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Avatar for Holtzople Heating, Air Conditioning, & Electrical Services

Holtzople Heating, Air Conditioning, & Electrical Services

16424 Old Frederick Rd
4.87(
190
)
Approved Pro

Holtzople Heating, Air Conditioning, & Electrical Services

16424 Old Frederick Rd
4.87(
190
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
36 local quotes requested

Holtzople is a leading HVAC company in Frederick, Carroll, and Washington counties in Maryland, as well as Adams and small parts of Franklin & York counties in Pennsylvania, featuring all the top brands in the Heating and Cooling industry, such as Trane, Bryant, Lennox, Carrier, ClimateMaster, WaterFurnace, and more. We recently added an electrical department to our services, making us your one-stop shop for HVAC and electrical needs. Quality is Not Expensive, It's Priceless!

"We had an outstanding experience with Holtzople Heating, Air Conditioning & Electrical Services thanks to the excellent work of Andrew and Jake. From the moment they arrived, they were professional, courteous, and clearly very knowledgeable. Andrew and Jake took the time to explain everything they were doing, answered all of our questions patiently, and worked efficiently to get the job done right. Their attention to detail and commitment to quality were obvious throughout the entire process. Our installation was seamless and we are very pleased. It’s not every day you find staff who combine technical skill with great customer service, but these two really delivered. It’s clear that Holtzople hires top-notch staff, and I wouldn’t hesitate to recommend their services to anyone. In fact, we are now repeat customers and have used Holtzople for additional services. Thanks again to Andrew and Jake for a job well done, and Holtzople for providing excellent products and services!"

Joanne M on October 2025

Holtzople is a leading HVAC company in Frederick, Carroll, and Washington counties in Maryland, as well as Adams and small parts of Franklin & York counties in Pennsylvania, featuring all the top brands in the Heating and Cooling industry, such as Trane, Bryant, Lennox, Carrier, ClimateMaster, WaterFurnace, and more. We recently added an electrical department to our services, making us your one-stop shop for HVAC and electrical needs. Quality is Not Expensive, It's Priceless!

"We had an outstanding experience with Holtzople Heating, Air Conditioning & Electrical Services thanks to the excellent work of Andrew and Jake. From the moment they arrived, they were professional, courteous, and clearly very knowledgeable. Andrew and Jake took the time to explain everything they were doing, answered all of our questions patiently, and worked efficiently to get the job done right. Their attention to detail and commitment to quality were obvious throughout the entire process. Our installation was seamless and we are very pleased. It’s not every day you find staff who combine technical skill with great customer service, but these two really delivered. It’s clear that Holtzople hires top-notch staff, and I wouldn’t hesitate to recommend their services to anyone. In fact, we are now repeat customers and have used Holtzople for additional services. Thanks again to Andrew and Jake for a job well done, and Holtzople for providing excellent products and services!"

Joanne M on October 2025


"We bought a new construction and McCrea installed the HVAC. Home inspection identified the heat pump was not working in Oct. 2020. McCrea identified it was due to leaking refrigerants and promise fixed the issue. Our electric bill was extremely high the following two months and the heat pump was not cooling in Spring 2021. McCrea sent technician and again repaired the system. Bought their maintenance plan. We had 4+ repairs plus regular tune up in the past two years. Last week the heat pump stopped cooling again. We are out of labor warranty and charge us with $89 diagnostic cost after membership discount. It took three days for them to send someone to check while we suffering 90F in our house. They identified the compressor dead and need replacement. They charge $1900 for labor after membership discount. Most likely cause of the compressor failure is "suicide" with assistance. Low refrigerant at beginning and over change in later repairs likely contributed the short life."

Wei X on July 2023

McCrea is a family owned business that has served our area since 1936. Financing and rebates are available on Trane systems installed by McCrea. Resistrictions apply and these are limited time offers call for details. "Its hard to stop a Trane"

"We bought a new construction and McCrea installed the HVAC. Home inspection identified the heat pump was not working in Oct. 2020. McCrea identified it was due to leaking refrigerants and promise fixed the issue. Our electric bill was extremely high the following two months and the heat pump was not cooling in Spring 2021. McCrea sent technician and again repaired the system. Bought their maintenance plan. We had 4+ repairs plus regular tune up in the past two years. Last week the heat pump stopped cooling again. We are out of labor warranty and charge us with $89 diagnostic cost after membership discount. It took three days for them to send someone to check while we suffering 90F in our house. They identified the compressor dead and need replacement. They charge $1900 for labor after membership discount. Most likely cause of the compressor failure is "suicide" with assistance. Low refrigerant at beginning and over change in later repairs likely contributed the short life."

