Best High-efficiency Filters in Las Vegas NV

THE most honest technician I have ever met in years. He could have charged me a svc fe and told me anything to make money on a job. But this angel came here and explained the hows and whys of my system and that it works fine.. it's only the low temps that are causing the problem. As soon as it was warmer outside, the heat started working fine. I will call on Yes! If there is ever an issue!!! Thanks guys!