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    Ultimate Home Performance

    5.0 (2 reviews)
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    Services - Ultimate Home Performance

    Building energy audit

    Insulation installation

    Ultimate Home Performance Photos

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    14 years ago

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    13 years ago

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    AIS Heating & Air Conditioning

    AIS Heating & Air Conditioning

    4.8
    (456 reviews)

    I contacted AIS on Yelp and their automated service made scheduling an appointment easy. After I…read morebooked my appointment I received a text and email confirmation. The next day I received a call to confirm my appointment and problem I was having. A repair technician came by in the scheduled appointment window. Jair was my technician and did a great job. When he entered my home he wore shoe covers and was respectful of my home. We discussed the issue I was having with my AC unit. He quickly took a look at my unit and was able to diagnose the issue. He thoroughly explained why it wasn't working and provided me 3 options to consider for repair. He was not pushy to make a sale and answered all the questions I had. I eventually selected which option for repairs and he quickly was able to repair the issue. He tested the unit and everything seemed to work properly. I haven't used my AC unit yet but anticipate it will work when I need it. Jair did a great job and I will use AIS in the future!

    I highly recommend AIS Heating & Air Conditioning, Inc. They are incredibly reliable; when you call…read morethem, they show up on time and consistently resolve any issues. Taylor used to be our regular technician, and we always appreciated his professionalism and the pride he takes in his work. Following his well-deserved promotion to supervisor, Pete came out to our home today and didn't miss a beat. He delivered the exact same standard of excellent service. Friendly, knowledgeable, and a total pro! Thanks Pete and AIS!

    SDI Insulation

    SDI Insulation

    4.0
    (140 reviews)

    A very positive experience! We just has SDI insulate the exterior walls of our 1960's-era Belmont…read morehills home, and I was very impressed with the work they did. Their communication with me was excellent, and everyone I interacted with was extremely professional and very skilled in their respective tasks. Big thanks (!) to Joran, Sergio, Gene, David, and the other crew members whose names I didn't get. TY! I feel very comfortable recommending SDI's work - they did what they said they would do, and they did it quickly and professionally! Their estimate was competitively priced; it was neither the cheapest nor the priciest., but all things considered, SDI seemed to offer the best value for our money. I'm also very pleased with the results of the insulation! We had R15 fiberglass blown into our exterior walls, and even after just one night I can tell the house is much quieter. Today's outside temp has been in the mid-50's, which is chilly for early May, so I'm able to write this review with oddly good timing: new insulation works, lol! I'm now very eager to see what it does in the summer heat, which was our main reason for having it blown in. All in all, I am very pleased with the SDI did on our home and feel quite comfortable recommending their services to other homeowners.

    SDI came in quickly, priced the job well, and knocked it out fast. I was impressed by how fast they…read moreresponded to my request for a quote. I'll use them again for insulation and may even redo my fireplace!

    Spot Free HVAC Air Services

    Spot Free HVAC Air Services

    4.9
    (426 reviews)

    Spot Free HVAC was our top choice, from their great reviews, detailed evaluation, and helpful…read moreno-pressure suggestions. The quoted price for a two-head unit with external pump was in line or lower than the competing bids, backed by an extended multi-year warranty as Mitsubishi Diamond Certified installers. Heat pumps installed alongside existing central air is not an uncommon request, but we had a great conversation with Brook on how we might update to a more modern system in the future, given our original(!) furnace's age. Side questions for him aside, we had a thoughtfully sized system outlined and quoted within a day, and scheduled within two weeks. Our experience with the installation was similarly great, with the team arriving promptly as scheduled and taking the care to put on shoe coverings moving through the house. Everyone was polite and efficient, bringing the plan to life and bringing us in early when there were onsite decisions to be made in our unique spaces. When an issue arose on the cooling not blowing as cold as we had expected, they were quick to assist with troubleshooting, and had it fully remediating within the week. Permits are still pending due to the Oakland backlog, but their lead electrician will also be onsite during the inspection process so I have no worries there. While our immediate need during the heat wave this Spring was cooling our living spaces, I have full confidence that whenever we go to multizone heating and cooling, Spot Free will be our go-to experts!

    Very easy to communicate with and book a quote. I received 3 quotes for our HVAC work:…read more- Spot Free: $21K - Vendor we used: $23K - Another vendor who we used before and were happy with but increased their pricing recently: $32K We decided not to go with Spot Free for 2 reasons. First, the heat pump brand was changed in the quote to one that we did not want (Carrier). We were replacing it due to leakage of carbon monoxide. This is obviously a safety concern for us, but also a peace of mind issue. We had discussed using Carrier at the site visit, but I was adamant to avoid it. Second, Brook mentioned that there was a manufacturer's recall on our existing 1-year old Mitsubishi heat pump (we have 2 zones with 2 separate units) and that we should pay him out of pocket to fix it. I was confused, because we received no information regarding a recall and typical costs associated with a recall are not paid by the customer. Furthermore, we hadn't experienced any issues and we're still within the warranty period from the manufacturer and installer. Brook said he had been processing a lot of recalls on units he installed and Mitsubishi was slow to send parts so it's easier to pay him directly for the repair. I contacted the original installer, who we had a very positive experience with initially, and they said there was no recall. I also looked online and couldn't find any information regarding a recall.

    Ultimate Home Performance - hvac - Updated August 2026

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