we had discussed during our visit. Upon reviewing the quotes, we opted to make a significant investment in modernizing our HVAC system and chose the option which we felt would best address our various comfort issues. This was higher than we had originally projected, but unfortunately, addressing issues is rarely inexpensive and Twin Air was very accommodating in working with us to get our new system installed. Fast forward to installation day and the team at Twin Air came with a full crew of installers. From start to finish the install took about two days. The first day was spent removing and installing all the new equipment, while the second day was spent wiring up the new zoning equipment and testing. The team was respectful of our space and took great lengths to ensure that all their debris was removed at the end of each day never leaving a trace that they had been in the home working. After our initial installation, we discovered that due to the way that our existing ductwork was installed when our newly zoned first and second floors would operate the basement was turning into a walk-in meat locker. We contacted Jeremy once more and he was quick to come back out and see if there were any easy fixes to try and resolve our newly created basement issue. After careful review, we realized that the only way to truly fix our issue was to run all new basement ductwork and install a dedicated basement zoning damper. Once again Twin Air worked with us, and we once again saw the Twin Air team arrive in full force. They made the installation of the new ductwork once again look easy. Having worked with various service companies in the past, I can say that Twin Air is a small business who is passionate about the work they do and will go out of their way to ensure the client is happy. As I write this review, I am sitting in a basement that for the first time in more than decade nor longer feels cold. read more

Jeremy and his team are nothing but amazing. We've had issues here and there with the Geo unit since we moved in, in 2021. We had the home warranty that came with the property, but that company couldn't seem to find a contractor familiar with Geothermal units. After the warranty expired I called the number on the Twin Air sticker on the unit. Let's say I wish I had done that sooner. Jeremy came out and got us back up and running during the hottest period of the Summer '22, which is amazing. He was very familiar not only with Geothermal but also with our particular unit and loop. Unfortunately we began having issues again in the fall of '22 and that culminated to losing our compressor in the unit in October '22. Jeremy gave us two options, one replace the compressor (cheaper, but shorter warranty) or replace the entire Geothermal unit (costlier, 10 year warranty). We chose the full unit, and yes we assumed there could still be issues with getting the unit due to supply chain issues. Throughout the whole process the office team was transparent and kept us in the loop. We all had two goals, one to get it installed before the brunt of winter froze us out, and second to make sure it was installed before the end of 2022 to take advantage of the Energy Efficient Rebates. I am happy to say both goals were met and we were finished with the installation 12/30/2022. The team was so great to work with, everyone was helpful, hopeful and most of all honest. I don't see us ever changing companies for all our HVAC needs. read more

This is an excellent team. They installed my geothermal system, I have them maintain it for me annually. I recently had them replace my hot water heater when the old tank ruptured (previous homeowner self installed), within 8 hrs they had sent someone to assess it and with 24 hours I had a new hot water heater installed. I call them first for anything havoc or even plumbing related. They are my go to. Always, polite, courteous and responsive. read more

Disclaimer: I did not user Twin Air for any HVAC services TLDR: Tollie at Twin Air was the the most honest and knowledgeable professional that I dealt with during my kitchen renovation. Tollie was recommended by the general contractor who was consulting on my kitchen renovation. After I was sold a stove hood that had a 450 CFM venting system I found out that national code required me to install a recovery air system to my HVAC system. This would cost roughly $2000 in additional HVAC and electrical work. Despite many attempts, the appliance company was unhelpful on a return or providing any guidance around the value of a hood with 450 CFM vs a lower CFM model. I called about 10 different HVAC companies to get a quote on the work required. Tollie was the only one who knew what was required and the national code I was referring to. He came out to my house to review the site and give a quote. Not only was he honest about the fact that he thought I shouldn't have the new hood installed but he was able to explain the pros/cons of the hood I bought (something the appliance folks couldn't), discuss the quotes I had received for other items (gas line plumbing), and provide guidance on how to work with the appliance folks to return the hood. In the end I didn't end up using Twin Air's service only b/c Tollie was able to give me honest feedback and guidance. I will be using them in the future though for any HVAC or plumbing related needs. And as a bonus I found him professional, kind, and extremely enjoyable to talk with. read more

I had an appointment for them to come out and repair a simple gas leak in my house. they cancelled the appointment without a reason and never showed up. unreliable company be very careful if you use them read more

