Depending upon where you live, some things are simply essential. You're not going to live in North Dakota without a heating system (quite literally, without one after the first winter you won't be living).
Up in the high desert of Utan you need your A/C which might be why this salt lake city, utah air conditioning company is doing so well. Growth over 14 years to 85 employees is indeed doing well....but actually, I think the reason they're doing so well is that they've got, understood, the most important thing about business. It's the employees that make the company, which are the most vital asset. That's what enables a company to grow.
Given that they've got that they're almost certainly a good choice if you need those sort of services in that area.