Best boiler installation pros near Grain Valley, MO

"Jim is who we use with Anthony’s for routine maintenance for our boiler."

I have over 30 years of experience in the field

"While having my siding removed and replaced, decided to insulate the exterior walls. They coordinated with the painter and checked the weather for when the project could be done. Also, the estimate was given several months in advance and was still honored once the project got going. They needed to come out twice to install the insulation because the siding took time to come off the house, but they were more than willing to work with the painter's schedule to make sure things got done in a timely fashion. Friendly folks who take time to answer questions and did excellent work getting the house insulated and now operating efficiently."

"They had to replace and install the new heating system. They are wonderful and we have used them probably for over 10 years now. They are available day in and out. They are I believe a smaller company so if there is any issues and anything to discuss, you have the ability to talk to the owner. They actually replaced the heater one time before and it was a bad unit. It wasn't anything we did or anything they did, it was just that the unit was faulty. The whole unit flamed up our heating system. They came out and completely replaced the unit; they actually fixed everything that was screened for coil, I guess it's commonly known among these people and they didn't charge for that. This happened about four to five years ago. They are just very good and gave a very good deal as we were using them for more than 5 years. We told them to purchase a new unit, but they replaced it with a very good deal. They are just a great set of people. Overall the experience was excellent and will continue to use them."

"Prior to calling Bob, we had several guys come in to give us estimates. Bob's estimate was by far the best and the work he did was top quality. He and his guys moved my existing furnace to a new location int he basement and installed a new AC. They also moved the hot water heater. I am very pleased with his service. They were prefessional and respectful. Bob is a straight shooter. Absolutely no BS! I will be using him for ALL of my future HVAC needs. I HIGHLY recommend you call him and have him come give you an estimate if you need service, repair or replacement.
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"Ken called and asked to come early. That was fine. He did excellent work and gave me many useful tips and helpful advice. Very satisfied."

"Josh the owner put in my system. He was very knowledgable and professional. The price was very reasonable for the professional work he did. I would not hesitate to call him back if ever needed."

"Fantastic company!!! Mammoth removed my conventional HVAC and all ductwork while upgrading my home to an energy efficient split system.... which is amazing! My entire house is comfortable, the system is great and our overall energy bills have dropped! The Mammoth team were on top of their game and I couldn’t be happier with their service."

"Prompt and very professional. Being in a newly purchased home, we were unsure of the condition of the furnace, they were very thorough with their inspection and answered any questions we had. They were great! 
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"It went very well. He answered all my questions completely and installed in a timely manner. Checked my furnace as well to see that it was running efficiently. He went above and beyond to make sure everything was running properly. He did not try to replace things that were not necessary. He also corrected things that I had done previously by another heating and cooling company, which I overpaid for."