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Verified Reviews for Energy Efficiency Auditing pros in Onondaga, MI

*The Angi rating for Energy Efficiency Auditing companies in Onondaga, 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 Onondaga, 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 December 13, 2025

Find Energy efficiency auditors in Onondaga

Avatar for ALL WEATHER MECHANICAL

ALL WEATHER MECHANICAL

4.91(
76
)

ALL WEATHER MECHANICAL

4.91(
76
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Experienced heating and cooling sales/service/install construction for 30 + years

Experienced heating and cooling sales/service/install construction for 30 + years

Avatar for W.M.G.B. Inc

W.M.G.B. Inc

4.81(
110
)

W.M.G.B. Inc

4.81(
110
)
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

30 employees. Uses some subs for digging, everybody else is an employee of WMGB Inc. Cost is determined by the job. Financing is Available, Travel charges may apply. No service fee. May contact through e-mail. Additional phone numbers -Lansing area (517) 371-7023,Kalamazoo area (269) 385-5930, Muskegon area (231) 755-0826 and 800-766-0500 everywhere else. Additional contact name Julie Cowan

"Everything went extremely well and we are so pleased with the final result."

Diane F on May 2024

30 employees. Uses some subs for digging, everybody else is an employee of WMGB Inc. Cost is determined by the job. Financing is Available, Travel charges may apply. No service fee. May contact through e-mail. Additional phone numbers -Lansing area (517) 371-7023,Kalamazoo area (269) 385-5930, Muskegon area (231) 755-0826 and 800-766-0500 everywhere else. Additional contact name Julie Cowan

"Everything went extremely well and we are so pleased with the final result."

Diane F on May 2024

Avatar for Thermal Boundary

Thermal Boundary

4.82(
60
)

Thermal Boundary

4.82(
60
)
Customers say: Terrific value
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Alternate number 734-536-4503. Thermal Boundary is a mid-Michigan company. It is owned and operated by Brian Milam. He is a Master Electrician with over 25 years of residential experience. Brian is a certified HERS Rater, able to perform energy audits and HERS ratings for single family and multi-family homes. Brian is an Energy Star and Indoor airPLUS Partner. He is also a Home Inspector. He is a member of ASHI. Thermal Boundary is a member of the Clinton County Chamber of Commerce.

"AWESOME Job! Very knowledgeable and efficient, could not have asked for better service!"

Ross M on November 2018

Alternate number 734-536-4503. Thermal Boundary is a mid-Michigan company. It is owned and operated by Brian Milam. He is a Master Electrician with over 25 years of residential experience. Brian is a certified HERS Rater, able to perform energy audits and HERS ratings for single family and multi-family homes. Brian is an Energy Star and Indoor airPLUS Partner. He is also a Home Inspector. He is a member of ASHI. Thermal Boundary is a member of the Clinton County Chamber of Commerce.

"AWESOME Job! Very knowledgeable and efficient, could not have asked for better service!"

Ross M on November 2018

Avatar for The Meridian Company

The Meridian Company

4.43(
130
)

The Meridian Company

4.43(
130
)
Customers say: Super punctual
41 years of experience

Since 1984, The Meridian Company has been serving Lansing, MI and its surrounding areas in all its plumbing, heating and cooling needs. Here at The Meridian Company we are at your service 24/7, so call us today to schedule your appointment!

"The Meridian Company is fantastic. The work was done swiftly and the workers cleaned up so we'll each day. They were quiet and respectful and my infant son was able to nap in the next room over while they worked. The whole job was finished faster than estimated and is absolutely beautiful. Will definitely be using the Meridian Company again."

Alison F on May 2020

Since 1984, The Meridian Company has been serving Lansing, MI and its surrounding areas in all its plumbing, heating and cooling needs. Here at The Meridian Company we are at your service 24/7, so call us today to schedule your appointment!

"The Meridian Company is fantastic. The work was done swiftly and the workers cleaned up so we'll each day. They were quiet and respectful and my infant son was able to nap in the next room over while they worked. The whole job was finished faster than estimated and is absolutely beautiful. Will definitely be using the Meridian Company again."

