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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon19
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Smithtown

Avatar for JB Comfort Heat and Air Conditions

JB Comfort Heat and Air Conditions

4.80(
41
)
Approved Pro

JB Comfort Heat and Air Conditions

4.80(
41
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
5 years of experience

I’m a US veteran that continue serving to the community by providing the best service in home repairs. I’m honest man if I can’t do, it I will tell you on the spot. I can fix many things; plumbing, Electrical issues, Decks, heating and Air conditioner, Power washing, Roof patching., Fences repair and install. Text me for free estimates!!

"Excellent job from a perfect knowledgeable gentleman. Reasonably priced. Definitely call him."

Joseph S on November 2025

I’m a US veteran that continue serving to the community by providing the best service in home repairs. I’m honest man if I can’t do, it I will tell you on the spot. I can fix many things; plumbing, Electrical issues, Decks, heating and Air conditioner, Power washing, Roof patching., Fences repair and install. Text me for free estimates!!

"Excellent job from a perfect knowledgeable gentleman. Reasonably priced. Definitely call him."

Joseph S on November 2025


Avatar for FLG Home Performance

FLG Home Performance

4.88(
30
)
Approved Pro

FLG Home Performance

4.88(
30
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
6 years of experience

Frankie 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. Frankie is also a Building Performance Institute certified building analyst and envelope professional trained in whole house energy auditing. Air sealing, insulation, blower door testing, caz testing. If you have any issue other companies haven’t been able to figure out call FLG and through testing we will solve ANY issue.

"I found FLG Home Performance thru Angie online read his reviews, and while going thru other referred reviews. I received a call from Frankie who answered All my questions took his time to ask me questions and so I hired him. Frankie came to the house the next morning and worked on my Oil Steam Burning Boiler for hrs, you can barely find anyone that can work on these anymore. He cleaned it out, checked every radiator in the home, explained everything to me, clean the bathroom, his work, And is extremely fair in pricing."

Naomi R on March 2024

Frankie 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. Frankie is also a Building Performance Institute certified building analyst and envelope professional trained in whole house energy auditing. Air sealing, insulation, blower door testing, caz testing. If you have any issue other companies haven’t been able to figure out call FLG and through testing we will solve ANY issue.

"I found FLG Home Performance thru Angie online read his reviews, and while going thru other referred reviews. I received a call from Frankie who answered All my questions took his time to ask me questions and so I hired him. Frankie came to the house the next morning and worked on my Oil Steam Burning Boiler for hrs, you can barely find anyone that can work on these anymore. He cleaned it out, checked every radiator in the home, explained everything to me, clean the bathroom, his work, And is extremely fair in pricing."

Naomi R on March 2024


Avatar for Triple H Insulation

Triple H Insulation

4.80(
35
)
Approved Pro

Triple H Insulation

4.80(
35
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
39 local quotes requested

Since 1999, Triple H Insulation has been providing Long Island customers the most comprehensive energy saving services with the utmost integrity and professionalism. We specialize in all aspects of heating, cooling, insulation and air sealing, including spray foam. As a woman-owned company, we are committed to treating everyone with equal respect and focus on direct communication with the household decision makers so each person is engaged in the process. Our skilled energy experts use building science principles to help our clients reduce energy costs and improve their homes' comfort. We hold a Gold Star designation from the Building Performance Institute (BPI.org) and our staff is BPI certified as energy auditors with building envelope, heating, heat pump, and central air conditioning replacement solutions. Triple H has licences in Suffolk and Nassau county and is an EPA Lead Safe Certified Renovator and PSEG LI Home Performance Partner.

"Great company that provided excellent service"

Micheal W on December 2023

Since 1999, Triple H Insulation has been providing Long Island customers the most comprehensive energy saving services with the utmost integrity and professionalism. We specialize in all aspects of heating, cooling, insulation and air sealing, including spray foam. As a woman-owned company, we are committed to treating everyone with equal respect and focus on direct communication with the household decision makers so each person is engaged in the process. Our skilled energy experts use building science principles to help our clients reduce energy costs and improve their homes' comfort. We hold a Gold Star designation from the Building Performance Institute (BPI.org) and our staff is BPI certified as energy auditors with building envelope, heating, heat pump, and central air conditioning replacement solutions. Triple H has licences in Suffolk and Nassau county and is an EPA Lead Safe Certified Renovator and PSEG LI Home Performance Partner.

"Great company that provided excellent service"

Micheal W on December 2023


"Very thorough and professional, highly recommended!"

Jonathan D on December 2022

We pride our company on reliability, great communication, integrity and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Very thorough and professional, highly recommended!"

