Reznor Udap-400 Power Vented Gas Fired Unit Heater - Ng - 409 Stainless Steel Heat Exchanger - 400,000 Btu Review Sep 03, 2016

I have owned this same 400k btu unit for 8 years and it is the best purchase that I have ever made. It is used in a commercial setting and has never had a problem or service call. Reznor quality is second to none and definitely worth the extra cost.

Reznor Udap Series Sep 23, 2016

We purchased 75,000, 120,000, 150,000, and 200,000 BTU units, 28 units in total. The 83% efficient rating helped us offset the cost of the upgrade by being eligible for a rebate from our utility. All heaters were installed and work beautifully. The heaters look great! They are installed in a warehouse with great WIFI access so we controlled all 28 individual heat zones using 28 WIFI thermostats from Honeywell. Couldn't be a happier customer! Now management has control of all 28 heaters with... more

Nice Choice Dec 16, 2016

The radiators went together very easily with the connections provided to the heating pex and there were no leaks. very easy to bleed. they provide much more heat than I was getting from my old wall convectors and seem to retain the heat a long time after the boiler is off. Not hard to hang either as long as you separate the hanger prongs in increments of 1/2 inch. Also, my wife was pleasantly surprised by the appearance

Seeley Dec 23, 2016

Very easy to install... working great... no issues... If this works as good as it is now for the next 10 years, as it is warrantied for, I will be getting another just like it... Wonderful furnace!

Best Inventment Ever! Aug 20, 2016

Our main house is cooled by a 2.5 ton conventional a/c. I replaced that unit in June with a new American Standard (Trane) a/c. On the back of the house is a Florida room 44' x 12' that was not air conditioned. Three sides of the room are sliding glass doors, circa 1989, overlooking a lake and facing east. The summer sun and Florida temperatures made the Florida room un-usable during the daylight hours. A load evaluation recommended a 3 ton unit to cool the Florida room. After much... more