Second Gree System May 02, 2016

These are high quality and very efficient units. They are also extremely quiet. No noticeable change in the electric bills.

Quality Nov 19, 2016

Have used Runtal UF series before and the quality is excellent. Now if they could sneak more BTUs per foot.

Owner, Custom Made Aug 06, 2016

I replaced a Dunkirk XEB-3 (20 yrs. old) with the Dunkirk boiler above. The new one is all most identical to the old one, that is the pipes were located same as the old, so gas and water lines were easily plumbed. The old electrical wires could be used although lengthened to connect to the digital controls. The circulators location has changed, it's still provided with its wiring provided. Venting is the same as the old one. I was happy to get another Dunkirk that installed easily.

Excellent Product Jul 27, 2016

Have had it up and running for about 4 days now, and have had no complaints. Using this for the main source of heat in a single wide trailer in the state of Maine. Got this for my sister and she called me last nite, temp was in the 20's outside and inside was 75 degrees, warmest she has ever had it in the cold weather since she has lived there for 30 years. Even one of her cats is not sleeping with them now, she is sleeping in the cat toy next to the furnace.

Best Inventment Ever! Aug 19, 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