I recommend highly against this company. While the prices seemed fair, the tech did not seem competent (in being a tech, he was a very good salesman) and the tune-up/inspection was incomplete. When they arrived to do the work they were fairly professional. They looked at my system very briefly, did not perform a temperature delta test between supply and return, did not clean any part of the system. They almost immediately pointed out the older flex ducts and recommended replacing them. While I realized airflow was poor on some registers and rooms were cooled unevenly (when the system worked properly), I stated that I didn't want to spend that kind of money on the repairs. The tech used every sales trick in the book, from assumed selling, to the "friends and family" discount, to "since I really like you", to "we'll wait while you call your wife and discuss it", they teamed up to pressure-sell the duct replacement. First I had them just top off (3lbs) of freon and call it a day. I finally gave in, signed up for a sort of credit card, and scheduled the installation. <br /> The major project I had them perform, an R6 flex-duct replacement in my attic, was done poorly. I treated the installers well, providing a safe telescoping ladder, a clean bathroom, and a pitcher of ice-cold water... and they provided me with shoddy duct work, which I found out much later. Anyway, after the duct installation my system still didn't run well. I asked this company to come back and complete the inspection/tune-up, an appointment that was forgotten once and rescheduled three times. Punctuality fail. Now I've called the office a couple times, promised callbacks which never happened. Oh yeah, and they didn't cover my supply registers during the duct install, so now there's fiberglass insulation and other attic debris all over my carpets. <br /> When they finally came back to complete my tune-up/inspection (the same guy) he complained about being sent out after hours (his fault, having forgotten and rescheduled my appointment repeatedly), briefly performed a temperature delta test with an IR thermometer, didn't tell me what he found, then placed his hand over the running heat pump and said it wasn't hot enough. He told me the system was incredibly old and needed to be replaced. I then pointed out the heat pump he was looking at was only 2.5 years old. He was surprised and sort of taken aback, and said he wouldn't work on it because it was manufactured in Mexico and it was a brand (Payne, part of Carrier) he didn't recognize. <br /> Since then I've had three significantly more reputable HVAC companies inspect my system, and all three of them found, without me prompting or hinting them, that the duct work looked crappy. They each pointed out that they used duct tape instead of metal tape to secure the return duct to the air handler, and they didn't use any sort of sealer. All three made other similar comments about the ducts. All three pointed out that the compressor was probably fine, the coolant pressure was vastly too high, and that the system was overcharged with refrigerant, which could damage the system. All three agreed that the problem was the old (probably original, 25yrs) air handler whose coil was iced over after hours of operation, and that it should be replaced. None of this was found/mentioned by Indoor Air Quality. <br /> Anyway, some more phone tag and an excessively long email later, IAQ has the balls to try to bid for my air handler replacement after the experience I told them about, and they're convinced I'm going to allow them to come over and fix my ducts, and probably sell me a $1000 UV lamp or something stupid. <br /> Point is, this company is way more interested in selling you stuff than with making you comfortable. Once they saw the opportunity to secure a $3k sale, they no longer had any interest in preventing my poor 7-months-pregnant wife from being miserably hot and sweaty in our own home. Take warning, and stay away from Indoor Air Quality - Calabasas. <br />