Alison F on May 2020

Avatar for Oasis Mechanical

Oasis Mechanical

5.00(
8
)

Oasis Mechanical

5.00(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Were a small family ran company that strives on customer service and quality work!! Additional email - [email protected].

Were a small family ran company that strives on customer service and quality work!! Additional email - [email protected].

Avatar for Comfort First Heating & Cooling, Inc.

Comfort First Heating & Cooling, Inc.

4.39(
18
)

Comfort First Heating & Cooling, Inc.

4.39(
18
)
Customers say: Quality work
28 years of experience

Comfort First Heating & Cooling, Inc., is a MI Heating, Plumbing, Air Conditioning, Geothermal Heat Pump, Boiler, Energy Audit, Solar & Wind Generator, Water Heater, Furnace & AC repair, service, replacement and maintenance company located in Ingham County. Comfort First Heating & Cooling, Inc. employs only the best HVAC technicians for furnace repair, air conditioner repair, and water heater repair, as well as, all air conditioning replacements, furnace replacements, and boiler replacements.

"Technician did a very good job."

Howard C on March 2018

Comfort First Heating & Cooling, Inc., is a MI Heating, Plumbing, Air Conditioning, Geothermal Heat Pump, Boiler, Energy Audit, Solar & Wind Generator, Water Heater, Furnace & AC repair, service, replacement and maintenance company located in Ingham County. Comfort First Heating & Cooling, Inc. employs only the best HVAC technicians for furnace repair, air conditioner repair, and water heater repair, as well as, all air conditioning replacements, furnace replacements, and boiler replacements.

"Technician did a very good job."

Howard C on March 2018

Avatar for Weatherwise Foam Insulation Inc

Weatherwise Foam Insulation Inc

4.75(
8
)

Weatherwise Foam Insulation Inc

4.75(
8
)
Customers say: Quality work
21 years of experience

We insulate new and existing homes with sprayed foam insulation. We can insulate brick and block homes as well. By insulating with sprayed foam insulation, you could save at least 40% on energy bills. We provide high quality and honest professional service. Our priority is customer satisfaction. We stand by the motto - Insulation doesn’t cost…it pays! Full service insulation contractor.

"Wonderful, the workers were professional and polite."

Diana W on March 2021

We insulate new and existing homes with sprayed foam insulation. We can insulate brick and block homes as well. By insulating with sprayed foam insulation, you could save at least 40% on energy bills. We provide high quality and honest professional service. Our priority is customer satisfaction. We stand by the motto - Insulation doesn’t cost…it pays! Full service insulation contractor.

"Wonderful, the workers were professional and polite."

Diana W on March 2021

Avatar for Inspired Green

Inspired Green

3.82(
51
)

Inspired Green

3.82(
51
)
Customers say: Super punctual
17 years of experience

Inspired Green is a full-service home performance organization. Our mission is to help families improve their health, safety, comfort and finances through analysis and improvements. 85% of homes in the United States do not adequately control heat, air and moisture. A ‘poorly performing’ home can have a multitude of downstream consequences for your family including asthma and indoor air quality issues, rooms that are always too hot or too cold, unnecessarily high energy or maintenance costs, mold, carbon monoxide issues, etc. Inspired Green conducts consultations and comprehensive Home Performance Assessments to provide your family with prioritized recommendations, based in science. We install the improvements that best meet your goals and budget; we also connect you with and process any rebates and incentives available to you through state or utility programs.

Inspired Green is a full-service home performance organization. Our mission is to help families improve their health, safety, comfort and finances through analysis and improvements. 85% of homes in the United States do not adequately control heat, air and moisture. A ‘poorly performing’ home can have a multitude of downstream consequences for your family including asthma and indoor air quality issues, rooms that are always too hot or too cold, unnecessarily high energy or maintenance costs, mold, carbon monoxide issues, etc. Inspired Green conducts consultations and comprehensive Home Performance Assessments to provide your family with prioritized recommendations, based in science. We install the improvements that best meet your goals and budget; we also connect you with and process any rebates and incentives available to you through state or utility programs.

