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  • Average homeowner rating star icon4.3
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  • Verified reviews icon11
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Perryman

Avatar for Home Energy Saving Solutions

Home Energy Saving Solutions

5268G Nicholson Ln
4.97(
90
)
Approved Pro

Home Energy Saving Solutions

5268G Nicholson Ln
4.97(
90
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 local quotes requested

As a Maryland certified Home Performance with Energy Star contractor, we focus on making homes efficient and comfortable. Our energy audits and energy efficiency improvements usually qualify for generous state incentives and rebates through Pepco, BGE, and Potomac Edison. Mo is the owner/operator at Home Energy Saving Solutions. He has a deep depth of knowledge and experience gained from well over 1000 energy audits. Participation in numerous industry groups and conferences further enhance the expertise brought to each home energy audit. We will inspect your entire home as a system and evaluate energy loss and comfort issues using advanced diagnostic equipment. At the conclusion of the audit you will be presented with a comprehensive report detailing all findings and solutions, along with a payback period for repair and retrofit options.

"Mohammed handled our project—sealing and insulating our attic. He was very knowledgeable about the best way to accomplish the task in an older home such as ours; and he also ensured that our project qualified for relevant energy rebates. He was professional and courteous in answering all our questions and completed the project in one day. We highly recommend HESS and Mohammed El-Goul."

Janet B on August 2024

As a Maryland certified Home Performance with Energy Star contractor, we focus on making homes efficient and comfortable. Our energy audits and energy efficiency improvements usually qualify for generous state incentives and rebates through Pepco, BGE, and Potomac Edison. Mo is the owner/operator at Home Energy Saving Solutions. He has a deep depth of knowledge and experience gained from well over 1000 energy audits. Participation in numerous industry groups and conferences further enhance the expertise brought to each home energy audit. We will inspect your entire home as a system and evaluate energy loss and comfort issues using advanced diagnostic equipment. At the conclusion of the audit you will be presented with a comprehensive report detailing all findings and solutions, along with a payback period for repair and retrofit options.

"Mohammed handled our project—sealing and insulating our attic. He was very knowledgeable about the best way to accomplish the task in an older home such as ours; and he also ensured that our project qualified for relevant energy rebates. He was professional and courteous in answering all our questions and completed the project in one day. We highly recommend HESS and Mohammed El-Goul."

Janet B on August 2024


Avatar for Aire Serv of Bel Air

Aire Serv of Bel Air

.
4.60(
5
)
Approved Pro

Aire Serv of Bel Air

.
4.60(
5
)
Approved Pro
Customers say: Quick response
31 local quotes requested
26 years of experience

There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time. No Overtime Charge Anytime Service Upfront Pricing Fixed Right Promise Expert Service Professionals Testimonials Advantage Plan (Maintenance Plan) Guarantees Flexible Financing over $200 SERVICES Installation Gas Furnaces Oil Furnaces Air Conditioning Systems Heat Pump Systems Mini Split Systems Oil Boilers Gas Boilers Modulating Boilers Commercial Boilers Water Heaters Oil Tanks Oil Lines Gas Lines Duct Work Service Gas Furnace Repairs Oil Furnace Repairs Air Conditioning Repairs Heat Pump Repairs Mini Split Repairs Oil Boilers Repairs Gas Boiler Repairs Modulating Boiler Repairs Commercial Boiler Repairs Gas Leak Detection Propane Leak Detection Oil Water Tests Maintenance Gas Furnace Tune Up Oil Furnace Tune Up Air Conditioning Tune up Heat Pump Tune up Mini Split Tune up Oil Boiler Tune up Gas Tune up Modulating Tune up Commercial Tune up Duct Cleaning Cleaning Sanitization Maintenance Sealing Replacement Dryer vent cleaning Video inspection Air purifier installation Antimicrobial coating treatments Duct leak testing

"Sunday 6/22 my mom's air conditioner was struggling. We called Aireserv who set up for their tech Bryson Bean to come out to mom's house. From the bright greeting smile as he introduced himself to the going over everything he was very professional and patient with all my questions. Highly recommend Aireserv for any of your heating and air conditioning issues. Thank you Bryson for being so you and personable."