I would very easily and comfortably recommend Twin Air to family and friends. We purchased a home that needed a new heat pump system and received three quotes; Tollie at Twin Air was by far the most knowledgeable and professional. He took the time to explain all of our options, made helpful recommendations, and answered my many follow up questions. They did reschedule once, but asked first if that was okay with us since they had a few emergency calls and we didn't mind since our system was currently operating (just not very well). Installation day went smoothly. Zero complaints. Can't think of any suggestions on how they may improve. read more

I couldn't be more happy with what I saw. I will be recommending Twin Air to all of my friends and colleagues. I work for a service company in a different trade from HVAC, so I have high expectations when it comes to other service providers. I must say I couldn't be more impressed by the folks at Twin Air. · I called in a warranty issue and was offered service the same day. · I was thoroughly impressed by the technician's level of expertise. · Their people fixed my problem promptly and professionally. · We paid nothing for the repair due to the work being covered under a warranty. I recommend very highly. read more

In the often challenging space of plumbing/HVAC repair, Twin Air has become like a "friend of the family". About 2 yrs ago, we were told our entire water heater assembly - from soup to nuts - required replacement. $2,600. We called Twin Air as part of our "second opinion" efforts. Turned out what we needed was a simple boiler valve replacement at $140. We became customers for life. Where they forewent $2,400 at the first engagement, they've gained our business for as long as we're in Western Fairfax. Just had one of their representatives out to recharge our coolant in our AC Unit after diagnosing a simple non-fault leak. All business, no funny stuff, priced as quoted. It's tough to exaggerate the benefits of having confidence that the plumbing/HVAC issue you need solved is going to be completed correctly and fairly. Like I said, it's like calling a friend of the family. These guys are the best. read more

I finally found a quality HVAC place. I have used these guys three or four times now and love how quick and professional they are. These are very good people and a family-run business. read more

Jose from Twin Air LLC came out and did a tune up/spring service for both of our HVAC systems. We went with the year contract with them because it was significantly cheaper and included the current service and one in the fall. I really like Jose's expertise and efficiency. He was done within an hour and arrived on time. I will definitely be using this company in the future! Not sure about the other reviewer's comments on Tollie. All of the conversations and questions I have had have been answered timely. read more

We had a terrible experience with this company and found them to be very dishonest. We were charged $400 and we still have no working AC. When they first arrived they said a new part was installed. They did say the AC needed to be replaced but the new part would buy us some time. 4 hours later we called them again and they revisited because the system did not restart. At the second visit they the system died completely. I asked what was the $400 charge for? Their response was for the visit. They said they would disconnected the AC from the house so it won't pull anymore electricity and send us estimated for a new unit. We went outside and found they never disconnect the unit at all. This makes us wonder if they ever perform any work and installed any new part. They said they were going to provide us estimates for new AC. We never received the estimates from them. We were using their preventive maintenance plan for several years. What a waste of money. The one time we called them to repair we were disappointed in their service and most importantly how dishonest they were. Shame on them. Do not use their plans, in face I recommend everyone stay away from this company. I don't trust them at all. They won't be getting any money from this household anymore. read more

They put in my tankless a few years ago and I gave them 5 stars. When I called today the receptionist couldn't find my name and apparently did not want my business. Oh well... read more

I have used Twin Air for a few years now for regular spring and fall maintenance of my AC and gas furnace units. They can also do plumbing work for the bathroom. The guys that come out have always arrived on time and are professional and knowledgeable. I like that they have an answering service on the weekends and evenings too to help answer questions. Would highly recommend them for your HVAC and plumbing needs. read more

Called for an estimate on a new heat pump. Tollie, the owner came by to check on my old system. Said he would get me a quote in a day or two. It's been 6 days and no quote. I sent an email and no reply Not sure if he really wanted my business. AVOID!! read more

Twin Air came as a recommendation from our realtor when we moved into our home in 2014. It's really hard to work with maintenance companies without feeling like you're getting taking advantage of. I have never felt like this with Twin Air. After using a company for 3 years, you'd think they would have pushed some kind of product/service/upgrade since becoming customers; not these guys. They are professional and have even gotten to know our family. Can't say enough great things about them! read more

Wow, I just received the best service from Twin Air. I have used other companies and this one is by far the best in service and pricing. My brother's unit was not working in his condo - a tech came out - diagnosed the problem and I received a call with the quote to repair. Was told that the unit is still under warranty (how honest!!!) and was given a fair price for the work. Very grateful that I went with this company after having read their recommendations on my next door group. Highly recommend. read more

