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Best boiler installation pros near Oceanside, CA

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    Verified boiler installation services reviews

Top-Rated Boiler installation pros in Oceanside - Updated Nov 2026

Avatar for Liberty Plumbing Heating Air Conditioning Inc
Liberty Plumbing Heating Air Conditioning Inc
4.9(
209
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Oceanside, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"

The technician, Steve, arrived on time and completed the hos bib replacement very quickly. During a test of the water system he found that the water valve was not operating properly. He quoted me a price to replace and determined that he had the correct parts with him and I authorized the work. It really helped that he could complete the job rather then re-scheduling another appointment. He flexibility and expertise in getting the repairs completely quickly saved having to tak more time off from work. I would definitely recommend Liberty to others.


"
Response time8 hrs
Response rate100%
13 neighbors recently requested a quote
Avatar for Carini Home Services
Carini Home Services
4.7(
381
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Oceanside, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"We were impressed with Jason’s presentation of the Mitsubishi system, and we really appreciated learning about the HERO program from him. We got a good estimate,ate for the work but were planning to do our roof repair first with adding solar and thought we would do this job after. Things worked out with that Jason got our work scheduled and done BEFORE the roof/solar which worked out because in Sept/Oct we still had some hot days, Thie crew was professional and extremely hard working, and poor guys, in hot weather, sweating in our attic/crawl space. Which they left with improvements! The system was up and running (2 downstairs units, 4 upstairs) in 6 working days. After a week we did have a problem, nothing worked and they came out promptly to troubleshoot, ordered new circuit board and installed as soon as it arrived. Been running fine since then, and this is also heating so I am looking forward to heating with solar instead of gas."
Using the sewer camera to inspect the inside of a customer's drains
Camera inspection through a sewer vent on a customer's roof
Hydro jet uses water at 4,000psi to clean the inside of the mainline drain which connects all the home's drains to the city's sewer system.
Using a snake we can go through the cleanouts on the side of the house.
With the cleanouts snaked, and the blockage located, we can send the hydro jet through the sewer vent and flush out the blocked drain.

+16

Response time10 mins
11 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for All Day Heating And Air Conditioning
All Day Heating And Air Conditioning
5.0(
16
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Oceanside, CA and surrounding areas

Approved

In business since 2010

Credit card accepted

Customers say: True professional

"Josh Medina was very professional in his assessment of my job, was prompt in providing a quotation, and did the installation in less than a day. The price not only was less than four competitors, but also included an upgrade to a two-stage system. I could not be more pleased with the entire job, start to finish. These guys know what they are doing."
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+14

Response time4 hrs
Recommended by100%of homeowners
Avatar for Jax Mechanical
Jax Mechanical
4.8(
27
)
Electric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install - For BusinessOil Boiler or Radiator Heating System - Install - For Business

Serving Oceanside, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I would absolutely use Jax Mechanical in the future. Justin and Zac were very professional and thorough. I was very hesitant, due to a previous bad encounter with Service Master. Justin and Zac were patient and not condescending. Michael was quick with the bid/estimate and I am grateful for their service. If you need a water heater installed, be assured that Jax Mechanical is the only call you need to make."
Residential work
Residential work
Residential work
Residential work
Residential work

+15

Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Sky Clean Air
Sky Clean Air
4.7(
21
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Oceanside, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

Sky Clean Air is family owned and operated. Customer satisfaction is our #1 goal. We aim to provide the most professional and affordable service possible. Our team of experienced technicians use the most advanced equipment to get the best results in every service we provide. We specialize in HVAC services, air duct cleaning, dryer vent cleaning, duct replacements, attic remediation, system installations, maintenance and repairs. Call us for a free in-home estimate today!

Air duct full of dust and debris.
Cleaned duct
Additional Photos
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Additional Photos

+24

Response time11 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Cool Air For you
Cool Air For you
4.1(
17
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Oceanside, CA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

With over 22 years of experience, we are heating and air conditioning company working in the Greater San Diego Area. Our company strives to provide the best service for reasonable prices. We are a manufacture approved company and certified for ductless and VRF systems by Mitsubishi. Our technicians train on all brands of heating and air conditioning systems. Our goal is to provide all our customers with the friendliest service, based on knowledge and timeliness. Give us a call today for your free estimate!

Additional Photos
Response time8 hrs
15 neighbors recently requested a quote
Recommended by80%of homeowners
Tarpy Plumbing Heating & Air
4.9(
105
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Oceanside, CA and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Excellent - We wanted to change our AC/Gas furnace system to a heat pump system and decided to use Tarpy. They provided a very comprehensive review of our needs, and spent additional time with me on the phone to help me choose the best and the most cost effective system for installation. Chris and David arrived on time and were very efficient with removal of the old system and installation of the new. They also corrected a couple of errors due to the previous installation (correcting bad welding on the Freon line, and installing a correct condensate discharge). Chris and David clean up the work area and answered any of my questions before they left. The system has been working great. Thanks Chris and David, and Tarpy!"
Recommended by96%of homeowners
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Install Boiler FAQs, answered by experts

Boiler installations and replacements cost between $3,600 to $8,400. Expect to pay around $5,900 on average for a new boiler, including installation. Adding new radiators or heaters to the boiler may include separate costs if you are also upgrading those components, so the final price may be higher. To decrease costs, you can look for local energy rebates for using a boiler and wait until installers are offering discounts for a first-time installation.

If you're often struggling with radiator issues like chilly spots, leaks, or annoying noises, those are common indications that your radiator may need to be replaced. Corrosion, uneven heating, and persistent hissing sounds are common issues as well. When repairs become a regular chore and your home’s energy bills start to rise, a new radiator will bring the comfort and savings you need.

Costs range from $3,000 to $7,500, depending on system size and efficiency.

On average, you’ll need about two gallons of oil per day to heat your house when it’s 50 degrees Fahrenheit outside. Most oil tank capacity is about 275 gallons, and heating your house with two gallons of oil per day will last about four and a half months. This consumption will vary depending on the climate and average temperature in your location. For example, if the winters are longer and colder where you live, you’ll probably need to refill your oil tank at least once to get through the winter.

An expansion tank must always be installed on the supply side, which is the side where the boiler sends water out to heat the systems. That placement allows the water to push against the air and condense properly as it is heated, then circulated through the system. Professional installers can recommend the best place on the supply side for an expansion tank.

The Oceanside, CA homeowners’ guide to boiler installation services

From average costs to expert advice, get all the answers you need to get your job done.