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Avatar for Marshall Insulation
Marshall Insulation
4.1(
47
)
Home Energy Audit

Serving Phoenix, AZ and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

We are a locally owned and operated company, that values honesty and integrity in all aspects of our business. We offer a variety of insulation services, that are customizable to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients, and guarantee your satisfaction!

Response time2 days
55 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Simply Efficient LLC
Simply Efficient LLC
5.0(
1
)
Home Energy Audit

Serving Phoenix, AZ and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

Simply Efficient LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

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Downtown Solar Install
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Hybrid Water Heater

+11

Response time3 days
Recommended by100%of homeowners
Avatar for AC and Refrigeration
AC and Refrigeration
4.8(
77
)
Energy Audit - For BusinessHome Energy Audit

Serving Phoenix, AZ and surrounding areas

In business since 2000

Free estimates

Emergency services offered

🔥 AC and Refrigeration 🔧 Your trusted partner for comprehensive HVAC, Refrigeration, Electrical, and Plumbing services in the greater Phoenix area. At AC and Refrigeration, we are dedicated to ensuring the comfort, safety, and efficiency of your residential and commercial spaces. 🌵 AC and Refrigeration is a locally owned and operated business with a commitment to excellence. With over two decades of experience, our team of highly skilled technicians is equipped to handle a wide range of services, from routine maintenance to complex installations and repairs.

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+13

Recommended by92%of homeowners
Avatar for Marshall Insulation
Marshall Insulation
4.5(
155
)
Energy Audit - For BusinessHome Energy Audit

Serving Phoenix, AZ and surrounding areas

In business since 1998

Free estimates

Credit card accepted

"I called to set up a free consultation and was promptly met at the agreed upon time. We discussed my desires and how to achieve my project goals. I was given a quote and agreed upon the price for the garage work to be done the following week when I was free. The spray foam and "drill and fill" have been awesome! I have a 24K BTU AC unit in the garage that was unable to keep the temps low as there was so much heat in the garage all day. After the insulation was done it can hold the temps at 70F in the garage while barely turning on during the day. The attic above the garage tops out at 85F when it was over 110F outside, just amazing. We had them do a home energy audit and found that there were plenty of leaky areas in the attic and the insulation was 15 years old and about an R-10 level. It needed some serious work so we agreed to have it topped off with new fiberglass insulation. The guys came out and did and amazing job bringing me up to R-39 as well as keeping the house very clean while doing it. On both days they cleaned up after themselves and took great care of my house. I would wholeheartedly recommend them to anyone that could use more insulation!"
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Recommended by88%of homeowners
Horizon Energy Systems
4.7(
14
)
Energy Audit - For BusinessHome Energy Audit

Serving Phoenix, AZ and surrounding areas

In business since 1978

Free estimates

Credit card accepted

"We Called Brad Lindsay from Horizon Energy Systems, he made a call and told us our motor was still under warranty, and he would be there first thing in the morning to swap out the motor, and he was.  He had to work extra hard because the other company had crossed wires and he had to trace down the wires to correct it.  I was so impressed with Brads professional manner, and how he was able to take care of the warranty issue, and went out of his way to make sure we were up and running ASAP.  I highly recommend Horizon Energy Systems.  Thanks to them we are cool again, and he saved us thousands of dollars!  Refreshing to have an honest and caring company...THANK YOU!!!!
"
Recommended by100%of homeowners
Avatar for AVI Heating & Cooling
AVI Heating & Cooling
5.0(
12
)
Energy Audit - For BusinessHome Energy Audit

Serving Phoenix, AZ and surrounding areas

In business since 1989

Free estimates

Emergency services offered

NATE Certified. As U.S. Military Veterans we know the necessity of quality service performed with a high level of Integrity. With more than 30 years experience in the HVAC/R industry, our expertise in the residential community is unsurpassed in knowledge, quality and service. Our service technicians are certified, undergo background checks and receive regular training on all the latest technology. Our residential services include annual service plans which include discounts on repairs or replacement of HVAC equipment, custom made-limited lifetime washable air filters and 40 point inspections.

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+3

Recommended by100%of homeowners
Avatar for SunHarvest Solar
SunHarvest Solar
4.8(
5
)
Energy Audit - For BusinessHome Energy Audit

Serving Phoenix, AZ and surrounding areas

In business since 2009

Free estimates

Credit card accepted

SunHarvest Solar is a top-rated, locally-owned solar company with an A+ BBB rating, helping homeowners go solar in sunny Arizona. Our team is passionate about clean energy and dedicated to serving all of your renewable energy needs. We have the highest quality products and services, always at an affordable price.

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+1

Recommended by100%of homeowners
Avatar for Innovative Lighting & Electric, Inc.
Innovative Lighting & Electric, Inc.
4.6(
19
)
Energy Audit - For BusinessHome Energy Audit

Serving Phoenix, AZ and surrounding areas

In business since 2005

Free estimates

Emergency services offered

Innovative Lighting & Electric, Inc. is award winning company specializing in lighting and electrical services. We are privately owned and operated in Scottsdale, Arizona. ILE specializes in residential and commercial lighting; indoor/outdoor installations, service and maintenance. Our trained lighting specialists and certified electricians are some of the best in the business. They understand how light works and where the light should go to maximize visual night time effects. We offer the highest quality lighting products and on-going service & support to ensure your complete satisfaction. Innovative Lighting & Electric, Inc. strives for perfection, focuses on integrity and aims to please.

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Innovative Lighting & Design, Inc. 2
Innovative Lighting & Design, Inc. 3
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+20

Recommended by94%of homeowners
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Energy Efficiency Auditing questions, answered by experts

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Leaving vents open but closing doors in unused rooms will probably not save money on your energy bill. Closed doors prevent the natural flow of air throughout the home, which could reduce the efficiency of the overall HVAC system. They could also restrict airflow into and through the return vents, making the HVAC system less efficient.

The answer is a resounding yes, as dishwashers save significant water and energy compared to washing dishes by hand. The difference is so drastic in fact that those who use energy-efficient dishwashers can expect savings of over $450 per year. This is because dishwashers use less water, they wash at a higher temperature than a hand rinse, and you don’t need to rinse them after washing. New dishwashers use around 4 gallons per load, whereas washing by hand can use up to 2 gallons per minute.

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.

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

The Phoenix, AZ homeowners’ guide to energy efficiency auditing services

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