I will only deal with Comfort Air
After having a horrible experience with another company, and still no resolution to our low flame in our gas fireplace, we had Comfort Air stop by for a second opinion. They fixed the problem in less than 30 minutes (low flame was due to blocked burner orifice), provided AWESOME customer service, and only charged us half of what we paid to the previous company. I should also mention that they showed up at our place within 2 hours of calling them, which is incredibly fast for a non-emergency service call. From now on, I will only deal with Comfort Air. I would highly recommend this company!