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.

Better Than I Expected Aug 16, 2016

Installed this system in a uninsulated summer cottage. Quick to install, I had to do some carpentry work to re-support the ceiling where I cut out 2 x 2's but when I was done it really turned out better that I expected. I'll definitely buy Gree again and will recommend EComfort to all. They were the absolute best.

I Ordered A New Boiler, You Delivered . . .peace Of Mind! Sep 19, 2016

Several years ago my wife and I purchased an old 3 story Victorian style home in Norristown, PA. The house had an old oil fired steam boiler that literally vibrated the floors every time it started. Well, last winter the old boiler sprung several pin hole sized leaks and shortly thereafter it failed. I started doing research and found your website, used your calculator and made the purchase. Once delivered, my wife and I took over from there with the installation. We went from an old,... more

Nothing But The Best Sep 25, 2016

I have 2 of the 30,000 btu units and one 75,000 btu unit. I couldn't be happier with their performance and reliability. I went with these over the competition because of the compact design and the quality that they are built with. The Reznor brand may cost more but I have dealt with other heaters that have failed and caused pipes in the garage to freeze. Now I can leave for days at a time without thinking twice about what's going on back at home in sub zero temps.

Burnham 203i - 52k Btu - 82.6% Afue - Hot Water Propane Boiler - Chimney Vent Review Aug 07, 2016

I have many years of good service with this boiler on propane, and never needed service.