One Hour Heating & Air Conditioning of Northern Virginia

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One Hour Heating & Air Conditioning of Northern Virginia One Hour Heating and Air Conditioning is a professional mechanical contracting firm specializing in heating and air conditioning services. Always on time or you don't pay a dime!
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Operating as usual

26/03/2021
Always On Time

If our One Hour Heating & Air Conditioning service professional is even one minute late, the service is on us. We won't keep you waiting! Always On Time…Or You Don’t Pay A Dime! https://j.mp/3tlKhhz

We love hearing about your experiences with One Hour Heating & Air Conditioning! Here’s a great one shared recently!"Jim...
13/03/2021

We love hearing about your experiences with One Hour Heating & Air Conditioning! Here’s a great one shared recently!

"Jimmy C. came and helped us get the financing to replace our 13-year-old unit. He was VERY professional and helpful! The crew that did the work was also fantastic! They had our new unit installed and running that same day! Amazing experience! Thank you!"

We want to hear about your experience – share it here today: https://www.onehourheatandair.com/reviews/

Making your home energy efficient means saving some green – both money and the environment! However, many homeowners are...
02/03/2021
Complete Guide to HVAC Energy Efficiency

Making your home energy efficient means saving some green – both money and the environment! However, many homeowners aren’t taking the time to do so. Are you too busy to save energy? Download our Complete Guide to HVAC Energy Efficiency to learn simple ways to come out ahead.
https://www.onehourheatandair.com/articles/expert-tips/energy-efficiency/the-complete-guide-to-hvac-energy-efficiency/

Download this complete guide for tips on saving money while helping the environment.

"I've used them on a number of HVAC and plumbing issues. They are professional, treat me very well, explain all my optio...
01/03/2021
One Hour Heating & Air Conditioning | Ashburn, VA

"I've used them on a number of HVAC and plumbing issues. They are professional, treat me very well, explain all my options, and do what they can to fix things rather than telling me to replace it." says Jon on Google

★★★★★ I've used them on a number of HVAC and plumbing issues. They are professional, treat me very well, explain all my options, and do what they can to fix things rather than telling me to replace it.

Is your head filled with random trivial facts? Do you know who the father of air conditioning is, by chance? ...Test you...
25/02/2021
Bitly | Forbidden | 403

Is your head filled with random trivial facts? Do you know who the father of air conditioning is, by chance?
...
Test your skills with our interactive HVAC IQ quiz! http://bit.ly/HVACIQquiz

This is a 403 error, and it's not as ominous as it sounds. Bitly can only show this page to people who have permission to see it. Maybe what you are looking for can be found at Bitly.com.

“I just want to thank you for the service you've provided over the years. Recently, a technician came out to give me my ...
24/02/2021

“I just want to thank you for the service you've provided over the years. Recently, a technician came out to give me my regular service examination of my heating system. Just as he was the last time he came; he was thorough and went above and beyond to make sure my system was in tip-top shape.” – Wayne W.

Check out all of the compliments our teams have received here! https://www.onehourheatandair.com/reviews/#~4874r13

18/02/2021
Feb18_HomeWorkout

Breathing clean air is an important part of a healthy lifestyle. Have you considered the quality of the air you’re breathing in when you work out at home? One Hour Heating & Air Conditioning offers a full range of indoor air quality services for your climate and lifestyle. Contact our indoor air quality experts today to schedule an appointment! https://www.onehourheatandair.com/request-appointment/

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If I can give negative 5 stars I would do just that. I have hired Modern Mechanical 4 different times to install tankless water heater and paid well over $20k. Very first time I hired these knuckleheads, I was told they know how to install tankless water heater and the particular brand I was looking at. They assured me, they have done similar jobs previously (which I found out was not true). First day one plumber (Ronnie) arrived to install the whole system by himself; he looked clueless and was moving slower than slowsky. He didn't finish the job after being at my house for 12 hours. He said he will come tomorrow. Next day another plumber (Logan) showed up to finish the work. He looked somewhat decent but later on turned out to be a dud as well. He said the previous plumber didn't hook up pipes correctly and vent pipes will need to be fixed. He started to undo everything to fix the pipes. In the midst of the work, he said he doesn't have the pipes that he needs so he will go to supply store to pick up parts and come back. He returned after 2 hours with few parts and pieces. He finished everything and left my house at 11:30pm. Couple of days later county inspector came to check out the gas line that was run to the water heater to ensure there is no leakage or issues and everything is according to the code. There was another plumber (Marcus, Plumbing Manager) accompanying the inspector. Soon as inspector turned on the gas sniffer detector, it started going off. Inspector notified the plumber there is a leak and he will have to shut the gas line and fix the issue. There were few code violations that inspector pointed out to fix before the next inspection. Plumber fixed the gas leak and said he will return the next day with a helper to fix other code violations. Next day plumbers, Marcus and Paul (Master Technician) arrived to fix all the issues and redid everything from scratch. After 4 weeks of going back forth with the back office, inspection was scheduled and it was passed. Hallelujah!!!! Whole experience was tormenting and very disappointing but I looked pass that since their plumber Marcus and Paul did an excellent job according to code. I decided to do another tankless water heater at a different location. I asked Marcus to do the work. They came and started the work and turned out some parts were not ordered correctly so work had to be to resumed the next day. After 3 weeks of back office and management incompetency work was finished and inspection was passed. As first and second time was not enough, third time had another tankless water heater, I called Modern Mechanical and request Marcus to do the work. This time around he came 95% prepared and had majority of parts on hand. He finished the job in one day then called for inspection. It failed due to code violation. After 2 weeks of yet again management's incompetency inspection and work was completed. Fourth time I needed a tankless water heater installed, I called to request for Marcus to come install the system. He came to install it and finished the work in one day and left the home at 12am. Next step was to call for county inspector to come. Lo and behold gas permit was not even pulled from the county before the work was started. I asked them very nicely about the status and I was told that company license is going through a renewal process and it will take some time. I told them, it is holding up my other work in the house and I need it done. And they have taken my full amount of the work. I still kept getting the runaround and excuses that I ended up reporting it to BBB, CFPB and disputed with my credit card company. I will be filing a lawsuit shortly. Disclaimer: Their own technicians have told me that "Modern Mechanical will take your money and hand your load of crap because their ownership and management is utter incompetent. They should not be given any business of any type and let them go bankrupt". I think the statement holds true since I have endured agony and misery in the last 2 years of dealing with them.
They provide timely and cost effective maintenance for my 2 furnaces and heat pumps. My a/c runs at peak efficiency. The tech recommends items that provide additional utility for the systems.
There are not enough words to describe how thankful we are to Modern Mechanical now One Hour Heating and Air Conditioning and Lennox Feel The Love program. You were all so wonderful to us and your work was so professional. My husband and I enjoyed speaking with each and everyone one of you! This day for us was one of hope and joy we are truly blessed to been a recipient of such a wonderful gift.
There are not enough words to decribe how thankful we are to Modern Mechanical now One Hour Heating and Air Conditioning and the Lennox "Feel the Love" program. You were all so wonderful to us and your work was so professional. My husband and I enjoyed speaking with each and eveyone one of you! This day for us was one of hope and joy we are truly blessed to been a receiptant of such a wonderful gift. #Forevergrateful
My mom, Chris Thomas, is the most giving, caring, and loving person I've ever known. She has always sacrificed herself to help me and others. Her attic furnace is not working and she is using space heaters at the moment as she can't afford a new one. Your offer for a free furnace is so timely and would mean the world to my mom.