I rarely write reviews, however, the service and workmanship I received from Richard and the team from CoreTemp was simply outstanding. I am very particular when it comes to quality and customer service as my standards are very high. Before logging onto HomeStars, I called three recommended Heating & Air Conditioning contractors who visited my house. I am in the midst of a large renovation in which I am turning my unfinished basement into a legal basement apartment. I determined that it would be a good time to replace my fourteen year old furnace and air conditioner and replace it with something more efficient. I also have bad asthma and needed advice with regards to what type of air cleaner I should install. Each of the three contractors had their own opinion, however, their solution just did not seem right to me since they could not answer half of the questions as to why they recommended it. The problem today is that even the well established Heating & Air Conditioning contractors send out "sales people" who unfortunately do not have the field experience required to recommend the "right" solution. I thought I would give HomeStars a try and found that CoreTemp had some of the best reviews. I called the number on the website and Richard answered the phone directly. He was extremely helpful and schedule a home visit the very next day. He was the only person to ask me about what was important to me and my family along with why I wanted to replace the entire system? I also learned that he is a licensed "Jouneyman pipefitter" which is basically the highest level you can get. A Journeyman pipefitter deals with industrial/commercial/marine piping and heating/cooling systems. Based on that kind of experience, my home install would be a piece of cake. At the end of our conversation, Richard gave me a full quotation "on the spot" along with his recommended solution which included a Lennox HEPA Filter and pleated MERV 11 filter to address my asthma concern. Richard's pricing was very fair and his workmanship was the best I have ever seen. He installed a tankless water heater (to save space) which I absolutely love since we are finishing the basement. He also installed a "Lennox iComfort" thermostat that works perfectly with the system and allows me to adjust the temperature in the home via my smartphone while I am away. He also followed up with me on numerous occasions to ensure I was enjoying the system along with fully understanding it. These guys are the real deal and would recommend them to anyone looking for a new HVAC system. Thank you for everything. A+++