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    Plus Air Duct Testing

    5.0 (9 reviews)
    Open • Open 24 hours

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    Reliance Energy Services - Non-residential duct testing

    Reliance Energy Services

    (19 reviews)

    Jason tested our new ducting and discovered that our intake box was leaking air from the attic at a…read morerate of a small bedroom every 10 minutes. WOW. So in the summer, instead of sucking in air from the inside of the house, it would be be sucking in 100F air from outside, making the AC inefficient. He took the time to drive to the store to get sealant to fix the leaks inside the intake box, and spent an hour applying the sealant himself. Did not ask for any extra money, did not complain, had a great attitude, and really wanted to make sure that he gave 150% effort to the customer. Then he re-tested the system and the system passed this time showing barely any leakage. Gave us the report and the paperwork needed for the building inspector. If you do your own HVAC upgrade without a city permit, you think you save money by not having to spend money on HERS testing. Nothing could be farther from the truth. When it comes to spending money, I'm cheap. I didn't realize that Jason's job is to make sure that the extra money you spend on upgrading your ducts/AC equipment to more efficient equipment is not in vain due to leaks in your ducts A+++ experience with using this company for HERS testing, and will recommend to others to use this company.

    Jason of Reliance Energy Services did a great job with the HERS Testing and Reporting. We had a…read morenew combo HVAC Heat Pump installed, and Jason performed the HERS testing. He came with the proper equipment to take accurate measurements, and generated a comprehensive report. He was very efficient. Furthermore, Jason had the HERS report sent to the City of Lake Forest electronically, so the city inspection went very smoothly. Great value for the services they provide, not only for the testing, but also for the reporting to the city inspectors. I highly recommend Jason and Reliance Energy Services. Thank you, Jason.

    RKM Heating and Air Conditioning - RKM HEATING and Air at K1 car racing. Everybody learning the rules. Hard work pays off. We appreciate our team.

    RKM Heating and Air Conditioning

    (225 reviews)

    Ruben is a True Professional!…read more I recently had an issue with my home AC unit in Lake Elsinore that stopped cooling properly during this hot weather. RKM reached out immediately and sent Technician Ruben. From the moment Ruben arrived, he was courteous, professional, and respectful. He thoroughly diagnosed the problem, explained everything in clear, easy-to-understand terms (no technical jargon overload), and got right to work. He replaced a faulty capacitor and performed a full system check to make sure everything was running perfectly. The repair was completed efficiently, and my AC is now blowing ice-cold air. Ruben even took the time to show me a couple of maintenance tips to help prevent future issues. I'm extremely impressed with his knowledge, speed, and friendly attitude. Kudos to Ruben for his Great service and professionalism. He's a top-notch technician who clearly takes pride in his work. Thank you Ruben!

    Here I am, shouting out RKM again! Ron came out to do a flush of the water heater, and he was quick…read moreand thorough. He noticed that we had a drip on one of the faucets connected to the system, and took care also. This was the second time he'd been out to see us, and both times we were impressed with his professionalism and attention to detail. In addition, my wife has spoken with Amy in the office on several occasions and is ecstatic about the help she has received each time. Amy is extremely knowledgeable, and has a smile that radiates through the phone. You can't go wrong with RKM...they're worth every penny!

    Magnolia Heating and Cooling - We are grateful that such an amazing organization as Cal Baptist University chooses to work with us year after year, thank you CBU.

    Magnolia Heating and Cooling

    (361 reviews)

    Our old A/C system was no longer functioning reliably, and we had always wanted a Daikin system…read more After researching local companies, we decided to give Magnolia Heating & Cooling a try--and we're so glad we did. From the beginning, the team carefully evaluated our existing system and took the time to explain our options. They provided very reasonable quotes for several different systems, with a clear and detailed breakdown of costs so we could make an informed decision. They also helped us identify available discounts and rebates, which made a big difference. A special thank you to Don, who worked hard to justify the investment and answer all of our questions. Thanks to his knowledge and patience, my husband was finally able to get the Daikin system he had been hoping for. The installation process was fast, professional, and handled with great care. The crew was respectful of our home, paid attention to detail, and left everything spotless when the job was finished. We truly appreciate the excellent service from Jesse, Don, Andres, and Ivan. Their professionalism, honesty, and dedication made the entire experience smooth and stress-free. We highly recommend Magnolia Heating & Cooling to anyone looking for quality HVAC service at a fair price.

