"These people are excellent. Several years ago we had them replace our boiler for hot water heat and add a Mitsubishi mini split system for our first floor so we could do away with poor and expensive A/C via numerous window units. We fell in love with this system as it is a heat pump and will not only give us good A/C at a fraction of the operating costs, it will supplement our gas boiler in the winter so it doesn't cost so much. We contacted them in May because we wanted to extend this to the second floor. It was a complicated installation because of the quirks of our home, but they took care of it and got us some discounts on top of everything. Dan and Dave are easy to work with and good problem solvers. The system works great and looks good! We highly recommend them!"