Most recently, I used Erives Heating for the third time, because our water heater was leaking. This was, of course, an emergency, and I was very impressed with their quick response time, and subsequent efficiency. Within fifteen minutes of my call, I believe, someone was at my house, resolving the problem, even though it was ten o'clock at night.
Really, every experience I've had with them has been satisfying. Their employees are always friendly, and consistently on time. They have competitive pricing, and I would definitely recommend them!