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Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)
Energy Audit - For BusinessHome Energy Audit

Serving Gustine, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"We recently had Mega Power Electric Inc install a solar system and panels. The President and provided excellent communication all the way through the process. He even met with us after installation to explain the almost incomprehensible PG&E bill. Although not the least expensive bid, his was competitive and I felt he was as interested in educating me about solar and the various types of panels and inverter systems as he was in selling a system. He demonstrated how the array of panels would meet our energy needs and as opposed to some of the other companies, wasn't selling us more than we needed. We are very satisfied with our solar system and I highly recommended Mega Power Electric Inc."
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+32

Recommended by100%of homeowners
Avatar for SunRun LLC
SunRun LLC
5.0(
12
)
Energy Audit - For BusinessHome Energy Audit

Serving Gustine, CA and surrounding areas

In business since 2007

Free estimates

"Spectacular! I had solar installed and Trevor was super helpful with the process. He made all the complicated paperwork easy. Just like that we have solar and I'd never go back! Double thumbs up for Trevor!"
Install!
Start saving on electric charges
Install in San Diego
Wonder What We Do??
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+8

Recommended by100%of homeowners
Avatar for Landmark Energy Upgrades
Landmark Energy Upgrades
4.8(
59
)
Energy Audit - For BusinessHome Energy Audit

Serving Gustine, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"The reviews below me said it best: Ezra was fantastic! He was prompt, professional, and very informative. He explained to me each of the things he was doing, what he looked for in an audit, and what to expect. He also answered all of my questions about the kind of improvements that were worth it and those that were a waste of money. We were required to have an Energy Audit to sell our home and our realtor recommended Ezra from Landmark construction & energy crew. Lucky for us, Ezra found no recommendations and gave us a good "bill of health." What I like more is that if he does have recommendations, he doesn't perform any work himself, providing a truly unbiased opinion.  I fully plan on having Ezra perform an audit of our next home, whether it is required or not."
Cool Roof Install
Energy Upgrade
HVAC Air Duct
Home Energy Audit
Energy Upgrade Contractors

+6

Recommended by98%of homeowners
Avatar for Green NRG Inc.
Green NRG Inc.
4.1(
62
)
Energy Audit - For BusinessHome Energy Audit

Serving Gustine, CA and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

"We are so happy with our solar panels and knowing we are utilizing the sources naturally given to us to acquire energy. We are hoping to see the difference it will make on our bill. The team and company at Green NRG involved have made this process so easy and educational they have been incredible to work with. I can't say between the professionalism when I called with questions they were great. We would recommend you without hesitation as we are 110% satisfied."
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+12

Recommended by90%of homeowners
Avatar for Johnson Electric Solar
Johnson Electric Solar
5.0(
5
)
Energy Audit - For BusinessHome Energy Audit

Serving Gustine, CA and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"We did a total remodel of my husband's family home.   It took over six months.  Our next door neighbor is Andre Johnson who is starting up his own solar panel installation out of his home.  He has been in the business for  years, but felt now was the time for him to start his own business.  After we moved in, we talked to him about solar installation...we got some other bids, but his was still the best.  He and his son did the installation, then we called the city for the inspector to come out.
This is why I am writing this review.  With the total remodel, we had a lot of city inspections, and we knew how particular they are.  The inspector came out, went up on the roof for 10 or 15 minutes.  Then he told Andre he wanted to talk to us.  We thought...this can't be good.  On the contrary....the inspector wanted us to know what an outstanding job they did.  In fact, he said he had never seen such a perfect job.  He had been to two other homes for solar installation inspection prior to ours, and neither one of them passed.  He said they were done by well known, large local companies.  He said the larger companies sub-contract out the work, so you don't get the pride of ownership kind of work that we got.
Andre has five different licenses on his business card.  I did check his CA license....#958114...and he is in good standing with the state of California.  One of the other licenses was his federal contracting license, and another one was with the State of California as a disabled vet.
If you are looking for any kind of solar panel installation, PLEASE call Andre for a bid.  I really don't think you can find a better price, and I know you won't get a better job.
"
Recommended by100%of homeowners
Avatar for Better Earth Construction
Better Earth Construction
5.0(
3
)
Home Energy Audit

Serving Gustine, CA and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"The project was top notch. Not only did they consistently show up on time, but they finished the project early and were willing to reschedule the final walkthrough multiple times to accommodate our schedule. Final project turned out great!"
Response time2 hrs
Response rate91%
Recommended by100%of homeowners
Avatar for Patrick with Solar Energy Partners
Patrick with Solar Energy Partners
5.0(
2
)
Energy Audit - For BusinessHome Energy Audit

Serving Gustine, CA and surrounding areas

In business since 2020

Free estimates

"I was mind blown with his service. I talked to 6 solar businesses before, all of them has poor customer service and the price was too high. The service was beyond amazing. It was great. The process went very smooth. One of the best experience I ever had in contacting a business. That young man was really polite. I was really happy with his service."
Solar Energy System Design 94513
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+17

Recommended by100%of homeowners
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Energy Efficiency Auditing questions, answered by experts

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

Dehumidifiers typically use 300 to 700 watts of electricity per hour, whereas portable dehumidifiers use about 40 watts per hour. The exact amount of electricity your dehumidifier will generate depends on its capacity and energy efficiency. Generally, higher-capacity dehumidifiers generate more electricity than lower-capacity units, but they also usually have better energy efficiency over the long run.

When combined with a substantial solar system, if you have enough Powerwalls, you could go off-grid and be energy independent. But remember, you'd need enough Powerwalls to power your whole home continuously because a single Powerwall can’t power large appliances for extended periods. One Powerwall is able to power an average-sized home's emergency circuits, lights, and outlets. To power large appliances, you likely need two or three Powerwalls.

There is no blanket figure for a residential home’s electrical load, since load varies by the size of the home, how many appliances are used, and the efficiency of their electrical systems. Typically, however, it’s safe to assume 40 to 60 amps is the average electrical load of a residential home. 

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

The Gustine, CA homeowners’ guide to energy efficiency auditing services

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