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    Allied HERS Testing

    5.0 (10 reviews)
    Closed 8:00 am - 5:30 pm

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    Response time

    20 minutes

    Response rate

    100%

    Services - Allied HERS Testing

    Building energy audit

    Home inspection

    Allied HERS Testing Heating & Air Conditioning/HVAC Photos

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    Recommended Reviews - Allied HERS Testing

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    9 months ago

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    5 months ago

    On time, efficient service and did what I needed them to do. Very competitive pricing too.

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    5 years ago

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    6 years ago

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    Review Highlights - Allied HERS Testing

    The test was performed as scheduled and Josh followed up by calling me to discuss the test results.

    Mentioned in 5 reviews

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    A 1 Guaranteed Heating & Air - Let our family keep your family comfortable

    A 1 Guaranteed Heating & Air

    (443 reviews)

    Could not be more pleased. Needing to replace our 40 yo gas furnace we decided to get an HVAC…read moresystem. Got three bids. A-1 submitted the lowest bid and it was easy to choose them because they had already installed two systems on our block and our neighbors were very pleased. Sales Manager Kirk communicated really well, providing clear answers to our questions and making no change to the bid when we decided to change the location of the outside unit. Perhaps lucky for us, they were able to install in less than a week. Carrier brand equipment, which uses variable speed technology from Toshiba. A crew of four completed almost all the work in one day. Our existing ducts were not being replaced (both A-1 and another bidder saw no reason to replace them whereas the third bidder wanted to replace them at great cost). Nevertheless, fairly substantial sections of the ducts were indeed replaced in connecting to the new system. All the work was really well done, neatly and with complete clean-up and disposal of the old materials. Ducts were completely insulated, including new insulation on old sections. A-1 also pulled the permit, arranged the needed post-installation duct test and the final City inspection.

    So it's that time of year again. Inspection and tune up on the furnace…read moreJake my technician was on time spent an hour on the unit and then took the time to explain all he did. Written report was also supplied Can't say enough good things about this company. Everyone there is so professional and helpful! Definite recommend to my family and friends

    Perfect Star Heating, Cooling, & Electrical - We are proud to be a locally owned and operated family business that services all makes and models in Alameda & Contra Costa County!

    Perfect Star Heating, Cooling, & Electrical

    (575 reviews)

    I had to have the air ducts under my house replaced and since I had used Perfect Star for my new…read morefurnace and AC unit I decided to trust them with this big job. Emmanuel V., Gabe H. And Diego R. were awesome! Professional and clean. They kept me in the loop and made sure that I was satisfied with their work. I would hire them again in a heartbeat! Thanks again guys!!

    This company is a scam. Do yourself a favor and go with another contractor you can trust who will…read morenot try to lie to you to get your business. I found this company based on all the wonderful Yelp reviews to tune up my old gas furnace- something I do every year before the winter season to ensure optimal maintenance. They came out and immediately refused to do the service citing possible asbestos tape. I asked how this was possible when the last 15 years I've gotten service and have even asked the contractors to do a visual inspection of my system. They weren't sure but said that another employee in the area can come look and give me an estimate for a new system. I thought this was shady and it turns out, I was 100% right. They came later that day and quoted me $26K for a new system not including subcontracting to get the asbestos removed (another $1500). I was told and shown pictures that there was evidence of the same tape inside the duct work. I was told I would get these pictures sent to me with along with the estimate but never received any of them. I got someone to come out and test a sample of said material for $100 which did come out positive for asbestos. However the only asbestos that presented any harm was the tape on the outside of the system. There was no asbestos inside but it was recommended that I do more expensive air testing since Perfect Star said I would not be able to use my heater without the asbestos getting released into the air. Not only was this stressful to hear right before the cold weather, but I was very concerned that over the last decade I had inadvertently put my whole families health in danger using this furnace. Meanwhile, Raymond Kinder texted me a few days later to find out if I was going to move forward with the new unit. I told him asbestos removal was my priority. His response via text was "if they remove asbestos, you will not be able to run that furnace as the gases will not be vented out properly." This was not true. After several weeks of not using my heater and exploring other options to deal with a pretend problem they created for me, I went with Air Quality Testing who charged $540 for an air test. $640 later along with having no use of my heater, I learned that there is no asbestos running through my air or ducts. Perfect Star literally lied to me in order to attempt to get me to drop nearly $30,000 on a new system. Stay away from this company! They do not deserve your business for lying to their customers.

