303-292-1233

Request An Appointment

Uncategorized

Learn more about the benefits of Manual J, D, S, and T calculations and how e3 Power can help ensure your HVAC installation project is done correctly. We’ve completed over 2,000 Manual J, D, S, and T calculations around the country over the last decade—call today for a free quote.

What Can a Commercial Energy Audit Tell Me About My Office Building? blog header image

Many commercial office buildings in Colorado are interested in becoming …

Read More

Building an MDU? Here's What You Need to Do to Keep Energy Prices Down blog header image

With energy costs on the rise, multi-family property builders need …

Read More

Making Sense of Building Envelope Trade-Offs in High Rises: How COMcheck Can Help blog header image

Building envelope trade-offs offer a flexible path to energy code …

Read More

Are Leaking Ducts Increasing Your Energy Bills? How to Tell blog header image

You probably don’t think about your HVAC air ducts too …

Read More

Does Your Commercial Building Need a Blower Door Test? header image

In many cases, blower door tests are required by Colorado …

Read More

How to Meet Denver Energy Code Without Derailing Your Project blog header image

Energy code compliance is a critical part of any new …

Read More

Reducing HVAC Costs with Energy Efficiency Testing for Commercial Buildings blog header image

Between inflation and rising rates, energy costs are higher than …

Read More

How a HERS Energy Rating Can Help You Sell Your Home blog header image

There are a lot of ways to get your house …

Read More

How e3 Power Ensures Compliance with IECC, ASHRAE & Local Codes blog header image

In the world of construction and energy efficiency, meeting energy …

Read More

Customer Reviews

Jeremy: Thank you for sending. As I mentioned to you on Thursday, I appreciate your attention to detail. This report… Read more “Peter, Denver”

Peter - Denver, CO

Don’t know what we’d do without your thoroughness. Your detailed reports & other information has helped immeasurably while working with… Read more “Doug from Frederick”

Doug - Frederick

Thank you for your work and the information and professionalism.

Judy - Denver, CO

Andy, Jeremy – I just wanted to let you know I didn’t have any questions or concerns with the Audit… Read more “Testimonial”

Tom - Denver, CO

Andy, Thank you, I knew the energy audit would be worth the cost when we first talked. I did not… Read more “Testimonial”

Peter - Aurora, CO

Have you seen this yet? Wow….what a great report, just stating the facts, with no opinions in the building science… Read more “Testimonial”

Brian - Denver, CO

Dear Andy, Based on a recent Xcel Energy bill, which indicated that the energy usage in my home is considerably… Read more “Ken from Evergreen”

Ken - Evergreen, CO

Dear Andy, Based on a recent Xcel Energy bill, which indicated that the energy usage in my home is considerably… Read more “Sarah from Denver”

Sarah - Denver, CO

As the owner of an older home in Denver facing high utility bills, I was looking for an expert opinion… Read more “Testimonial”

Marc - Denver, CO

Hi Andy. Thx for the audit. Very educational read..

Brian - Denver, CO

Janice had 20 ppm ambient in the home – 3008 ppm CO emissions to the outside – “The energy audit… Read more “Testimonial”

Janice - Denver, CO

Thank you both for the suggestions, and for the photos and excellent energy audit report!

Rick

I just wanted to thank you for your participation with the Denver Energy Challenge and as an Xcel approved home… Read more “Cory”

Cory

I was very impressed by the thoroughness of your report and that you were very nice to work with.

Phil - Denver, CO

Andy, Thank you for your detailed report and the valuable time you spent with me on the phone and Taylor… Read more “Christine”

Christine

Thank you for supporting the participation of Andy Wildenberg in the U.S. Department of Energy’s Multifamily Job Task Analysis (JTA)… Read more “Testimonial”

NREL

Also, I wanted you to know that I was able to reduce the heat after you insulated and still be… Read more “Jo”

Jo

Steve came and did my assessment which was absolutely fabulous. I learned a lot! Thanks to all of you for… Read more “Nancy | Arvada, CO”

Nancy - Arvada, CO

First, thank you for a very professional, and exceptional job. We have had a couple of very positive remarks on… Read more “Testimonial”

Cathy and Bob - Boulder, CO

Thank you so much for your help, and for the information in the report, it was very helpful. Walking around… Read more “Testimonial”

Jeremy and Jolene - Thornton, CO

Thanks so much for going above and beyond to help us!

Dan - Denver, CO

We first contacted Andy Wildenberg, owner of e3 Power, through their advertisement on the Internet. We asked Andy to do… Read more “Testimonial”

Kennel and Cheryl - Indian Hills, CO

[Andy] and [Steve] were professional, comprehensive in their study of our energy use and our building, and thorough in their… Read more “Testimonial”

Rory - Lakewood, CO

Jeremy did a wonderful job. He was patient, polite, thorough, knowledgeable, and friendly. Be assured I will post favorable reviews… Read more “George from Boulder”

George - Boulder, CO
EEBC
AEE
RESNET

navigate

Services

Contact

181 E 56th Ave Suite 600
Denver, CO 80216

720-704-1578

Do Not Sell or Share My Personal Information Review us on Google

resources

What is a Whole House Energy Audit?

blog

Why Are Manual J, D, S & T Calculations Important?