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I didn't want to leave a negative review but I still can't get over my explanation why I was being overcharged. Also, I want people to know how ProSkill does business.
So my renter's told me their thermostat stopped working. I called ProSkill because I heard good things about them. I typically perform repairs on my rental myself as I am a contractor but I was out of town. My renter told me ProSkill was at my house in less than 10 minutes and had the thermostat replaced within 10 minutes (as I would expect). Unfortunately, it wasn't a programmable thermostat as that was what I had in the house. I had the renter send me a picture of the thermostat and I could tell it was a $19 Honeywell. The tech called me when he left the house and said it will be $139. Now this may not sound expensive to you but when you have rental house's, every dollar in maintenance and repairs add up. Let's break down that $139 for 10 minutes of work. The thermostat is $19 from home depot, which ProSkill probably gets them for $15. That leaves $124 in 10 minutes of labor from the technician. At this point I wasn't too upset about the charge but my renter was unhappy with the non programmable thermostat. I personally prefer non programmable thermostats but I'll do most anything that's easy to keep my renter's happy. So I called the manager or owner of ProSkill to explain why I wasn't too excited about the excessive charge for a cheap thermostat. After about 30 minutes of arguing it finally came out that his excessive charge for a cheap thermostat was because he's in the business of making money. As soon as I heard that, I was done. I don't know about you, but I think a company like ProSkill should be in the business of making the customer happy... the money part comes later.
Needless to say I had ProSkill go back to the house and remove their thermostat.
I ended up installing the Nest a couple weeks later and we're pretty happy with it.
If you choose ProSkill, get an estimate and remember, he's in the business to make money. Who knows, maybe the owner was just having a bad day or just didn't like me questioning his cheap thermostat and his $750/hr rates...

Our zone damper motors/actuators began to malfunction. Chase diagnosed the problem and replaced the affected units the following day. He was very polite and professional at all times. I plan to use A Quality HVAC for all future issues.

I had attempted to install an ecobee3lite thermostat and had difficulty and was stuck.
We had previously had Rising Sun air, out for an unrelated problem so I called them for help.
Pam in the office said she thought a technician was currently in Scottsdale and asked if she should contact him, I told her that would be appreciated.
As it turned out the technician could be at my house within the hour (my lucky day) to help me out.
As it turned out he determined that my air conditioner was incompatible with the ecobee3lite themastat, so he reinstalled my original thermostat for a modest service fee.
I'm totally happy with their service and personal and will highly recommend them to family and friends.

The communication with the office and the field technician  could not have been better or clearer.  I'm very satisfied with the service and will be sure to highly recommend them to family and friends.

WOW, they did it again and it's been 2 years since they helped me out.  Great and professional service, very knowledgeable, masked, courteous, on time, cleaned up well, and the icing on my cake was they had the best prices, the closest was almost 10% more and I got a Trane to boot which I was wanting. Keith is the man, talk to him, you won't be sorry!

Tracy was very prompt and found some issues during a routine HVAC inspection and tune-up on two of my properties recently. Explained what was wrong. The bills were very reasonable. He is my go-to HVAC man for all my properties now.

Ive had Airtime come out twice this sunmer for my rentals, both Josh and Travis were awesome. They came out the day off and resolved all issues in no more than 1-2 hours. It was great to find them on yelp.

Used them two two times for same day service needs - very responsive and professional staff.

CW Air Conditioning and Heating is a great company!  They delivered everything they said they would!  They were professional and friendly!  The owner Chris was always available to take my calls and cares about his customers!  I highly recommend this company!

Jimmy the owner got a hold of me right away after I submitted a request for a new A/c unit. Every step of the way he was professional and super helpful. They came out and did an amazing removal of old unit and instal of new unit in a short time. I rarely review anything but these guys are the real deal! I highly recommend them!

I had a pipe leaking in my front yard which appeared to be coming from the main line out of the meter box.  I called Hansen Family Plumbing from work Monday morning after doing a quick Yelp search, they had somebody at my house a little while later telling me what the problem was and giving me an estimate (which was so reasonable that I was relieved to hear it), and a couple of hours later it was fixed. They called me to let me know it was done, I gave them my credit card info over the phone, and when I got home I no longer had a plumbing issue to worry about and everything looked great!  Next time I need to call a plumber, I know who to call.