    Advanced Plumbing, AC & Furnace Repair - Plumbing water heater clog air conditioning heating repair replacement HVAC leak sewer smell cold hot toilet sink slow drain plumber

    Advanced Plumbing, AC & Furnace Repair

    (378 reviews)

    When I was visiting my Mom last week. She said her Hot Water Heater…read morewas making a loud knocking sound & the Company who installed it was scheduled to do a maintenance drain & flush a couple days ago but called to say they were understaffed & she needed to reschedule. Well she needed it taken care of now! So, I Googled Plumbing places and started getting quotes. Advanced Plumbing was by far the Best business for her Plumbing needs. No sooner did I hand up with making an appointment, the doorbell rang & there they were Advanced Plumbing employees Jamal & Terrance. They assessed the issue & provided my mom with the best & most affordable solution. They were very friendly, knowledgeable, & fast. They explained what they would be doing, showed her the damaged parts that they were replacing & had it done in no time. They also explained to her about the Warrantee on her product & about all the benefits her new Advanced Plumbing Membership offered. So we would definitely recommend Advanced Plumbing in Vacaville to anyone looking for affordable, friendly, & fast professional work done. Also a Big Thank You again to Jamal & Terrance for your Great Work !!

    !!PLEASE READ FIRST!!…read more I should have shopped around instead of rushing into hiring this company, that's my biggest mistake. I recently had a new washer and dryer installed, and the installer told me my water valves were leaking and needed to be replaced. This was the first company I called because of their high number of reviews, which I now regret trusting. The price I was charged to replace those valves was outrageous--nearly $1,100, and they didn't even bother to repair or replace the sheetrock afterward. For such a basic job, that alone felt excessive. It gets worse. After doing just one load of laundry, my water heater on the second floor started leaking down into the first floor. This had NEVER happened before they worked on my plumbing. I called them immediately, but they couldn't send anyone out until the next day. When a technician finally arrived, I was quoted $4,000 to replace the water heater. That didn't sit right with me, so I decided to get a second opinion. I contacted another company, and the difference was unbelievable. They charged me $2,300 for the same water heater replacement, showed up within an hour of my call, and completed the entire job in about two hours. Out of curiosity, I also asked them what they would have charged to replace the laundry room valves. Their answer? Around $350. So I was charged nearly three times the going rate for a simple repair, and then quoted almost double for the water heater replacement. That's not just overpriced, that feels completely PREDATORY. I strongly recommend getting multiple quotes before hiring anyone, especially this company. I would not use them again and would not recommend them to anyone.

    Galaxy Heating & Air Conditioning - Galaxy Services team

    Galaxy Heating & Air Conditioning

    (986 reviews)

    My wife and I recently hired Galaxy to replace our aging gas furnace and AC with a new 4-ton…read moreMitsubishi heat pump system, and the entire experience was fantastic from start to finish. During the estimate phase, Constantine was a breath of fresh air. Instead of pushing generic upsells, he actually "downsold" us by engineering exactly what we needed to work seamlessly with our home's downflow ducting. He was honest, straightforward, and clearly explained the system without any high-pressure sales tactics. For the installation, Mike and Diego were our crew. They arrived a little past the initial 9am window on the first day, but they worked incredibly hard and got the entire complex job done right on schedule. At the start of Day 1, I handed them a simple "homeowner's QA" list of things I wanted to check with them at the end. They were super nice, listened, and gladly accommodated every single request. The workmanship is top-notch. They perfectly sealed the exterior wall where the lineset exits, helped me get the Kumo Cloud Wi-Fi connected to my phone, and hauled away all the old debris, leaving the site spotless. As a testament to their technical skill, when I asked about the refrigerant line vacuum test, they had pulled it down to 350 microns--which is a great number and proves they don't cut corners! Pics attached of the final setup. If you want an HVAC company that is honest in the office and expert in the field, we highly recommend the Galaxy team!

    fair honest and respectful. They're not here to upsell you. They're here to improve your quality of…read morelife through heating ventilation and air-conditioning. They came out to fix my air-conditioning, which went out in the recent heat wave. It was a simple repair so they said no charge. This type of customer service is unheard of today's economy. I could think of at least one other service that would have tried to sell me a brand new system.

    Allied HERS Testing - hvac - Updated May 2026

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