HVAC reviews in McDonough, Georgia

4.8 based on 574 reviews Back to the listing
    5

    5 STARS!!! I just recently got an all new system installed in my house. Got several estimates, but Williams was the most competitive and they only use top quality name brand product. Would highly recommend to anyone! Call these guys and you will not have to call anyone else!

    5

    Greg was delightful. He's highly knowledgeable and demonstrated an outstanding commitment to quality and to getting the job done right... the first time. I appreciated that he loves what he does. He was kind and friendly, too. The same was true for the team member who assisted him with some of the install. A consummate professional. A good experience from beginning to end. I absolutely recommend Williams Heating and Air!

    5

    First off, this man came out in HIS day off, HIS DAY OFF! Greg was amazing from when we first spoke on the phone, to when he texted for a follow up. He was prompt, thorough, and VERY honest. He took the time to show me what he was doing, explain how things worked. He was determined to get my ac back up n running. Bless this man he got my house cooled, dogs happy and didn’t break the bank! Will definitely be recommending Williams Heating and Air to everyone! 👍🏻

    5

    We contacted this company after having 2 different HVAC quotes. One told us our smaller unit needed to be replaced. This was not the case. More on this later. Our larger unit which was 20 years, went down. Greg came out assessed both units. Quote was surprising lower than any other company that we dealt with. The customer service and communication was outstanding. My energy bill has decreased by 200 plus dollars in the dead heat of the summer. I highly recommend Greg to anyone that needs HVAC services. This is a 3rd generation family owned and operated business. Now to update on the smaller unit that we were told was dead. Greg would that the capacitor and fan motor needed to be replaced the cost was minimal.

    5

    William is the most professional person I have ever worked with, he was on time, responsive via text message and calls, and answered any questions I had for him. His pricing is more than fair compared to other HVAC companies and the Quality of work is superb. Will be recommending him in the future or calling for future maintenance!!

    5

    Greg Williams is a top notch, well trained professional. He has done both new installation and service work for me. His attention to details, technical knowledge and professional work ethic are to be admired. I highly recommend Greg for any HVAC issues you may have.

    5

    Williams heating and air did a fantastic job installing my new a/c system. The price was great and the service was excellent. They were very knowledgeable about everything and answered any questions I had with clear and concise answers. They ran into a couple problems with the hasty wiring the original builders did with my old system and fixed them with no extra charges. Will use them from now on. Highly recommended.

    5

    Greg did an amazing job at helping me charge the lines for my mini split that I installed. He also checked to make sure that we installed everything correctly on our end as well, something that he didn’t have to do, and he did that on that pro bono.

    I would highly recommend him and his team for any AC work needed. Honest, fair, and above all else, honorable.

    5

    Highly recommend Williams Heating and Air Conditioning. Very professional and responsive. Was able to fit me in due to my work schedule. Explained everything he did and answered all my questions. Fair priced for services. Will definitely be using services again. Updated review. When our system stopped working I called and Williams Heating and Air came out and professionally installed a new unit with 10 year warranty. Definitely appreciate the great service! Will continue to use Williams Heating and Air for any HVAC services we need.

    5

    I can't recommend Greg and his team enough. Greg is professional, honest, and knowledgeable. Greg install three Mitsubishi Mini Split systems, installed a new duct, and repaired other ducts in our 100 year old home. I'm very happy with Williams Heating and Air. Thank you so much! My family is so much more comfortable in our home and our electricity savings are excellent.

    5

    Called Greg who was able to come out same day! Gave me a 1 hour time frame on when he would arrive with a 20-30min heads up text message of his arrival time. Sure enough he was there when he said he was going to be, have heard this from multiple other people as well. Very personable, up front and honest about pricing during this crazy time of price increases…how many people can you say that about? There are two units at my house and the smaller one hasn’t been used in TWO YEARS because another local business told me it was shot and needed to be replaced. Within 20mins an a $50 part later, Greg had the unit fully functional and flowing out cold air. This unit wasn’t even the reason why I called on his services!! He will be doing a quote for a replacement unit for the larger house unit and I have no reserves when I say NOBODY but Williams Heating & Air will be doing the install and servicing the heating and air at my house in the future! This is exactly how business should be done and I recommend Greg and his company to anybody!!

    5

    Words cannot begin to describe the level of service & fair pricing my wife & I received from Williams Heat & Air Conditioning. Greg was very professional, on time & detailed in his craft. Explained everything & answered ALL of my 30 questions timely regarding replacement of my 35 year old HVAC system. Greg & his crew had to do a little extra work to complete the job & Greg didn’t charge me for it. For that, I blessed the crew with packs of my top shelf deer & wild hog sausage😉. I highly recommend Williams Heat & Air Conditioning for all your HVAC needs. Oh, they are also maintaining the new system going forward.

