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TRUSTED BY WILLIS, MI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon28
    Verified energy efficiency auditing services reviews

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

Avatar for Air Conditioning Engineers
Air Conditioning Engineers
4.6(
70
)
Energy Audit - For BusinessHome Energy Audit

Serving Willis, MI and surrounding areas

In business since 1969

Emergency services offered

Credit card accepted

"They also do plumbing. Everything is top notch there too. The first time they came it turned out we had to make an insurance claim before he could make the repair. He waived the inspection fee and we got the insurance claim done. The insurance hired clean up people. What happened was that house has 3 levels and the lowest level is slightly below grade and it requires a sewage ejection pump to get things up to the septic system. The sewage ejection pump failed and there was raw sewage in the basement."
Recommended by85%of homeowners
Avatar for Washtenaw Blower Door Services
Washtenaw Blower Door Services
5.0(
2
)
Home Energy Audit

Serving Willis, MI and surrounding areas

In business since 2016

Free estimates

Credit card accepted

Welcome to Washtenaw Blower Door Services, your premier Home Inspector, Indoor-air quality testing, and Home Energy evaluation service. Owner and operator Adam Carr has performed over 2,000 home inspections and energy evaluations over the course of his career. His specific services include home inspections and blower door testing, a new standard required by the state of Michigan. He also utilizes state of the art thermal imaging to determine how efficient and insulated the home is. He also provides a comprehensive report with those digital and thermal images. His home inspection reports provide a comprehensive list of the best "order of operations" and cost-effective solutions to any problems or issues he detects. Call today for a quote!

Point of air-infiltration
Thermal image
Missing knee-wall insulation in attic
What area looks like after insulation is installed
Response time10 mins
Response rate100%
Recommended by100%of homeowners
Avatar for R & L Fire & Water Restoration
R & L Fire & Water Restoration
5.0(
20
)
Energy Audit - For BusinessHome Energy Audit

Serving Willis, MI and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"I'm extremely satisfied with the work that was performed.From the first day that I got in contact with the company,I was assured that everything would be ok.Tom of R & L came to my building and assessed the situation and he immediately began to make calls to get things back in order for me.Because of the fire damage my building and contents were in bad shape.Tom was able to contact my insurance adjuster and before you know it there was all kinds of action going on in my building to get things back in order.I must say that I do now have a very professional and new looking building from the work done by R & L company.Of all the different people that Tom had to come and perform work on my building,they were all professional with very positive attitudes,and I felt comfortable with them being in my building.I will be recommending the services of R & L in the future,they are a great company and I love the work that they did for me.

"
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+11

Recommended by100%of homeowners
Avatar for Brand New Construction LLC
Brand New Construction LLC
4.5(
288
)
Energy Audit - For BusinessHome Energy Audit

Serving Willis, MI and surrounding areas

In business since 2005

Free estimates

Credit card accepted

"Got the whole package for LESS than the price of JUST the roof quoted from another company. We loved their competitive pricing. Roof looks great. Installs were scheduled quickly. An energy audit was included and qualified us for extra rebates! Bonus! Happy customer!"
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+11

Recommended by87%of homeowners
Avatar for Lombardo Total Home Solutions LLC
Lombardo Total Home Solutions LLC
3.9(
308
)
Energy Audit - For BusinessHome Energy Audit

Serving Willis, MI and surrounding areas

In business since 2001

Emergency services offered

Credit card accepted

"We were cancelled once or twice and then he finally made it out. The serviceman was pretty friendly and good in his assessment. We were satisfied when he eventually showed up.He confirmed what we were already told before. He was thorough and knew what he was talking about. The price was good and he was professional."
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Recommended by79%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

Upgrade to double-glazed glass or apply energy-efficient coatings to reduce heat loss and utility costs.

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.

Yes, barndominiums are energy-efficient as long as insulation professionals properly install quality insulation, windows, and doors. Utility bills for barndo living can be up to 50% lower than those for a traditional home.  Make your barndo more energy efficient by working with contractors and HVAC professionals to strategically place windows, doors, and heating/cooling systems. 

Yes, a dirty air filter can cause a higher electric bill. That’s because clogged filters make it harder for air to flow through your HVAC system, which forces it to work harder and use more energy. According to the U.S. Department of Energy, replacing dirty filters can save you between 5% and 15% in utility costs.

While many states require all new construction to undergo blower door tests, it’s not a requirement for existing homes. But in both cases, a blower test helps confirm that the contractor has sealed the exterior, that the type of ductwork installed is functioning properly, and that your home is as efficient as possible.

The Willis, MI homeowners’ guide to energy efficiency auditing services

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