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"Heating was working afterwards. Job well done."

"It went well. The guys who installed the water heater were very professional and answered my questions."

"Everything went a smooth as possible! No problems were found on either my A/C unit or hot water heater."

"I thought it went well but took longer than I expected. Mechanic Leo bought the new tank and pipes in when he arrived. I believed Leo arrived around 7:30 pm. He completed the installation around 11:30.pm Leo went out to his truck, stayed outside for a long time, in fact, my son Vann went out to ask him what was taking so long. When he came back in, Leo told me there would be an extra $100.00 We explained that we had been quoted a price of $1,300.00.. so he said to call the i office and they would straighten everything out, That’s why I called the next day. Everything seemed okay. When I notice the water was much slower, I called to let J&S know. The person asked me a few questions and advised me to check the faucets. Well, that didn’t work and the water was not as hot as before the installation. I called again to explain to J & S what was happening. The person there told me that they didn’t have to come out, and I still owed them $100.. so that's why I called Angi So I decided to check all of the faucets and I realized that the water flow was not coming out properly from any of the faucets So this is what happened. I am just appalled that they haven’t come out or called as of this date. I need them to come out and check this out, something went wrong. We could do a FaceTime inspection that would show the flow of the water."

"Patrick was very responsive to my texts relates to product information and quotes. He is very knowledgeable about the trade and he is great with customers. His service was prompt and the installation went smoothly. After the installation, I referred another friend to Patrick on water heater replacement."

"Very professional, friendly, clean and fast. He even fixed some bad plumbing the original installer had put in, without charging or complaining. Price was what he quoted plus a few hoses and valves that had to be replaced. Would definitely hire again."

"Nathan was very patient with all my questions and respects those who can do some DIY work. I tried to repair the issue on my own but ultimately needed to replace the entire pump. He installed a new one and it’s working great."

"EXCELLENT! The pipe clogged on a SUNDAY AFTERNOON, of course. Water was leaking into our basement! I started looking for someone with 24 hour service, and no one could come out. Then I got a call from IL Sewer and Drain. Joe said he could be out in about an hour, it was already after 4:30 pm. He came out, and was able to unclog our pipe! But upon inspection, the pipe needed to be replaced. He was able to schedule it for the next morning! The work took a few hours, but was all finished and cleaned up! I would not hesitate to hire them again or give them an outstanding reference."

"Repairs were complete and all is working as it should."

"I would highly recommend TDH mechanical to anybody. Their price was exceptional and their work was spectacular. I got bids from almost 10 contractors for a new boiler and hot water heater system for my house. TDH was the cheapest in the lot but that was not necessarily a good thing in my mind. The last boiler had been in place for a decade longer than I have been alive and I wanted to do the right thing with a trustworthy company with a system that would last. TDH discussed different options with me for weeks as I was indecisive and was extremely helpful at evaluating different systems. I finally chose a system and went for it. At this point I was pretty terrified. I had talked to references that he had given me and researched the company but I was about to spend well almost 15 grand and they were the cheapest of 10 companies by far and well... I was scared. The guys arrived exactly as scheduled and completed the work with a level of detail that exceeded my wildest imagination. In just a few days they removed 100 years of dysfunction from my house and did an absolutely spectacular job. There were a few minor issues as you would expect with a project like this and they returned promptly to take care of them. The sub contractors that they used for electrical and plumbing were top quality and every part of their service exceeded my expectations. The village inspectors were even more impressed with the installation than I was which is an excellent sign. Neither the plumbing nor HVAC inspector had a single negative comment about the installation. I highly recommend TDH and will definitely use them again for my future HVAC needs."