I had an excellent experience working with iHummingbird. I was familiar with the products from them, and I think that they offer excellent service and value. The staff is incredibly professional and they know what they are doing, so I like doing business with them. I received a nest thermostat from them and I was able to get exactly what I needed. Overall, I would give them five stars all around and I would absolutely recommend them to future customers. They do great work and they have an excellent business.