Karen B on June 2025

There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time. No Overtime Charge Anytime Service Upfront Pricing Fixed Right Promise Expert Service Professionals Testimonials Advantage Plan (Maintenance Plan) Guarantees Flexible Financing over $200 SERVICES Installation Gas Furnaces Oil Furnaces Air Conditioning Systems Heat Pump Systems Mini Split Systems Oil Boilers Gas Boilers Modulating Boilers Commercial Boilers Water Heaters Oil Tanks Oil Lines Gas Lines Duct Work Service Gas Furnace Repairs Oil Furnace Repairs Air Conditioning Repairs Heat Pump Repairs Mini Split Repairs Oil Boilers Repairs Gas Boiler Repairs Modulating Boiler Repairs Commercial Boiler Repairs Gas Leak Detection Propane Leak Detection Oil Water Tests Maintenance Gas Furnace Tune Up Oil Furnace Tune Up Air Conditioning Tune up Heat Pump Tune up Mini Split Tune up Oil Boiler Tune up Gas Tune up Modulating Tune up Commercial Tune up Duct Cleaning Cleaning Sanitization Maintenance Sealing Replacement Dryer vent cleaning Video inspection Air purifier installation Antimicrobial coating treatments Duct leak testing

"Sunday 6/22 my mom's air conditioner was struggling. We called Aireserv who set up for their tech Bryson Bean to come out to mom's house. From the bright greeting smile as he introduced himself to the going over everything he was very professional and patient with all my questions. Highly recommend Aireserv for any of your heating and air conditioning issues. Thank you Bryson for being so you and personable."

Karen B on June 2025


Avatar for Horizon Services

Horizon Services

2607 N ROLLING RD
4.76(
29
)
Approved Pro

Horizon Services

2607 N ROLLING RD
4.76(
29
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
243 local quotes requested

When you need A/C, heating, or plumbing services, look no further than Horizon Services. For nearly 30 years, we’ve been the trusted name in plumbing, heating, and air conditioning, offering an unmatched level of service at reasonable rates.

"Very well. They were very professional and efficient."

Barbara B on January 2023

When you need A/C, heating, or plumbing services, look no further than Horizon Services. For nearly 30 years, we’ve been the trusted name in plumbing, heating, and air conditioning, offering an unmatched level of service at reasonable rates.

"Very well. They were very professional and efficient."

Barbara B on January 2023


Elysian Energy, LLC

14300 Cherry Lane Ct., Suite 214
New on AngiNew on Angi
Approved Pro

Elysian Energy, LLC

14300 Cherry Lane Ct., Suite 214
New on AngiNew on Angi
Approved Pro
18 years of experience
Free onsite estimate

Elysian Energy, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 50 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Elysian Energy, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 50 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!


Avatar for York Home Performance, LLC

York Home Performance, LLC

1052 Mt. Rose Ave
4.75(
14
)
Approved Pro

York Home Performance, LLC

1052 Mt. Rose Ave
4.75(
14
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
13 local quotes requested

Diagnosing what's happening in your house is the first step toward a comfortable and efficient home. Our certified professionals have been trained to conduct energy audits that employ scientific instruments, computerized analysis and reporting and practical recommendations to improve your home's comfort and efficiency. With your energy audit data in hand, we can review your home's specific needs, and the range of solutions that fit within your budget. Our experience with rebate programs for customers of FirstEnergy Utilities, Baltimore Gas and Electric and PPL Electric takes the hassle out of improving your home. We're ready to assist homeowners with insulation, air sealing, heating and cooling and home exterior upgrades.

"We recently had York Home Performance complete an insulation upgrade at our home, and we couldn’t be happier with the results. From start to finish, their team was professional, knowledgeable, and incredibly efficient. Chris and Garnett were great. Chris took the time to evaluate our home's needs and walked us through the entire process so we knew exactly what to expect. One of the most impressive parts of the experience was how he helped us find excellent discounts that we didn’t even know were available. Thanks to his expertise, we were able to take advantage of local utility incentives that significantly reduced the overall cost—making the project extremely affordable. The quality of the insulation work itself was top-notch. Our home is noticeably more comfortable, and we know we will see a difference in our energy bills. It's rare to find a company that combines great workmanship with outstanding customer service and affordability, but York Home Performance delivered on all fronts"

Roy P on September 2025

Diagnosing what's happening in your house is the first step toward a comfortable and efficient home. Our certified professionals have been trained to conduct energy audits that employ scientific instruments, computerized analysis and reporting and practical recommendations to improve your home's comfort and efficiency. With your energy audit data in hand, we can review your home's specific needs, and the range of solutions that fit within your budget. Our experience with rebate programs for customers of FirstEnergy Utilities, Baltimore Gas and Electric and PPL Electric takes the hassle out of improving your home. We're ready to assist homeowners with insulation, air sealing, heating and cooling and home exterior upgrades.