By far the most professional heating/air company I have ever worked with. They came out on a Sunday when our a/c stopped working during a hot weekend. One of the owners, Jeremy came out at 8:30 in the morning, exactly when he said he would be there, had my a/c fixed and running in less than an hour. He also found further issues and had them fixed as well. The pricing for an emergency visit was very reasonable, he was clean, professional, and extremely knowledgeable. I will not only use them exclusively but will recommend them to everyone I know. Beyond impressed!! read more

Absolutely fantastic! We needed a whole new air conditioning unit and furnace. Not only did they take their time to make sure it was perfect, they were clean, respectful and some of the nicest people to do business with. We have gone back many times for their plumbing service and a couple nasty leaks. Always amazing service with a smile. We will continue to call on them for any of our HVAC needs. read more

I love Twin Air. The owners are trustworthy and reliable. The technicians are conscientious and take pride in the quality of their work. A few days ago my A/C went out just before the weekend. Josh arrived in 10 minutes and had the issue diagnosed and resolved in less than 2 hours; and at a lower price than I was expecting for an after hours service call! I HIGHLY recommend Twin Air. read more

Josh was recommended to me as "honest," but I was very skeptical. since I'd been scammed by a HVAC tech in the past & it's an area I (and most) know very little about. I wouldn't write a review for one well done repair. But for over a year, Josh has done an amazing job performing quality repairs between our two properties. He's consistently honest & professional. The prices were fair, especially considering it was done right the first time. I highly recommend Twin Air to any skeptical homeowners who've yet to find a trustworthy company. Also, Jennifer at the main office was excellent at scheduling and handling all my questions & communications. read more

Twin Air is great, very responsive, knowledgeable and reasonable. We are very confident John our technician. Highly recommed Twin Air.

I've used these guys a couple times. Once to fix my old furnace then finally to replace it. They were timely and professional. There prices are very reasonable. They answered all my questions and were very friendly and knowledgable. I would most definitely recommend them to anyone needing any work on their heating or cooling system. read more

The terrific yelp reviews are well deserved. I called them around 9am about my thermostat issue and Henry was at my house by 11:30am. He was very professional, clearly explained the problem, and had the system working in no time at a very fair price. I will definitely get a service contract with them as honesty and top quality work are hard to find these days. read more

On-time, pleasant and professional. The tech explained the available options and accepted my choice without being pushy. Agreed to maintenance contract and look forward to additional visits going as smoothly as this one! read more

I can't say enough good things about this company. They are honest. Home Depot replaced my AC coil and in after which the furnace that was under the new coil stop working. Home Depot wanted to charge me to replace the furnace as well. I called Twin Air and a tech came out to look at the furnace and he said that I don't need to replace my furnace and that the gas valve was just dirty so he cleaned it out and the heat to my house was restored. That saved me close to $3500, great and honest people. I will definitely call them to replace my furnace when the time comes. Thumbs up for Twin Air; Thumb down for Home Depot. read more

Called to get an estimate on some vent work. Tollie came by, was very professional curteous and experienced. I was looking forward to working with him on the job. We never received a quote. I followed up only to get the message he would get it to me after his vacation. Followed-up again a week later with email and left a message. No response. Unfortunate I couldn't have used them. read more

My main floor AC stopped working out of nowhere (4 year old unit) I checked the breaker which was fine but the thermostat was off. Didn't know what to do and some neighbors said that had issues as well this week. One of them recommended twin air so I tried them out. Gave a call and Jeremy showed up within 20 minutes on a Saturday in 90 degree heat! He found the problem and wrapped up within 30 minutes and showed me how to prevent the issue for the future. Being that I work for a company that lives off customer service I can say that Twin Air delivered on every aspect. Thanks guys! read more