    This company is not for your average middle class consumer, maybe more for the wealthy? I don't…read moreknow, but as military family we are certainly not rich enough to use them. The company I use to use went out of business so I picked this company to try out since it's a Riverside local and I've seen their billboard in town. Initial call was for regular summer maintenance and their employee Adrian was nice and informative but did say I had a problem with my mini split that would require a follow up service call. Fast forward to this week. Jesse (also nice employee - no beef there) came out and said he could not determine issue with mini split under the service call ($75) and so he'd have to call the AC manufacturer and talk with them to discover the problem. This would be an advanced diagnostic and a fee of $230 AND I was warned that if he was on hold for a long time it would still charge by the hour and it could be up to $400+ just for him to be on the phone!!! WILD. Luckily he got through in a decent amount of time and during that that diagnostic with the manufacturer on the phone he said I needed a new condensation pump at a whopping $892. I could swallow a $1000 bill (while dying inside) so of course agreed to it, completely my choice. After that fix however the AC was not blowing cold so then he said it needed a leak detection test at $455. So from that diagnostic (are you counting this will be the 3rd diagnostic during the same day!) he said he found 4 flares leaking and to fix them and top of the refrigerant lost I was looking at approximately $1,598 MORE- this is where I finally decided to stop the madness and decline further service. I would be at near $3k to fix a mini split that was less than 5 years old! Granted this company did not do initial install but O-M-G for these prices it was halfway to buying a new one!! They did in the end take off $233 from the final bill because I had signed up for their maintenance club membership on the initial call but after I use my last regular cleaning service from them in the winter I will no longer be using this company. So 1 star for having amazing friendly technicians but minuses all the other stars for the absolutely ridiculous diagnostic charges that don't even go towards the cost of repair and for my air conditioner still not working close to $1400 dollars later.

    Diamond Air Services

    Diamond Air Services

    (528 reviews)

    I've been using Diamond Air Services for over 5 years, and they've earned 5 stars every single…read moretime. They truly are a dream team! From routine maintenance to service calls, they've always been professional, honest, reliable, and incredibly knowledgeable. The technicians are punctual, friendly, and take the time to explain everything clearly. I never feel pressured into unnecessary repairs--they genuinely care about doing what's best for their customers. It's rare to find a company that consistently delivers outstanding service year after year, but Diamond Air Services does exactly that. I trust them completely with my HVAC needs and recommend them to anyone looking for dependable, high-quality service. Thank you for five years of exceptional work. You've earned a customer for life!

    Contacted Diamond Air on 8/25 to inquire about options for ac service at a house. Tiffany was very…read morehelpful and friendly, as she always is when I call. She stated that Anthony would come out the very next morning and see all options available. The very next morning, Anthony had completed a thorough and detailed estimate with pictures attached. The pricing was a lot lower than I even imagined, especially after dealing with another AC service provider (which I will never do business with again after the great service and pricing from Anthony and the crew). Was scheduled to have work start by 9/1 but received a call from Anthony advising that his crew would be out a day sooner to help with the heatwave. A new AC unit and furnace were installed along with everything that goes with it. They even did some drywall work! Anthony and the crew at Diamond Air are our go to ac and furnace providers. They stand behind their work and their great customer service makes it easy to do business. Shout out to Howie as well. He came out in February to check something another ac company scared us about. He explained there were no issues and helped put us at ease. The other company wanted us to pay for services we did not need but Howie was about honesty, not profit.

    Plus Air Duct Testing - hvac - Updated September 2026

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