Jonathan D on December 2022


Avatar for Triple H Insulation

Triple H Insulation

4.95(
19
)
Approved Pro

Triple H Insulation

4.95(
19
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
147 local quotes requested

Since 1999, woman-owned and operated Triple H Insulation has been providing Long Island customers with the most comprehensive home evaluation services with the utmost integrity and professionalism. We specialize in all aspects of Insulation and Air Sealing, including open and closed-cell Spray Foam, blown in and dense-packed cellulose, crawl space encapsulation and dehumidification. We can perform a free evaluation of your home from your basement or crawlspace to your attic. As a woman-owned company, we are committed to treating everyone with equal respect and focus on direct communication with all the household decision makers so each person is engaged in the process. Our skilled comfort consultants use building science principles to help our clients reduce energy costs and improve their homes' comfort. We hold a Gold Star designation from the Building Performance Institute (BPI.org) and our staff is Gold Star BPI certified. Triple H has Home Improvement Licenses in Suffolk, Nassau and NYC. See our great before and after photos on triplehcontracting.com.

"It went very well and were on time. Extremely polite and explained everything and cleaned up well afterwards."

Mary G on June 2019

Since 1999, woman-owned and operated Triple H Insulation has been providing Long Island customers with the most comprehensive home evaluation services with the utmost integrity and professionalism. We specialize in all aspects of Insulation and Air Sealing, including open and closed-cell Spray Foam, blown in and dense-packed cellulose, crawl space encapsulation and dehumidification. We can perform a free evaluation of your home from your basement or crawlspace to your attic. As a woman-owned company, we are committed to treating everyone with equal respect and focus on direct communication with all the household decision makers so each person is engaged in the process. Our skilled comfort consultants use building science principles to help our clients reduce energy costs and improve their homes' comfort. We hold a Gold Star designation from the Building Performance Institute (BPI.org) and our staff is Gold Star BPI certified. Triple H has Home Improvement Licenses in Suffolk, Nassau and NYC. See our great before and after photos on triplehcontracting.com.

"It went very well and were on time. Extremely polite and explained everything and cleaned up well afterwards."

Mary G on June 2019


The Wonky Donkey

No reviews yet

The Wonky Donkey

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Hire your beverage burro, Rhubarb the rescue donkey to help serve drinks, snacks, party favors, and more! Take your party or event to the next level and contact us today.

Hire your beverage burro, Rhubarb the rescue donkey to help serve drinks, snacks, party favors, and more! Take your party or event to the next level and contact us today.


Avatar for RSS Solar

RSS Solar

No reviews yet

RSS Solar

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Free onsite estimate

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.




Comfortpro

No reviews yet

Comfortpro

No reviews yet

Offering reliable professional air conditioning services with diligence. I have been working in the air conditioning field for 10 plus years having first hand knowledge in service and installation projects for Daikin, Fujitsu, American standard, Goodman, carrier systems as well as ductwork fabrication projects and installation for residential and commercial installations

Offering reliable professional air conditioning services with diligence. I have been working in the air conditioning field for 10 plus years having first hand knowledge in service and installation projects for Daikin, Fujitsu, American standard, Goodman, carrier systems as well as ductwork fabrication projects and installation for residential and commercial installations

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Energy Efficiency Auditing questions, answered by experts

If you want a new boiler that’s going to help lower your fuel bills, you should buy one that has a high energy-efficiency rating. For example, a boiler that is rated “A” uses at least 90% of the energy created by the boiler. And in order to enjoy the best performance, it’s important to have it installed properly by a highly-rated tech.

A home energy audit costs about $420 on average, ranging from about $100 to $2,250 or more. Cost factors include the size of your home, the type of testing, and the thoroughness of the audit. A Level 1 walk-through inspection will cost between $150 and $200 for the auditor to point out inefficiencies in your home. On the other hand, a more thorough Level 3 audit with testing and a detailed report will cost about $900.

Homeowners may qualify for an HVAC tax credit if they install an ENERGY STAR®-certified HVAC system that exceeds the energy efficiency minimum standards:

  • Split-System AC: 16 SEER2

  • Packaged AC: 15.2 SEER2 and 11.5 EER2

  • Ducted Split Heat Pump: 15.2 SEER2, 7.8 HSPF2, and 11.7 EER2 

  • Packaged Heat Pump: 15.2 SEER2, 7.2 HSPF2, and 10.6 EER2

  • Mini-Split System: 16 SEER2, 9 HSPF2, and 12 EER2

You can claim up to 30% of the cost of the job, subject to maximums.

As you look for the right soundproofing drywall for you, you’ll likely come across the Sound Transmission Class (STC) rating. This rating measures a building material’s ability to absorb sound. The higher the number, the better the material absorbs rather than reflects sound, reducing noise transmission. The STC rating for drywall doesn’t mean it’s for the panel itself—it refers to the STC rating for the entire wall system, including the soundproofing drywall.

Generator size requirements vary wildly among properties, but typical generator sizes are listed below based on home square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14kW

  • 2,500 sq ft: 12–16kW

  • 3,000 sq ft: 16–20kW+

Unfortunately, home square footage isn’t always a good indicator of generator size requirements. Instead, you should call in a professional to discuss which items in your home you’d like to run via your generator. They can calculate peak and average consumption for those items and then size your generator appropriately for optimal performance.

The Smithtown, NY homeowners’ guide to energy efficiency auditing services

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