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"Great work, provided a good explanation of unit choices, competitive pricing, all installers friendly. Only hitch was thermostat installed in wrong place but no problem coming back out to move it to the agreed spot. Good cleanup."

"The salesman was chummy; the bid submitted was in the middle of the pack pricewise. With Brower's great reputation that was enough for us. Before we committed the salesman threw in a free upgrade of one A/C from 2 tons to 3 tons and offered to enlarge our upstairs air return (the 3-ton A/C was for upstairs) to improve airflow. This was done over the phone - a key point. The next step was a pre-site inspection. No problems arose, and I asked the guy if we really needed to replace our existing Lux thermostats - as the salesman had said - and this guy said we didn't need to. I mentioned the salesman upgraded the upstairs A/C to 3 tons and this guy suggested we get that in writing on a revised bid that removed the thermostats. We did so; the new bid was $200 less. Next was the install. When scheduling it I said that we could not let workmen in before 9AM because we have to drop kids off at different schools at 8:30. I also wrote this on a fax I sent the day before the job started as I had heard nothing to confirm they knew this. At the end of that same day I called to touch base on the time constraint as I still had heard nothing; I got a different salesman who said he'd let the installers know since they usually start at 7AM. At 7:20AM the next day the installers arrived, oblivious to our time restriction. They started outside and we let them in the garage - but not the house - while we were shuttling kids. We let them in the house at 8:45 and things went smoothly from there. At day's end I asked when they were going to enlarge the air return and they were all "Huh? You better call the sales guy and get his OK on that". I did and I got an EARFUL from him. The salesman was irate that I was asking him to back up his verbal commitment to enlarge the air return for free; he was mad that I couldn't let his guys in at 7:20, asking "How fair is that? I paid my guys to do nothing for 2 hours in the morning and you ask me for this?" He finally, grudgingly relented. But I have NEVER been so insulted by a contractor, and we have used LOTS of contractors. The second day of install was smooth. The guys showed up at 9AM, worked late and did an extra task - covering outside pipes to the A/Cs with a sheet metal cover - which I asked for as a paid change to the bid the prior day. There was stucco and drywall touchup remaining but overall I was pleased with the work. The installers even included extras where needed despite the extras not being explictly included in the bid. They cared about doing it right; cost was not a concern. But the horror that I met when I went into the attic later! Debris all over - screws, straps, sheet metal pieces, even 4' of old metal ducting they had replaced just sitting there. I spent 2 hours cleaning up, and was so mad I sent an email to Brower with lots more detail than this. Brower responded with gusto and did what was needed to rectify the situation, fixing about 6 small issues I had found."

"My water heater went out and needed a new one Ruben and Maurice came to my home And quoted me on my options I ended up going with a new style tankless water heater I can’t be happier with how it performs and the installation process Will definitely recommend this company to my friends and family"

"They installed a furnace and had to keep coming back to adjust it and even replaced a part. The warranty ran out a year later. But now, a year and a half later, they replaced it free of charge with a different brand."

"They had a good program for heating and A/C like for $100 they come out and check in the fall to make sure the heating is running right and again in the spring to make sure the A/C is working right. They did their job. It was cheaper than anyone else and I got 2 services. The only thing they could do better is give me free heating and air conditioning."

"I have an old pressure relief valve replaced today. the service person was great, and the installation went really well. My main complain was the price after I did an online comparison. usually, the PRV installation will cost around $500 on the high end, but Bell Brother charged me $1600 since the new valve does not fit the old pipe, and they needed to redo the pipe. My family has been using bell brother for many years, we trusted their workmanship, but the markup is just too steep to justify. I definitely learned my lesson, for small jobs, will use home-advisor instead."

"Great job, great price, quick response and Kermit was as down home and nice as could be. If I ever have any plumbing issues I will call them for help and wouldn't hesitate to refer them...in fact, I already have."

"When it became clear that my existing HVAC system needed to be replaced, I initallycontacted thecompany that was the original maintenance contractor.  They made a proposal for system replacement, but, would not give me a paper contract explaining the complete work to be provided.  Indeed, said contractor proceeded to try to sell me additional items I did not want or need.
I subsequently called Diamond for an estimate.  Bob came to the house and thoroughly explained various options and provided
written contracts for the alternate proposals.  The straight talk approach was really appreciated (especially after the snake oil salesman from the prior vendor).  After a day's review, I authorized Diamond to proceed with the installation.
The Diamond staff showed up on time and finished the installation by the end of the second day.  They were extremely professional and patiently explained what was happening at each stage of the project.  Behing the professional staff, Bob an Elaine Weatherford remained in contact to make sure that I was happy with the work.
My only concern after the project was completed was the interaction between the new system and the smart vent system.  Bob and his staff made sure the my concerns were resolved.
I unconditionally recommend Diamond HVAC sysems to anyone who wants to depend on dealing with honest, no nonsense, business professionals.


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"Outstanding! Bid process fully transparent, proposal guaranteed labor, materials and equipment for decades to lifetime. Installation team of Carlos and Roland outstanding. Carlos kept me informed throughout and got my input into key decisions. Nice people, hard working and honest."

"Outstanding & Professional Service!  I bought a new HVAC unit and was very pleased every step of the way.  I highly recommend Ray O Cook."