*The Angi rating for Boiler Installation companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.
*The HomeAdvisor rating for Boiler Installation companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.
Last update on September 29, 2025
Serving Walnut, CA and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Global Green Solutions did an excellent job installing my Central A/C system. The team arrived on time, worked efficiently, and completed the installation perfectly. My home is now cool and comfortable. Very satisfied with their professional service."
+24
Serving Walnut, CA and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"Consultation was very smooth. Never pressured into purchasing. Rod was very informative and helped me find the right product that fit in my budget. Day of installation: All employees arrived 10 mins before the window. The unit was installed the same day and the crew cleaned up like it was there own house. Very happy with the decision to use Air-Tech. Do not hesitate to use them. Friendly and I will continue to support family owned businesses."
+8
Serving Walnut, CA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Technician David came out today and provided EXCELLENT service on our central AC/heating unit. He was very professional, courteous, quick and super knowledgeable. I learned so much about how the heating system worked. He installed a new package unit on our roof, new ducts throughout the house, and all new insulation. we are very pleased with the services provided from the right choice. thank you guys once again!"
+56
Serving Walnut, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"Mike came out and helped us with our plumbing issue, great service!"
+26
Serving Walnut, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"I am thoroughly impressed with the exceptional service I received from HD Mechanical! Their team recently installed mini splits in my home, and the entire experience was seamless and professional. From the initial consultation to the final installation, their expertise and attention to detail were evident. The installers were courteous, informative, efficient, and ensured a precise installation. The mini splits are now providing comfortable and quiet heating and cooling, exceeding my expectations. I highly recommend them for their accuracy, professionalism, and top-notch service. Five stars and a job well done!"
+14
Serving Walnut, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"I needed my HVAC system urgently repaired, the technician arrived promptly to resolved the issue. They were professional and knowledgeable and gave me honest recommendations & also was very helpful. Highly recommend! Thank you!"
+22
Serving Walnut, CA and surrounding areas
In business since 1970
Warranties offered
"The service person was great! He was very knowledgable. I talked with him about what was wrong and he knew his stuff. He recharged the system and explained what the coolant level had dropped, causing part of the system to freeze. It was a simple fix and he finished quickly and was on his way. I was impressed."
Serving Walnut, CA and surrounding areas
In business since 1994
Credit card accepted
"I needed an oil change done on my Mercedes. Dave the owner made sure he had all the right spec fluids for my car when I go there. Connie the friendly receptionist was friendl and efficient.. I was in and out quick all fluids topped off, and potential problems brought to my attention, no sales pitch just good old fashioned honest people. We'll do business with them again. Highly Recommended
"
Serving Walnut, CA and surrounding areas
In business since 1998
Free estimates
Emergency services offered
"PERFECT INSTALLATION WITH VERY PERSONABLE AND RESOURCEFUL PROFESSIONALS. I WOULD RECOMMEND THEM HIGHLY"
+15
Serving Walnut, CA and surrounding areas
In business since 2008
Credit card accepted
"It went well. He was on time. He didn't find anything wrong with my system. He said the amount of freon in the system was just right--not too much and not too little. I liked that almost no freon appeared to leak out when he connected his equipment to test the level. He spent a lot of time with me and answered all my questions. He gave me an estimate for the cost of installing a new system. I think he hoped I would buy a new system, but I did not do so. I would buy a new system if I could convince myself that the electricity savings would pay for the system within a reasonable number of years.
"
+8
The average cost to install a new water heater is around $1,300, but you can expect to pay between $875 and $1,750, depending on the kind of water heater, the size of the unit, and the professional chosen to complete the work. Tankless water heaters can push your price higher, as installation is more complicated, with prices as high as $3,500. The location and accessibility of your water heater will play a role in the project cost, as those sitting in tight spaces like a crawl space will drive up your labor costs.
Yes, most states require plumbers to be licensed, and for good reason. Hiring an unlicensed plumber could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
It usually takes a professional water heater installer between two and three hours to remove an existing water heater and install a new tank heater. However, it could take four to five hours if they have to work in a small utility closet or another tight area, like a crawl space. Tankless water heaters have a more complicated installation process, so they will take a bit longer. Additionally, a gas water heater requires a connection to a gas line, and that alone can add about an hour to the installation timeline compared to installing an electric water heater.
It is very difficult and dangerous to install your own water heater, so we strongly recommend against tackling this as a DIY project. Not only will you need to wire your water heater, but you’ll also need to connect plumbing to the intake and outlet. Sweating copper pipes and connecting wiring properly are skills most DIYers don’t have, and even if you do feel confident you can do it, working with water and electricity always leaves the potential for electrocution. Hiring a local water heater installer is well worth the investment.
The average cost to hire a plumber is around $100 an hour but can vary between $45 and $200 an hour depending on the plumber’s experience and the repair that you need. It’s also important to note that these prices can go up on holidays, and emergency plumber rates average $150 per hour, in addition to a flat-rate trip fee of $100 to $350.
From average costs to expert advice, get all the answers you need to get your job done.
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