    5

    Williams Heating and Air was recommended to me and now I will only hire Greg for all my HVAC needs. I received a quote from another company that was twice the cost. Greg is very fair in his prices and does excellent work and took the time to answer all my questions.
    I highly recommend Williams Heating and Air. He is honest, dependable and his company is the best you will find.

    5

    9/20/2020_______________________________________
    This company is awesome! I have rarely seen a firm practice fiduciary duty at this level and boy I wish this quality of customer service and expertise was more common. I needed a full HVAC System replacement, smart thermostat, and a whole house air purifier. Greg the working owner walked me every step of the way explaining everything in detail about what systems or brands to choose from. He was informative, positive, patient, and is very friendly. He also did a lot of extra things most people wouldn’t but should notice or bother with. His crew quickly disassembled my old unit like they could do it in their sleep and built, installed, wired, tested the new one. And they were pretty cool too. In my opinion that’s how a small business is run. They covered all the bases. The pricing is very fair and well explained, the customer service is top notch, and they follow up and make sure everything is okay after they leave. It’s pretty much going to be impossible to pry me away from these guys for my future HVAC needs and after you try them out you’ll probably feel the same way. I highly recommend Williams Heating & Air
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    5

    Absolute life saver! Williams heating and air conditioning is a great company. Very honest an competitive. Got many estimates from several companies and none made me feel comfortable that the job was going to get right an honest. Greg showed me what I needed an how to maximize the right system for the square footage I needed cooled. The job got done right and now we are siting in a much cooler house saving money each month. Thanks again for the great system .

    5

    Wow! Greg was fantastic. He was super responsive and kept us updated throughout the process. We were dreading the task of having to have our AC repaired, but Greg offered multiple solutions at various price points and never tried to scare us into the more expensive options. Well done Greg! We will recommend you to all our friends!

    5

    Greg and his team are amazing. I found Williams Heating and Air online and decided to call based on the reviews. I was not disappointed at all. Greg is very personable, professional, and knowledgeable. Being a new homeowner you have difficulty finding quality vendors to help take care of your home. Im so thankful to have discovered Williams Heating and Air. Thank you so much for everything! We are so relieved and happy with the service we received. 💙

    5

    Absolutely love this company! Greg came out to help us when our air went out. He responded very fast and was able to diagnose the issue same day. The part we had to order for our ancient system was painless as he took care of it all, we were not gouged on cost for the second visit to install the part either. Williams Heating and Air has our business for as long as their doors are open. I highly recommend this company if you want someone who is respectful and reasonable in cost and knows what’s going on; we won’t use anyone else!

    5

    Great experience, Kept me updated on everything and gave me great advice on how to maintain my A/C unit . My A/C Unit is working very well now . Greg is amazing and very personable. I would definitely recommend Williams and his team to my friends and neighbors.

    5

    I called Greg as he was a recommendation from my father in law. I asked him if he had an available time for the day I needed and he did so we got it set up. He had to see about another customer but called me as soon as he had a better idea and we set a time. Communication is great and Greg is perfect at that. The day of my service I received numerous notifications that he was on his way. He got here asked questions to get a better understanding of what I needed. He didn’t get bothered with me hanging over him asking questions and just trying to figure out what he was doing because I was honestly curious. I knew from meeting him I had called the right company and I could trust him. He went above and beyond while servicing my units. His pricing is well below average of the bigger name companies but the work and trust you gain blows the bigger companies out of the water. Our air hadn’t worked in about 3 years, I thought we needed a new unit, Greg could’ve pushed a new unit but it just needed serviced. I highly recommend them for any of your HVAC needs, especially if a hvac company has caused you not to trust them, Greg will earn your trust back!!

    5

    Greg Williams does it again! Our agent recommended him at our house closing and we realized he'd worked on my boyfriend's house years before. Super professional, total expert, detail-oriented, great communication, and super prices. I wish every vendor was like this. He's smart about tech productivity tools (his booking app makes it super easy to get your estimate, track your appointments, and pay your itemized bill. His crew even uses radios instead of yelling across the property). We didn't even have to be there -- we went to work today, were kept in the loop every step of the way, and when we got there this evening, a whole new system was sitting there looking perfect, and working flawlessly. We didn't even have to clean up after them (pet peeve of mine). Greg treats people like he truly values them and wants to make their lives easier. Nobody does that these days. We definitely appreciate it and absolutely recommend Williams Heating and Air Conditioning.