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*The Angi rating for Energy Efficiency Auditing companies in Marcellus, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Marcellus, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on May 20, 2026

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Avatar for Accurate Home Inspection, LLC
Accurate Home Inspection, LLC
4.9(
60
)
Energy Audit - For BusinessHome Energy Audit

Serving Marcellus, MI and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Bill did a good job taking me through the process, but unfortunately I missed one of the most important parts of the inspection--the attic and roof investigation. In addition to his report, I wish I would have heard his comments."
Frayed Asbestos
Concrete beam with makeshift support
Foundation Beam Support Crack
Capenter Bee Hole
Improper Wiring

+24

Response time6 hrs
Recommended by98%of homeowners
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Avatar for Beauchamp Safety & Home Inspections
Beauchamp Safety & Home Inspections
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Marcellus, MI and surrounding areas

In business since 2025

Free estimates

Credit card accepted

Our home inspection business provides thorough, professional evaluations to give you complete peace of mind about your property. We meticulously assess every key component, from the foundation and roof to electrical and plumbing systems, identifying any potential issues early. Our detailed, easy-to-read reports are delivered quickly so you can make confident, informed decisions about your real estate investment. We pride ourselves on reliability, transparency, and a commitment to helping you understand the true condition of your home. Contact us today to schedule your comprehensive inspection and ensure your home is safe and sound.

2 neighbors recently requested a quote
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Avatar for Greenshield Insulation
Greenshield Insulation
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Marcellus, MI and surrounding areas

In business since 2016

Free estimates

Emergency services offered

Greenshield Insulation is a family-owned and operated company proudly serving Mattawan and surrounding areas within a 40-mile radius since 2016. We specialize in high-quality residential and light commercial insulation services, including spray foam (open and closed cell), blown-in cellulose, insulation removals, attic and sidewall retrofits, and ventilation solutions. With over 50 years of combined experience, we’re SPF-certified, licensed, and insured—bringing knowledge, professionalism, and attention to detail to every project. Our team helps homeowners lower energy bills, improve comfort, and qualify for available rebates and tax credits. We offer free estimates and honest guidance to help you choose the best insulation for your home or building. Serving Kalamazoo, Portage, Paw Paw, Battle Creek, and more.

Attic Insulation Experts
Attic Insulation Experts
Attic Insulation Experts
Attic Insulation Experts
Attic Insulation Experts

+11

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Energy Efficiency Auditing questions, answered by experts

You can check your home's humidity in a few ways. A simple option is to use a hygrometer, which you can find at a hardware or big box store. Your smartphone may also have an app that can measure humidity. Modern thermostats, particularly smart thermostats, are also able to measure humidity levels.

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.

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.

Wood windows fall in the middle of the window frame materials when it comes to energy efficiency. They’re more insulating than aluminum and vinyl, but they aren’t as efficient as fiberglass or composite frames. If you love the look and lifespan of wood windows and want to maximize efficiency, you can upgrade to double-pane or triple-pane glass and consider window tinting and low-emissivity (low-E) coatings to minimize heat transfer.

Motion-sensor lights use one watt while on standby and five watts while turned on. They’re usually on for one hour over a 24-hour period, bringing the total wattage to about 28 watts per day. LED lights use around 6.5 to 8 watts while on. If you leave an LED light on all night, with night ranging from 10 to 14 hours, you’re looking at using 65 to 112 watts a night. You can minimally cut your wattage in half by switching to a motion-sensor light.

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