i think i have been with hunter for about 10 years and i can honestly say i have NEVER been displeased with the quality service they provide. once again the young man that came to service my heater was just as good as gold to take care of me. i am impressed with the politeness & courtesy of the techs. They always say yes maam or no maam which i find rare in our society today. they always have covers for their shoes so as to protect my floors. I have used them for air conditioner, heating unit, and even plumbing. I highly recommend them.