Avatar for Custom Built Design & Remodeling

Custom Built Design & Remodeling

4.13(
8
)

Custom Built Design & Remodeling

4.13(
8
)
Customers say: Super punctual
24 years of experience

Custom Built Design & Remodeling is a custom home remodeling contractor. We ask our customers what they want, listen closely to their answers, then design and build to the customer's specifications. Our capabilities include custom designed cabinets, custom kitchens, custom bathrooms, basements and more. Some tell us there seems to be no limits to our creativity. We like that. Custom Built Design & Remodeling will go to any length to ensure that our customers receive the level of customization they desire for their home. No custom home remodeling project is too extreme for us!

Custom Built Design & Remodeling is a custom home remodeling contractor. We ask our customers what they want, listen closely to their answers, then design and build to the customer's specifications. Our capabilities include custom designed cabinets, custom kitchens, custom bathrooms, basements and more. Some tell us there seems to be no limits to our creativity. We like that. Custom Built Design & Remodeling will go to any length to ensure that our customers receive the level of customization they desire for their home. No custom home remodeling project is too extreme for us!

Avatar for ESI Heating

ESI Heating

4.20(
5
)

ESI Heating

4.20(
5
)
Customers say: Quick response
46 years of experience

Your complete home heating, air conditioning, indoor air quality, and energy auditing company.

"All this company wants to do is sell you a new system. I caught Mike loosening a hose so that it would leak. He was also late and had a **** poor attitude. I cancelled the service and went with Gary's heating and cooling. They were on time and gave me great service at more that half the price that Mike quoted me. Stay away from this company. They are bad."

pat f on October 2021

Your complete home heating, air conditioning, indoor air quality, and energy auditing company.

"All this company wants to do is sell you a new system. I caught Mike loosening a hose so that it would leak. He was also late and had a **** poor attitude. I cancelled the service and went with Gary's heating and cooling. They were on time and gave me great service at more that half the price that Mike quoted me. Stay away from this company. They are bad."

pat f on October 2021

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FAQs for energy efficiency auditing projects in Onondaga, MI

An energy audit costs about $420 on average, ranging from $100 to $2,250, depending on the size of your home, property, location, and the tests the auditor needs to perform. Keep in mind that the 2022 Inflation Reduction Act’s Energy Efficient Home Improvement credit covers up to $150 of home energy audit costs. Common energy audit tests include:

  • Blower door test: $350

  • Duct testing: $100

  • HERS test: $375

  • HERS certification: $200

  • Infrared imaging: $200

The difference between an energy auditor and a home inspector is primarily in the purpose of the inspection. The energy auditor conducts tests in your home to determine the energy efficiency levels in areas like windows, insulation, and doorways. The auditor then makes recommendations for ways to improve a home’s energy efficiency. 

A home inspector examines various structures of your home to determine that everything is up to code and gauge the condition of features like the roof, foundation, HVAC, and electrical. The home inspector reports on the overall home and makes repair recommendations.

Typically, a local home energy auditor is responsible for performing energy audits. A home energy auditor will conduct one of three energy audits designed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) to determine the energy efficiency of your home. The auditor often provides analysis that can help guide changes and improvements to your home for better energy efficiency, giving recommendations as necessary.

The three levels of home energy audits include:

  • Level 1: Review of your energy bills and home for signs of energy inefficiency and areas for improvement. The average cost range is $0.08 to $0.12 per square foot.

  • Level 2: A level 2 ASHRAE energy audit costs $0.12 and $0.35 per square foot. In-depth analysis of your energy usage and provides a report of cost-saving changes.

  • Level 3: Comprehensive analysis and detailed recommendations for ways to improve your home’s energy efficiency. A level 3 audit costs about $0.36 to $0.50 per square foot.

To find a reputable energy auditor, find a local company that offers energy audit services. Research the company’s reviews, methods, and certifications to find a reliable professional in your area. The most reputable energy audit companies are HEP-certified by the Building Performance Institute (BPI). Be sure to check our state licensing tool to review the local energy auditor guidelines to ensure you’re hiring a certified professional.

The Onondaga, 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.

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