Wei X on July 2023


Avatar for United Solar

United Solar

No reviews yet

United Solar

No reviews yet

If you're looking to save money, stop renting your electricity from your electric company and take control of your monthly electric bill- solar can help! With great warranties, completely virtual and free consultations, we can evaluate your house, your needs and what solar will look like for you to see if its a good fit! Solar is growing and more and more people are reaping the finial benefits of solar every day. Contact me to see what solar would look like for you!

If you're looking to save money, stop renting your electricity from your electric company and take control of your monthly electric bill- solar can help! With great warranties, completely virtual and free consultations, we can evaluate your house, your needs and what solar will look like for you to see if its a good fit! Solar is growing and more and more people are reaping the finial benefits of solar every day. Contact me to see what solar would look like for you!


Avatar for RSS Solar

RSS Solar

Aurora Ave.
No reviews yet

RSS Solar

Aurora Ave.
No reviews yet
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.


WV Energy Auditors, LLC

687 Holden Dr
No reviews yet

WV Energy Auditors, LLC

687 Holden Dr
No reviews yet

A certified energy auditor can show you how your home uses and loses energy while giving you a priority based plan for improvement. Using the latest technology, and sound building science we can help you understand how your home loses energy. Rebates and financing may be available in your area, and the savings can pay toward making your home more safe, comfortable, and energy efficient.

A certified energy auditor can show you how your home uses and loses energy while giving you a priority based plan for improvement. Using the latest technology, and sound building science we can help you understand how your home loses energy. Rebates and financing may be available in your area, and the savings can pay toward making your home more safe, comfortable, and energy efficient.


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


Avatar for USA Alarm Service, Inc

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.


Avatar for Accredited Environmental Technologies

Accredited Environmental Technologies

28 N Pennell Rd
No reviews yet

Accredited Environmental Technologies

28 N Pennell Rd
No reviews yet
41 years of experience

Solutions to complex environmental problems consulting and contracting includes asbestos, lead, pcb, mold, water damage, industrial hygiene, indoor air quality, hvac, osha, underground storage tanks, environmental site assessments, vapor intrusion, brownfield investigations, restoration consulting, environmental claims investigation, waste disposal, characterization & general environmental concerns.

Solutions to complex environmental problems consulting and contracting includes asbestos, lead, pcb, mold, water damage, industrial hygiene, indoor air quality, hvac, osha, underground storage tanks, environmental site assessments, vapor intrusion, brownfield investigations, restoration consulting, environmental claims investigation, waste disposal, characterization & general environmental concerns.



Pro Eco-Energy Audits

P.O. Box 445
5.00(
1
)

Pro Eco-Energy Audits

P.O. Box 445
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Residential and Commercial Home Performance Professionals - Building Performance Institute ( BPI ) certified Building analysts offering full diagnostic assessments to improve building comfort, safety and efficiency. Servicing customers in the Penelec, MET-ED and West Penn Power Service areas. Participating Contractor in FirstEnergy's PCAP / LIPURP / Whole House Audit programs. Located in Chambersburg, Pa

Residential and Commercial Home Performance Professionals - Building Performance Institute ( BPI ) certified Building analysts offering full diagnostic assessments to improve building comfort, safety and efficiency. Servicing customers in the Penelec, MET-ED and West Penn Power Service areas. Participating Contractor in FirstEnergy's PCAP / LIPURP / Whole House Audit programs. Located in Chambersburg, Pa

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Energy Efficiency Auditing questions, answered by experts

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.

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. 

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.

Leaving vents open but closing doors in unused rooms will probably not save money on your energy bill. Closed doors prevent the natural flow of air throughout the home, which could reduce the efficiency of the overall HVAC system. They could also restrict airflow into and through the return vents, making the HVAC system less efficient.

A good SEER rating is between 15 and 20. However, if you want the best possible efficiency, look for HVAC units with a SEER rating higher than 21. Keep in mind that the SEER rating doesn’t mean that the unit will reach that efficiency all the time, but it does have the capacity to operate at that high of an efficiency level.

The Waynesboro, PA homeowners’ guide to energy efficiency auditing services

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