We got the name of this company from our neighbor who had just replaced his air conditioner/heater. He said he was very happy with his unit so we thought we should get a bid from them too. We had 2 companies come out for bids and picked JAK Services. We bought (2) 18 seer, variable speed units from American Standard. Everyone at JAK services were very nice and helpful. David even helped us get low cost financing for our project thru Wells Fargo Bank. They were very punctual and showed up when they said they would. Their office even sent an email letting us know they were on the way. The whole job from the bid to the install to the city inspection went smoothly and we love, love, love our new air conditioner/heater units! I especially like the new thermostats that I can control from my phone so there is no more getting out of bed at night to adjust the temperature. Plus, the thermostat has an "Auto" mode that will turn on the heater or the air conditioner depending on what the temperature outside vs what the inside temperature is. This is great feature to have for our Texas climate that is cold in the night/mornings and hot in the afternoons. I can't wait to see how much our electricity and gas bills drop because we upgraded our units to energy efficient 18 seer units! All in all we think this is an awesome company and would definitively choose JAK Services again!