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TRUSTED BY ROCKLIN, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon18
    Verified energy efficiency auditing services reviews

Top-Rated Energy efficiency auditors in Rocklin - Updated Nov 2026

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

Serving Rocklin, 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 Mr. Sunshine Solar
Mr. Sunshine Solar
5.0(
15
)
Energy Audit - For BusinessHome Energy Audit

Serving Rocklin, CA and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"This is a great crew to work with! Friendly, knowledgeable, courteous, efficient, timely, and respectful. Phil answered all the questions that I asked (and there were a lot), he did this with patience and detailed responses. The crew arrived on time, they completed the job in one day, they were respectful of my property, and friendly while completing the task. I've had my panels for a few years now, the panels work great and if I have questions or concerns, Phil is happy to assist. Mr. Sunshine Solar provides complete customer service. Thank you!"
Savalza Solar Patio
Baker PV Solar Install
Savalza Solar Patio
Baker PV Solar Install
Baker PV Solar Install

+1

Recommended by100%of homeowners
Avatar for Service Champions Heating & Air Conditioning
Service Champions Heating & Air Conditioning
4.6(
688
)
Energy Audit - For BusinessHome Energy Audit

Serving Rocklin, CA and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"
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+42

Response time9 hrs
Response rate100%
Recommended by91%of homeowners
Avatar for Green NRG Inc.
Green NRG Inc.
4.1(
62
)
Energy Audit - For BusinessHome Energy Audit

Serving Rocklin, 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 Sunpower Ryan Burr
Sunpower Ryan Burr
5.0(
3
)
Home Energy Audit

Serving Rocklin, CA and surrounding areas

In business since 2012

Free estimates

"Ryan was patient and allowed me to ask questions and did not pressure me. If I get approval, from HOA, will hire Ryan to do my solar on the condominium. If approval is not met with the HOA, I will be referring him out and using Sunpower on my next single-family home purchase."
Recommended by100%of homeowners
Avatar for Everclear Repair Works
Everclear Repair Works
4.5(
63
)
Energy Audit - For BusinessHome Energy Audit

Serving Rocklin, CA and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

"My pump was leaking and getting worse. I had used Matt before and he did a good job. I gave him a call and he came over, checked out the pump and said I need a new one.  When he told me the price, I decided to try to fix the pump myself. So after spending $375.00 on parts, the pump lasted a few more months before it seized. I called Matt and he came over on a Saturday to replace the pump. I should have listened to Matt in the first place. Now I have a super-quiet, energy efficient pool pump. They even cleaned the pool before they left. Just call Matt."
Recommended by90%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

Leaving lights on raises the electric bill, but not as much as having high-wattage light bulbs. The best way to save on electric costs is to swap your light bulbs to LED or CFL bulbs that use far fewer watts. You can also use smart lights and light switches to control usage via a smartphone or voice-controlled device.

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.

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. 

No, it isn’t necessary to have energy-efficient windows. However, if you care about your energy bill and making your windows more energy efficient, fixing any heat, UV, or air transfer issues is an excellent way to lower your bills and keep your house cooler in the summer and warmer in the winter.

There are a couple of ways you can save on the cost of your home energy audit. First, find out if you qualify for programs like the Department of Energy’s Weatherization Assistance Program for low-income households. Next, check with your local utility company to find out if you qualify for any local rebate programs to offset the cost of this helpful service.

The Rocklin, 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.