I just had to prioritize taking the time to write a review for Twin Air after numerous positive experiences with this team and my experience today where they bailed me out of a potential disaster. Twin Air was recommended to me last year and I started with having them come look at my HVAC system as part of their Preventative Maintenance Agreement. I have always found the HVAC system to be overly intimidating and since it is getting up there in age I wanted to start giving it some attention and after a couple issues with the drain pipe freezing and dealing with water damage, I knew I needed some expertise than random person here or there. Jonathan came out and checked everything, recommended a few things to replace like capacitors and explained in detail why he was recommending it and what my risk was. This immediately impressed me! I explained to him my worry about the issues I had with the sensor not killing the unit and he relayed the information to Jeremy and I received a follow up email from Aaron the following day with pricing for each option! I called Jennifer to schedule (i decided on both options for redundancy) however my schedule was tight as I was trying to get all work done at a rental property before the new tenants moved in. Jennifer went above and beyond to accommodate my schedule and John and Henry show up this time! They complete the work, test everything and make sure each of the newly installed items appropriately kill the unit and demonstrate how everything works. I now have confidence in my HVAC system that it is being monitored by people that know what they're doing. It is time for my fall maintenance under the support contract and John shows up again - and he remembers me. He checks everything again, I mention how i'm not really happy with the thermostat as there have been some issues but the older home doesn't have a cwire for a nice fancy new one and he gives me other ideas to think about for thermostats that have "wireless" communication back and can be moved from floor to floor. I like how he gives me ideas to think about and consider but at no point do I ever feel like I am talking to sales person! Now we come to my urgent situation this morning. I wake up to a phone call from the tenant saying there is standing water in the carpet on the first floor outside of the closet with the water heater. This would of course be the other item in the house I find slightly intimidating to deal with so I give twinair a call first thing this morning in need of help. I leave a message with their after hours team which was also extremely polite and asked if I wanted someone paged. I said no, just relay the message when the office opens. Jennifer calls to confirm my issue and ask if I will be around today for someone to come out. I let her know I was currently on my way to the property and I don't know what is going on but i'm nervous so if someone can help soon i'd appreciate it. She says she will check the schedule and call me back. I get a call back and she lets me know Jeremy is on his way to the property! Jeremy shows up, looks at the water heater, immediately identifies and confirms it is the culprit, lets me know it needs to be replaced. I think oh crap, how long is this going to take. He says no problem, it will be done right away... he will call someone and have them bring the new water heater! He makes a couple calls and proceeds to start draining the existing tank, turning off the water, the breaker, disconnecting the electrical and all the pipes. I begin researching water extraction and restoration options and he mentions they recommend tri state. I proceed to look up their number and he asks if I would like him to make the call! He calls them for me, explains the problem and what is needed. In the meantime i'm asking a couple questions and we identify that I don't have a frost free hose bib in the rear and the pipe is angled the wrong way -- another item for the to do list but again, just information and no pushy sales talk. New water heater arrives and guess who brought it? Jonathan! and he remembers me from before and even another house he was at months ago that was a friend of mine and the specific issue. Jeremy explains in detail so I understand how the new water heater is going to sit in a pan, the pan will point into the drain, it will have an expansion tank on top and why it needs the expansion tank... etc. I also ask for an audible alarm to sense water in the pan, and he makes sure that is handled too. I got the sense the alarm wasn't really needed but he didn't care, I asked and he made it happen. Just as twinair was wrapping up the water restoration folks arrived that Jeremy had called so they got to the site lightning fast and that experience was positive as well. Bottom Line - Highly Recommend and have to everyone i know! read more

I have used Twin Air many times from 2008 to 2015, including plumbing/HVAC for a kitchen remodel, a new water heater, several frost-free faucet replacements (between two different houses), and yearly HVAC maintenance. Twin Air always arrives on time, the workers know what they're doing, and I've always been pleased with the finished product. Highly recommended! read more

This company is the best, dont ever hesitate to call them. Honest, reliable and experienced. 5+ stars!

First time experience with Twin Air. Researched several companies prior...got it down to five and based on research and reviews decided to call Twin Air. Service was scheduled for the next day. Was given an arrival window time. Called when they were en-route from the prior job. On arrival promptly slipped on booties to protect carpet. Very personable technician. Quickly located the cause of air only blowing on the first floor and corrected. Seemed experienced and knowledgeable. Educated me on the coolant being use was being phased out in two years for environmental reasons and how the cost had skyrocketed. Answered my questions concerning eventual system replacement in the future...approximate costs, etc., and refreshingly advised to do my homework but not to replace as long as it was working. Indicated all was currently good and never tried to sell anything not needed. Based on this experience I decided without any prompting to request a maintenance agreement - which I never expected to do after my experience with one with another company. Thanks for the good service. read more