I used Desert Diamond's services a few years again on another home for an A/C replacement and was happy with their prompt service.

My review is for my most recent experience: My upstairs A/C went out and my tenant decided to call Desert Diamond for a repair. They were pretty prompt to come out (the only reason I gave 2 stars instead of 1) and look at our unit and assessed that a line was blocked, supposedly fixed that and recommended a new A/C. The A/C still wasn't working well after the repair and I just assumed that it was because I needed a new A/C unit ASAP. Their A/C quote prices were quite high, so I decided to get another quote for A/C. I got better quotes elsewhere and decided to go with another highly rated company. Since the other company provides a temp solution until they are able to install, they sent a tech out to find a solution for my tenant. Turns out the tech from Desert Diamond was wrong and there was a completely different issue (valve not working properly) than the one that he supposedly fixed. The tech from the other company had the A/C up and running with my current unit. After this experience, I recommend getting another opinion before being talked into a new A/C from Desert Diamond.

Highly recommended for Cooling and Heating services! I just had a complete new system installed and I couldn't be more happier. The process was easy from start to finish. The prices were great along with the service I received. Personable, professional and reasonable.

The most important word I can use to describe Northvalley mechanical, and one that is so important to us all looking for air-conditioning service, is... ETHICAL!!

I recently used Northvalley mechanical through my homeowners warranty service and they did an excellent job. I know just enough about the workings of an air-conditioner to not get duped or ripped off. (At least I think I do... LOL) I already knew that currently my air-conditioner had been working on the fix of a prior warranty repair before I bought the house. That repair had jury rigged two capacitors where there should only be one. This was the unit that went down. North valley mechanical fixed it how it was supposed to be instead of putting just another Band-Aid on it.

I was very impressed with the tech and told him as much. He said that he felt it just wouldn't be a workmanlike manner if he did not do it right. Warranty work or not, North Valley Mechanical will be my go to air-conditioner maintenance company from here on out.

I had a few bids to replace the AC on my rental property and Brett came in way below everyone else. He reused the things he could to keep the cost down. He was easy to schedule with and super easy to deal with. Very friendly and answered all my questions. Highly recommend :)

My first experience with A/C Doctors was when I was a renter. They were so kind and professional to me during that time that they were my #1 choice for A/C service when I bought my home. Each encounter I have had with them over the years has been nothing short of perfect. It has been an absolute pleasure to interact with each person- both over the phone with office personnel and with the service technicians in person. They are fair, punctual, efficient, and honest. They have come last minute, late at night, helped me with preventative maintenance and emergency service, saved me money, given me peace of mind - you name it! When dealing with something as crucial as air conditioning in Arizona, it's imperative to use the best.  I truly believe A/C Doctors is the. Best. The many friends and family I have referred agree with me as well. Thank you A/C Doctors!!!!

Moved into a new home and needed some electrical work done. They finished in a reasonable time and the price was very fair. I'd definitely recommend them for my future projects!

Attempted to install new thermostat yesterday later on a Saturday things went sideways couldn't get new unit and then even old unit wouldn't turn on.  Freddy's came out promptly 1st thing Sunday morning very polite technician found a blown inline fuse and properly wired new thermostat works great well done Freddy's!

Had AC problems and had another company come over to diagnose and the told me the compressor died and it was time to replace my 20 years unit. I decided to ask for a bid through Yelp. John from True North was very prompt with a very competitive quote. He showed up the same day and checked the unit and not only gave me the official estimate but was able to get the old unit working again. I still decided to have a new unit installed with them. John was very professional and honest. They even spent the time showing me the work they did in the attic. He gave me all the information I needed and was not looking to hook me up with more than what I needed. Highly recommend them for your AC needs.

Service was probably acceptable. Who knows until it breaks again. But the service men were rude, the HOA got complaints about the noise and one of the men was apparently rude to a complaining neighbor. Wasn't worth the hassle, frankly.

Is there a negative star review?

Service man came out tried to tell me it was a 3K+ job OR a 3.5K job if I didn't join their good guy Goettl Club REALLY? A club? I told him I wanted to get a second opinion.

Told him no thanks, got the second opinion and it was half of what the service man quoted me. Shady people!

ETA: Thanks Christina for responding two years later much appreciated - However it has now been two years the air conditioner is still working and the company I got it from does a free check three times a year so I am happy! Again, thanks for the response almost 2 years later.