Excellent Sep 15, 2016

Excellent! I use this in combination with solar. I really like this one - we have three others.

Great Product Feb 24, 2016

I have two of these units. The first one I bought was for my Business to handle Domestic Hot-water (via Heat exchange and snow melt operations) Units has been up and running for 2 years with short run cycles from 7-15 Mins.... (not a good thing) but it has held up like a champ. we use 160f water for our low temp dishwasher. Then a heat another Heat exchanger for the Snow melt system. The second unit is a GV90+6 That one is for my home Heating system, This one has been installed for... more

Boiler Jan 29, 2016

Hello! So far i didn't install yet because i'm still waiting my cousin to do the soldering. I'll let you know when we finish so i can give you review.Thanks.

Thank You. Aug 01, 2016

Unfortunately, it took too long to receive my furnace. I guess I didn't understand the delivery/shipment process. However, the furnace is working well and I am thankful for that.

Great Heater Dec 20, 2016

We install a few gas furnaces. They are working excellent. Thank you.