"We recently had York Home Performance complete an insulation upgrade at our home, and we couldn’t be happier with the results. From start to finish, their team was professional, knowledgeable, and incredibly efficient. Chris and Garnett were great. Chris took the time to evaluate our home's needs and walked us through the entire process so we knew exactly what to expect. One of the most impressive parts of the experience was how he helped us find excellent discounts that we didn’t even know were available. Thanks to his expertise, we were able to take advantage of local utility incentives that significantly reduced the overall cost—making the project extremely affordable. The quality of the insulation work itself was top-notch. Our home is noticeably more comfortable, and we know we will see a difference in our energy bills. It's rare to find a company that combines great workmanship with outstanding customer service and affordability, but York Home Performance delivered on all fronts"

Roy P on September 2025


Broyles HVACR

37 Neptune Drive
5.00(
11
)

Broyles HVACR

37 Neptune Drive
5.00(
11
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Broyles HVACR, LLC is a locally-owned full-service HVAC /natural gas company that helps customers in Baltimore County and surrounding areas. Our service technician is experienced, we strive to provide HVAC /gas services that are affordable to everyone, and our technician works efficiently to get your heating or cooling system up-and-running to save on costs. We have 12 years experience in the HVACR/gas field and in your community.

"Great prices great service"

Jill B on October 2022

Broyles HVACR, LLC is a locally-owned full-service HVAC /natural gas company that helps customers in Baltimore County and surrounding areas. Our service technician is experienced, we strive to provide HVAC /gas services that are affordable to everyone, and our technician works efficiently to get your heating or cooling system up-and-running to save on costs. We have 12 years experience in the HVACR/gas field and in your community.

"Great prices great service"

Jill B on October 2022


Prominent Home Inspections. LLC

4300 Carleview Rd
5.00(
1
)

Prominent Home Inspections. LLC

4300 Carleview Rd
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Best home/commercial inspector in town. We specialize in prominent home/commercial inspection and all your environmental testing! Plus state of Maryland rental inspections included. We take pride in being honest and keeping our integrity. We have been in business for more than 20+ years.

"When it comes to offering home inspection services, I cannot recommend Chris highly enough. He arrived at my property before our scheduled appointment, and was thorough, espsecially when it came to explaining how certian utilities, like the water shutoff, water heater, fusebox and HVAC systems worked. I know he would be as thorough with your house as he was with mine."

Donald M on July 2019

Best home/commercial inspector in town. We specialize in prominent home/commercial inspection and all your environmental testing! Plus state of Maryland rental inspections included. We take pride in being honest and keeping our integrity. We have been in business for more than 20+ years.

"When it comes to offering home inspection services, I cannot recommend Chris highly enough. He arrived at my property before our scheduled appointment, and was thorough, espsecially when it came to explaining how certian utilities, like the water shutoff, water heater, fusebox and HVAC systems worked. I know he would be as thorough with your house as he was with mine."

Donald M on July 2019


All Temp Insulation, LLC

7762 East Shore Road
5.00(
1
)

All Temp Insulation, LLC

7762 East Shore Road
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

All Temp Insulation, LLC is a BGE Smart Energy Saver Contractor. Call us today to find out how to make your home or business more energy efficient.

All Temp Insulation, LLC is a BGE Smart Energy Saver Contractor. Call us today to find out how to make your home or business more energy efficient.


USA Alarm Service, Inc

510 S Clearwater Loop
No reviews yet

USA Alarm Service, Inc

510 S Clearwater Loop
No reviews yet
29 years of experience

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.


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Energy Efficiency Auditing questions, answered by experts

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.

Expert installation optimizes insulation properties, cutting energy costs and enhancing home comfort year-round.

Heat pumps transfer existing heat instead of generating it, using less energy. Compared to baseboard heaters, they can reduce heating costs by up to 50% and provide efficient cooling, lowering electricity bills and carbon footprint.

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.

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.

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The Perryman, MD homeowners’ guide to energy efficiency auditing services

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