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Avatar for Posert Energy Consulting
Posert Energy Consulting
4.6(
47
)
Home Energy Audit

Serving Graton, CA and surrounding areas

Approved

In business since 2019

Customers say: True professional

"Peter is a very knowledgeable and patient guy - he helped us understand our energy usage and even showed us how to read the usage of individual appliances used in our home. He also provided a full report on potential issues with specific windows, and had really good information about planning for future HVAC improvements. We feel so much better about our future home improvement projects after our home energy audit with Posert Energy!"
Response time2 days
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for SunRun LLC
SunRun LLC
5.0(
12
)
Energy Audit - For BusinessHome Energy Audit

Serving Graton, 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 Attic Masters
Attic Masters
4.7(
33
)
Energy Audit - For BusinessHome Energy Audit

Serving Graton, CA and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Attic masters did a good job at my house by cleaning the ducts. I spoke to them prior and they were nice to me. they gave me several options and explain to me the difference between each one and they recommended me which one to choose. The work that they did was good and the people that did the actual work were very nice. I will hire them again.
"
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+7

Recommended by95%of homeowners
Avatar for Slingshot Power
Slingshot Power
4.7(
3
)
Energy Audit - For BusinessHome Energy Audit

Serving Graton, CA and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"The entire process went smoothly. Begin with a system quote from Paul Sherer with a design layout, followed by a feasibility study of the roof and where the panels are to be installed. I have a metal tile roof and the previous solar vendor actually rejected the project. Slingshot first installed the 240v outlet and that took 2 people a whole day to complete, as my electric panel is at the other side of the house from the garage. The panel installation took another 2 days that included the interconnect, upgrading the breakers on the panel. The staff was professional, courteous and focus on doing the job right. Then the city inspection and followed by submitting the application to PG&E. The approval took only 3 days which was a pleasant surprise. Slingshot came out to install a CDD so I can monitor the performance and output of all 13 panels. Not only the project completely very smoothly and on time, the final price I paid is exactly what was quoted from day 1. Now that my electric car is here, I think I can recover the cost within 2 years."
Recommended by100%of homeowners
Avatar for Healthy Duct Cleaning
Healthy Duct Cleaning
3.9(
376
)
Energy Audit - For BusinessHome Energy Audit

Serving Graton, CA and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"The cleaning job went very well. It was a job of many surprises( pokaman chips, matchbox size cars,of course legos etc. etc.etc.)! We moved to the house in 88,remodeled a few years later and then never cleaned them. The cleaning was a great check and all is well. In fact they stated that they weren't bad (considering). I was very happy they are in good condition.........................................."
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+17

Recommended by69%of homeowners
Avatar for Applied Building Science
Applied Building Science
5.0(
3
)
Home Energy Audit

Serving Graton, CA and surrounding areas

In business since 2008

Free estimates

"After a brief period of essential hammering in the attic and testing for air leakage, the work was done silently. The very pleasant installation crew was unobtrusive and efficient. I was amazed the "blowing in" process could be so quiet and clean. Not a drop of insulation escaped the attic."
Recommended by50%of homeowners
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Energy Efficiency Auditing questions, answered by experts

A good SEER rating for an HVAC system is typically between 15 and 20. However, minimum requirements vary by location; HVAC systems in northern states must have at least a 14 SEER rating, while those in southern states need a minimum of 15. For the highest possible efficiency, look for units with a SEER rating of 21 or higher. It's important to remember that a SEER rating represents the maximum efficiency a unit can achieve, not the level at which it will operate at all times.

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.

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

Blower door tests are measured in a few different ways, but the most popular are air changes per hour (ACH) and cubic feet of air (CFM) moving through the house per hour. A good ACH score is less than 2ACH, but 1ACH is better. This means the house experiences a total air change within 60 minutes (for 1ACH). For 2ACH, there’s a complete change every 30 minutes, and so on. CFM scores are similar in that a lower score means less air change, and therefore less leakage.

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

The Graton, 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.