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."

"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."

"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 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."

"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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"The team of four was very professional and performed an excellent job in a record period of time. Just one day to take the old furnace away, replace all the old boots and duct work and install the new furnace. They paid a lot of attention not to damage or dirty the floor/carpet. I am very happy with their performance. They may not be the cheapest on the block but it was all worthed and you only have to do that once in your lifetime."

"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."

"I am very pleased with the service I received from Bellas Plumbing. Bill installed a new faucet in my kitchen. The service was quick and the cost was very reasonable. I will use Bellas Plumbing for all of my plumbing needs in the future and will recommend Bellas Plumbing to family and friends. Thank you for giving Bellas Plumbing my name."