Get matched with top energy efficiency auditors in Marshalltown, IA
There are 2 highly-rated local energy efficiency auditors.
Energy efficiency auditors in Marshalltown
Service Legends is proud to provide the all-in-one HVAC, electrical, plumbing, duct cleaning, and insulation services Central Iowans prefer. We hold ourselves to a high standard and take pride in what we do. Let us help you stay safe and comfortable indoors. From installation and repair to maintenance and more, it's easy to see why Service Legends is Des Moines' top residential contractor. It's safe to say we've earned a Ph.D. in keeping you comfy. We're waiting to hear from you - reach out today! Our State of Iowa License number is #00071.
"Best decision ever to have Service Legend give me a second opinion on my issue. I would highly recommend them for anyone looking for experts that can diagnose and fix problems in short amount of time. Pricing was pretty economical too."
Nana Y on March 2025
Service Legends is proud to provide the all-in-one HVAC, electrical, plumbing, duct cleaning, and insulation services Central Iowans prefer. We hold ourselves to a high standard and take pride in what we do. Let us help you stay safe and comfortable indoors. From installation and repair to maintenance and more, it's easy to see why Service Legends is Des Moines' top residential contractor. It's safe to say we've earned a Ph.D. in keeping you comfy. We're waiting to hear from you - reach out today! Our State of Iowa License number is #00071.
"Best decision ever to have Service Legend give me a second opinion on my issue. I would highly recommend them for anyone looking for experts that can diagnose and fix problems in short amount of time. Pricing was pretty economical too."
Nana Y on March 2025
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
Home Tuitions in Hyderabad: http://www.myhometutions.com has become the one stop shop for Home Tuitions in Hyderabad where it serves from KG to PG and also hobbies, Sports and Physical Trainers and so on...
Home Tuitions in Hyderabad: http://www.myhometutions.com has become the one stop shop for Home Tuitions in Hyderabad where it serves from KG to PG and also hobbies, Sports and Physical Trainers and so on...
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
Northern Duct Seal seals duct work from the inside by use of computerized tools and equipment. The process takes one day and our technicians will provide pre-seal and post-seal duct leakage reports on the spot. The basic steps to do a duct seal are: 1) Pre-seal Test is done to measure duct leakage, 2) Registers, returns, and air handler coil are blocked off with foam plugs, 3) A UL-tested and approved aerosol is injected into the pressurized duct system, 4) A Post-Seal Test is performed to measure improvements and 5) A complete Report and Certificate are printed to provide the customer with a record of improvement. Duct sealing provides a solution to high energy bills, air flow/air balance issues, uneven temperatures, hot and cold rooms, excessive humidity, musty odors and fume smells from stored paints, solvents, pesticides, and radon gases. Northern Duct Seal will reduce duct leakage by up to 90%, saving customers an average of $600 - $850 a year, with a 2-3 year return investment, depending on variables such as weather, system usage, energy prices, and home design. Northern Duct Seal offers a 10- year warranty on the seals created by our technicians. The sealant itself has been UL tested and approved and is considered non toxic by OSHA. For a demonstration video of the duct sealing process please see the 'Ask This Old House' Video located under the Media tab on this page.
Northern Duct Seal seals duct work from the inside by use of computerized tools and equipment. The process takes one day and our technicians will provide pre-seal and post-seal duct leakage reports on the spot. The basic steps to do a duct seal are: 1) Pre-seal Test is done to measure duct leakage, 2) Registers, returns, and air handler coil are blocked off with foam plugs, 3) A UL-tested and approved aerosol is injected into the pressurized duct system, 4) A Post-Seal Test is performed to measure improvements and 5) A complete Report and Certificate are printed to provide the customer with a record of improvement. Duct sealing provides a solution to high energy bills, air flow/air balance issues, uneven temperatures, hot and cold rooms, excessive humidity, musty odors and fume smells from stored paints, solvents, pesticides, and radon gases. Northern Duct Seal will reduce duct leakage by up to 90%, saving customers an average of $600 - $850 a year, with a 2-3 year return investment, depending on variables such as weather, system usage, energy prices, and home design. Northern Duct Seal offers a 10- year warranty on the seals created by our technicians. The sealant itself has been UL tested and approved and is considered non toxic by OSHA. For a demonstration video of the duct sealing process please see the 'Ask This Old House' Video located under the Media tab on this page.
We offer Free energy savings anylisas for home owners and show them how they can save 20 to 40 % on there utility bills
"Very pleasant to work with. Fair estimate and cost for the project. Timely neat and tidy. Excellent job."
Cheryl L on November 2023
We offer Free energy savings anylisas for home owners and show them how they can save 20 to 40 % on there utility bills
"Very pleasant to work with. Fair estimate and cost for the project. Timely neat and tidy. Excellent job."
Cheryl L on November 2023
For 30 years and more than 4 million square feet of roofing application, Grell Roofing has served Iowa and the Upper Midwest’s commercial and industrial roofing needs. We’re a family-owned firm with an outstanding reputation for workmanship, quality, and customer support. Grell Roofing LLC is fully licensed, bonded and insured. We take the responsibility of safety and quality seriously. Duro-Last Elite Contractor for over 10 consecutive years. As Flat Roof Specialist, we offer expertise in all major flat and low-slope roof membranes and products. CONTACT US for a Free Roofing Inspection. Know your roof's health before it's a liability!
For 30 years and more than 4 million square feet of roofing application, Grell Roofing has served Iowa and the Upper Midwest’s commercial and industrial roofing needs. We’re a family-owned firm with an outstanding reputation for workmanship, quality, and customer support. Grell Roofing LLC is fully licensed, bonded and insured. We take the responsibility of safety and quality seriously. Duro-Last Elite Contractor for over 10 consecutive years. As Flat Roof Specialist, we offer expertise in all major flat and low-slope roof membranes and products. CONTACT US for a Free Roofing Inspection. Know your roof's health before it's a liability!
We provide free energy consulting services that pertain to discounted natural gas and electricity supply services through local utility companies.
We provide free energy consulting services that pertain to discounted natural gas and electricity supply services through local utility companies.
Energy efficiency auditing services FAQs
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
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 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.
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