I can't recommend these guys enough. Huge thanks to…read moreAlberto's team for doing a very thorough job.

Earlier this year I hired Eco Performance Builders install a new heat pump system, remove my old…read moregas furnace, relocate equipment into the attic, replace all ductwork, remove existing attic insulation, air-seal the attic, and eventually reinstall insulation. The experience was outstanding from start to finish. What really set this company apart is that they actually performed proper Manual J load calculations to size the system--something almost no other contractor I contacted was willing to do (load calculations are code required by the way). Every other quote I received assumed a system size based purely on square footage and would have resulted in a dramatically oversized system. Instead, this team took the time to measure, assess, and design a system tailored specifically to my home's demand. They even performed a blower door test to quantify air leakage--another thing no one else offered. As a result, I ended up with a 2.5-ton heat pump. Meanwhile, all other companies wanted to replace what was there (4-ton) or go even higher (5-ton). One company wanted to put in a 100k BTU furnace which is absurd. Their design work was thoughtful and meticulous. The Manual J and Manual S calculations they did ensured that the system was sized properly including duct sizes and lengths. They showed attention to detail with locating and aiming registers to reduce duct lengths (less energy loss due to being in the unconditioned attic) and to improve comfort (limiting air blowing on you in bed). They also took care to locate the ducts so they can bury them in the future attic insulation as much as possible. The on-site crew was excellent--friendly, respectful, and professional every day. They kept the workspace clean, coordinated work around my partner's daytime sleep schedule, and were incredibly flexible with scheduling overall. I've had to push back adding attic insulation multiple times so I can do a few attic projects first, and they've never complained or made it an issue (I still am not ready and they are fine with it). The resulting system has been working great since they installed the heat pump and air sealed in May. The system is basically silent and my house has been quite comfortable. I'm pretty sure the system has been more efficient than my old furnace based on my energy monitoring system that measures current to the unit and PG&E bills from last year, and this is without attic insulation. Regarding cost, you would think that EPB would be significantly more expensive especially considering they will do the proper design work. However, I got a few quotes additional quotes and EPB actually end up significantly cheaper than all other companies that didn't include any real design work! In short, this is the only company I found that actually does things the right way, prioritizing proper design and customer satisfaction. I thought this would hurt the bank but it didn't. I'm extremely happy with the results and would recommend them without hesitation.

We were referred to this company by multiple HVAC contractors because they supposedly offered…read moreblower door testing. We paid for a Manual J calculation and a Blower Door test to determine the correct heat pump size for our home. Two technicians came on December 16, 2024, and the inspection lasted about 30 minutes. During the visit, they were courteous and professional and promised to provide: * A list of heat pump vendors * The proper heat pump size * Recommended installers On January 4, 2025, they sent us a BayREN Home Energy Audit report, but it wasn't even for our house. The report falsely stated that we had solar panels, which we do not. We immediately reached out to correct the discrepancies and request the Manual J calculation and heat pump recommendations we paid for. Since then, they have given us nothing but the runaround. It is now March 28, 2025, and we still have not received the services we paid for. Despite multiple follow-up emails (at least six or seven over the past few months), they continue to delay and have not provided our Manual J calculation, heat pump size, or vendor recommendations. I'm giving two stars because the technicians who came out were friendly and professional. However, the company's follow-through has been terrible. I agree with the other reviewer who warned not to pay them upfront--as soon as they cashed our check, they disappeared. Avoid this company unless you want to waste your time and money.

Mickey was able to handle our inspection very quickly and professionally. Very highly recommended…read more Thank you Mickey!

Bi-annual visit to check HVAC system and replace filter. Communication is super important to me and…read moreAIS is all over it with the text messaging to remind you and confirm your service and also when your tech is on their way. 5 stars! Once Leon R got to my place, he was professional and courteous, treating my home as if it was his mom's house. He explained what he was going to do prior to service and then explained what he performed after service. I've been a long time customer of AIS and I signed to be their customer for at least another year. Thanks for keeping my HVAC system tip top!

I've been with this company for almost 10 years, and they have always provided great service. I had…read morea check-up with Kevin today, and he gave excellent customer service. Very professional, friendly, and helpful. Highly recommend this company for AC and heating services!

This was such a positive investment and experience. Professionalism from the start of the process…read morethrough finish. Alfredo and his assistant came to my home in Willow Glen and performed a full evaluation of where the energy loss was coming from and what options I had to mitigate it. His report was thorough and I liked that he prioritized what I need to do right away and what can wait. Alfredo had a call with me to go over the results of the various tests that were run and made sure I understood every detail. Very happy I engaged them and I am looking forward to having warmer winters and lower energy bills

Several years ago, we had our first HERS test performed by Elem3nts - and no surprise, our 40 year…read moreold ducts were leaking badly. Fast forward to the present, the HVAC company we selected for a new heat pump and ducts uses Elem3nts to do the required HERS testing AND handle applying for the homeowner's rebates from Silicon Valley Clean Energy and TECH Clean (very convenient). The entire process was smooth - quick and painless. The Elem3nts team was on time, professional, and left the house just as it was after they were finished. They're very experienced and knowledgeable about HERS testing. Communication around scheduling was excellent, and one rebate has already been received and the other is on its way. Elem3nts has been great!

