Get matched with top boiler installation pros in Represa, CA

"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."

"Garrett and team were excellent, they provided top professional service at a reasonable price. I am very happy with my new furnace and the whole installation process. Highly recommend!"

"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"

"If you are in a jam, up against the wall, desperate or just plain don't know any other plumbing resource, then call Bonney. They are fast, courteous, professional - and outrageously expensive.
We called for plumbing help Friday AM and they sent someone out Monday. The plumber was here first thing, diagnosed the problem and wrote up a proposal. It was steep, but he was ready to solve all our plumbing problems, one stop and no more fuss - so I approved it.
In less than 90 minutes he had cleared the urinal drain and installed a new kitchen faucet. The faucet is exceptionally ugly, the worst Home Depot model possible. My mistake for accepting his choose A,B or C option. Although he indicated he would have to remove the urinal from the wall to access the drain line, I think he had a change of mind - the drain was rodded through the outlet after all, no removal - about 10 minutes work.
The bill was $1260. The (ugly) faucet was a $100 Home Depot special, call it $260 with steep contractor markup. That means his 90 minutes of labor was around $1,000 or $666 per hour. I wouldn't pay a divorce attorney that kind of money, even if I was Gwyneth Paltrow!
No complaints about the work or the professionalism - but man that price.
As George Bush once said, and quot;Fool me once, shame on you. Fool me twice, ... I won't get fooled again.and quot;

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"I had them for years. They installed my furnace and air conditioner. They service it every year. The furnace is 10 years old. I have the annual contract for both. I don't remember the cost exactly. Everything works fine. If I ever had any issues, they send somebody back to look at it. They work like a lot of these jobs where they have a window, like 12-2 and 2-4."

"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."

"Although the heat exchanger was still under warranty - the labor intensive job to remove the old one and install a new one wasn't. The labor was $929.00 to complete this all day job. I decided to replace the inducer motor at the same time since it was only a matter of time until it failed. I called Zak - the general manager and he agreed to give me a long-term customer discount. Steve Brown, my service technician notified me that morning when he would arrive and was right on time. He was easy to work with, showed me the wear to the units and explained what he was doing throughout the installation. After removing the heat exchanger, Steve pointed out the evaporator coils needed to be cleaned and gave me a discount for that work too. No one likes an expensive HVAC repair bill, however Ray O. Cook worked with me to ensure it went as smoothly as possible. I highly recommend them and will continue to use them in the future."

"I purchased the deal and because I wanted to convert from traditional wood fireplace. They could do the gas installation in the fireplace but they could not assist me with the damper."