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Top-Rated Swamp cooler service or repairers in Corona - Updated Nov 2026

Avatar for HD MECHANICAL INC
HD MECHANICAL INC
4.9(
32
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"I’m so glad I called HD mechanical to have my thermostat fixed. We set a time to meet up and he was there on time and very professional. He was very thorough with his work and explained to me all the work he performed. He even checked and serviced my unit, showing me that my filter needed to be changed. Would definitely recommend to anyone who needs and service/repairs done."
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Additional Photos

+14

Response time6 hrs
Response rate100%
62 neighbors recently requested a quote
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.7(
36
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Alpine plumbing replaced my main water line for a great price and in a very timely manner. They are very professional and would %100 recommend if you need any plumbing repairs done."
Plumbing - Drain Cleaning Project
Sewer cleaned of roots and ready for lining
Prepping pipe for lining by removing massive roots
Mixing resin for liners, this resin gardens to create a solid pipe
Sewer robot in the pipe

+26

Response time9 hrs
10 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for Magnolia Heating & Cooling Inc
Magnolia Heating & Cooling Inc
4.7(
819
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

In business since 1951

Free estimates

Warranties offered

"We were so happy we chose Magnolia Cooling and heating to repair our heater/air conditioner. They were professional from beginning to end. Our serviceman arrived on time and completed the repair to our satisfaction."
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+17

Recommended by93%of homeowners
Avatar for Cool Air Solutions Heating and Air Conditioning
Cool Air Solutions Heating and Air Conditioning
4.9(
142
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

In business since 2007

Free estimates

Warranties offered

"I interviewed a number of 4 potential HVAC providers and decided on Cool Air Solutions.  Overall their pricing was the best for the quality of equipment that I wanted when you took into account that they were able to obtain rebates from SDG&E for the installation.  They handled all the paperwork and guaranteed the rebates (in other words if I didn't qualify for some reason, they would eat the difference).  
Justin did the estimate and evaluation and was quite thorough and came up with a variety of options at different price levels including rapidly working up quotes when I had other combinations to consider based on other quotes I received from other providers.  They had no issue with me wanted the work properly permitted and had no issue with handling all of the paperwork involved.
In terms of the installation, they were able to schedule around my schedule and get it done reasonably rapidly considering that this was during the heatwave in September, and were ahead to let me know their schedule on the day of, when traffic interfered with on-time arrival (they are Temecula based which is about 40 miles from Job site).  The job ran over time when they ran into some electrical issues, but they brought another crew the following day to complete the job and persisted until the job was done correctly, even coming back another time to ensure that there were no further issues.  Since they use a dry wall subcontractor, they ran out and bought a metal plate to cover all holes in the dry wall until he could come and ensured that this was completed before accepting any payment.
They were also fine with me holding back a portion of their payment until final permit inspections cleared to ensure that all work was done to both my and the city's satisfaction (which took months for the City to get around to scheduling meaning that they did not receive the rest of their money for months with no complaints demonstrating their confidence that they would pass or follow-through on any deficiencies)
All in all, an excellent job and excellent service recovery when there were little hiccups.  Office follow-up by Selina has been good, both by phone and e-mail with all questions that I had.  Highly recommend for their dedication to high quality work at very competitive prices (and I have already to other friends)
"
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Attic installation in new construction

+9

Recommended by98%of homeowners
Avatar for Southland Heating and Air Conditioning
Southland Heating and Air Conditioning
4.7(
160
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

In business since 1997

Free estimates

Emergency services offered

"Excellent diagnosis and prompt service and repair from Southland Heating & Air’s technician Albert Mendoza. Albert successfully resuscitated our LG mini-split inverter by identifying the problem with the unit which called for replacing worn-out sensors. Thanks Southland & Albert!"
This is the outdoor unit that offers 17 SEER Hyper efficiency and super quiet operation of 54db's compared to 80 plus on older units
notice the low profile, this is about 14 inch wide instead of the traditional 36 wide.
This replaces your old gas heater
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+37

Response time1 day
Response rate100%
Recommended by93%of homeowners
Avatar for RKM Heating & Air Conditioning
RKM Heating & Air Conditioning
4.7(
380
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"RKM did a great job! They came out very quickly, despite a heat wave and I'm sure a high volume of calls, and assessed and fixed my air conditioner at a reasonable price. I felt very confident with the services provided and would definitely hire them again."
RKM heating and air conditioning services
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+11

Recommended by91%of homeowners
Avatar for Water Heaters Only, Inc
Water Heaters Only, Inc
4.7(
440
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

In business since 1968

Free estimates

Emergency services offered

"Fast, professional expert service provided by technician Ron Gautreau. Ron showed up on time, explained everything he will do after I agreed to replace our leaking "vintage" water heater, did everything exactly as he explained it. We are very pleased with Ron's work and will recommend services of Water Heaters Only to everyone who may need service or replacement. This company does "Water Heaters Only" and the reason why they do it better than anyone else."
Our technician Fabian getting ready to drain a water heater.
A newly installed 40 gallon residential water heater.
A tankless water heater installed in a garage.
Additional Photos
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+2

Recommended by94%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Swamp Cooler - Service or Repair

Serving Corona, CA and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
2014 Super Service Award Winner!
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Recommended by97%of homeowners
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FAQs for swamp cooler service or repair projects in Corona, CA

A well-maintained swamp cooler can last between 10 and 15 years. Its longevity depends on usage frequency, water quality, and proper care. Regular maintenance, like winterization and protective measures, can preserve your system's efficiency and prevent premature breakdowns, ensuring reliable cooling performance over its lifespan. Hiring a professional to take care of any repairs over your swamp cooler’s lifespan will ensure it’s restored to proper functioning and can help it last longer.

You should consider replacing your swamp cooler if it shows signs of severe corrosion, inadequate maintenance, advanced age, restricted airflow, or ongoing leaks. When repair costs and performance inefficiencies make restoration impractical, replacement may be the best option. Evaluating these issues with a professional ensures you choose the most effective solution, preserving comfort and cost efficiency while avoiding further deterioration of the system.

The Corona, CA homeowners’ guide to swamp cooler services or repairs

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