We highly recommend Innovative Energy Solutions HERS Testing. They were referred to us as the best…read morein the industry. From the start, we experienced and felt valued as a customer. We were impressed with Bryan's outstanding professionalism and excellent skills. We immediately noticed his sincere interest, dedication and integrity with regards to resolving any concerns that we had. He was also punctual and very neat and clean. So, it is with sincere pleasure that we would like to acknowledge and commend Bryan for providing us with the very best service. His work is impeccable and exemplary. Katie, at the office, also kept us informed every step of the way. She has impeccable business etiquette, listening skills and professional decorum. We continue to be very grateful to both Bryan and Katie for their time and assistance. You can rest assured that they are a refreshing asset to their industry.

Even 100 stars could not do the justice to what a professional, efficient and caring service that…read moreKatie and Bryan provided: 1. Katie immediately answered my first phone call, explained HERS and the entire process to me, with a super reasonable quote; 2. From the moment I decided to work with them, Katie sent me texts and emails with appointment schedule, and straight forward guidance of CalCERTS registration and reports; 3. The certified validator Bryan arrived on time, with needed equipments and tools, and was VERY POLITE and RESPECTFUL of our property. Just as much as Katie does, he cares about his customers. The HERS testing went so smoothly and professionally. Bryan explained the policy limit of inflow/outflow efficiency ratio must be less than 5%, and we passed. Bryan left passed 12pm, by 4pm the same day we received CalCERTS official report and certificate in our email from Katie. From my first confirmation with Katie, this HERS testing project was done in less than 3 business days! It could be done in 24 hours but I would not be home that time so Katie coordinated per my schedule! After 1.5 years working on a (still ongoing) house addition&renovation project and experiencing so many headaches caused from unprofessional (and/or greedy) contractors, Katie and Bryan are definitely THE BEST. If you ever need HERS testing in Bay Area, please, support honest and great people like Katie and Bryan!

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!

Our HVAC contractor set us up with Calraters to inspect our newly installed system. We worked with…read moreAbdul who was great throughout the process. He was friendly, prompt, and helped to explain what he was checking during the inspection. Would highly recommend.

Jon from CalRATERS did our duct testing and energy audit after we installed new HVAC systems. He…read morewas professional, efficient and friendly. He kept us informed all along the way. I would highly recommend CalRATERS. Good job.

I hired this company to do the work on my house that was recommended in a home energy assessment…read morecompleted last year. Initially Alex Minaboo, the owner, came to look the job over and in that visit recommended replacing all the heating ducts in the house. He tried to sell me a heat pump system which I did not want to do since the existing furnace is only three years old. There was nothing in the home energy assessment report indicating I needed to replace the furnace or the ducts. A few weeks later, the foreman (I think that is his role) came by to assess the job, and said he did not think the ducts needed to be replaced as they were still quite new. I opted to not replace the ducts but to proceed with the air sealing of the heating system that was recommended in the home energy assessment. Alex later said the air sealing could cause a problem for the furnace, which he said was too large for this size house. He suggested that adding an additional heat register might mitigate a potential problem with rapid cycling, and I opted to do this. In the course of All Things Good sealing the heating ducts and adding the new register, the blower on the furnace stopped working. Alex deflected and denied responsibility for his company causing the problem, disparaged another company that had installed the furnace, and argued that his company could not be held responsible for damages when something breaks in an old house while they are working on it, referring me to a clause in their contract. To fix the furnace, All Things Good charged $1200.00 in labor costs (for a job that took no more than 2 hours on site) and the blower was about $700 more). I have always thought "if you break it, you fix it" and I was floored by how this was being handled, but since I do not know HVAC systems and could not in good conscience argue that I was certain the breakdown was caused by their work, I proposed we split the bill for fixing the furnace. My offer was refused. Alex then had the gall to argue he was already giving me a discount on labor costs, and threatened that if I did not pay he would put a lien on my house. I paid the bill because it was not worth my time to fight with All Things Good. I see a number of positive reviews here and at least one that is like mine. My experience was very unsatisfactory and I will certainly never use this company again.

I used All Things Good to replace my gas water heater with a heat pump water heater. I highly…read morerecommend them. The team was professional and fast and they went above and beyond in explaining the water heater and the app. They even installed a new light in my basement so they could complete the work, which is helpful to me as well. And then they came back and installed some additional insulation to mute the water heater noise. The office staff was also excellent and very responsive and helped me get all the rebates I was eligible for. Look no further, All Things Good is the team you need .

Vincenzo is very professional and knowledgeable. Very easy communicate through messages. He…read morepatiently walked me through the process and treated my place carefully.

Vinny is fast, reliable, and very knowledgeable. I hired him…read moreto do a HERS test and to check the duct leakage. Very happy with the service received and would gladly recommend him. He showed up on time and was respectful of my property and health concerns.

I had a Zoom call review of our home's energy usage, understanding more about our NEM billing…read morepackage and the future of our system (installed in 2009). Jared K. from Sapling did a great presentation. I felt like these guys are doing their best for us. I'll welcome a future discussion should our situation change. If you have rooftop solar I'd recommend a review from Sapling Energy. You might learn something.

Had a great conversation with Phillip from Sapling Energy. He provide a number of great tips to…read moreoptimize our energy situation and improve the costs savings. I really appreciate the information that they provided in the complimentary consultation.