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Avatar for Santiago Electric, Inc.
Santiago Electric, Inc.
4.9(
23
)
Energy Audit - For BusinessHome Energy Audit

Serving Merced, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"I had them put in a Tesla charging outlet and replace some fluorescent lights in my kitchen. They gave me a fair quote and did a good. When their guys were running late to the time they said they would arrive they called me and gave me a new arrival time. Professional company with great customer service. I worked with Hector, he is very good. I recommend them."
Response time5 hrs
Recommended by95%of homeowners
Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)
Energy Audit - For BusinessHome Energy Audit

Serving Merced, 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 Better Earth Construction
Better Earth Construction
5.0(
3
)
Home Energy Audit

Serving Merced, 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 Merced, 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

Yes, skylights can affect a home’s energy efficiency, either positively or negatively. Properly installed, energy-efficient skylights with Low-E coatings, double glazing, and UV-blocking glass can help regulate indoor temperatures and reduce heating and cooling costs. However, poorly insulated or older skylights can contribute to heat loss in winter and excess heat gain in summer, lowering overall energy efficiency.

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

R-value measures an insulation material's thermal resistance, indicating its ability to resist heat transfer. A higher R-value signifies better insulation performance because the material is more effective at slowing heat flow. The R-value depends on the type, thickness, and density of the insulation material, such as fiberglass, foam, or cellulose. Each inch of insulation typically provides an R-value between 3 and 8. There is no single universal R-value; the optimal choice depends on your climate zone. Colder climates require a much higher R-value than warmer ones to maintain energy efficiency, keep the home warm in winter and cool in summer, and manage costs.

Yes, advising on models that save electricity and reduce utility bills.

Audits include inspecting insulation, HVAC systems, windows, and appliances to identify energy inefficiencies.

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

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