Business ProfileforDRF Water Heating Solutions

We had an on demand heater that completely died. The first ****** to visit was a sale's ****** that quoted +$6000 to replace the existing heater with a new on demand. First ********* arrived and tells me he can't install tankless because of the exhaust vent too long and not fresh air source. I was then quotes @$5000 for a tanked heater.Second ********* comes and installs the new heater and recirculating pump. Here are my problems.1. Recirculating pump is hard plumbed on the cold side flowing toward the inlet check valve. doesn't seem useful to have water recirculated 6-8 inches. When the cold water is turned on, the water source coming from the check valve is around 60psi. It makes the recirculating pump run backwards. The remote sensor valve was not installed for the recirculating pump.2. Plumbing pipes are not mounted to the wall, just swinging. Its depending on the solder joints of the pipe to hold it up. 3. Charge a $650 conversion fee to cut the old one out and plumb the new tank? I went from tankless to tanked. What conversion went on here? The hot and cold lines were cut. Old tanks removed and new one plumbed in. Not much different then Tanked to Tanked. I could understand if I were going tanked to on demand. I almost forgot to mention. I've contacted them 3 times and gotten no response.