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TRUSTED BY THURMONT, MD HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon158
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Thurmont

Avatar for GAC Services

GAC Services

4.80(
279
)
Approved Pro

GAC Services

4.80(
279
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
612 local quotes requested

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak K on February 2025

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak K on February 2025


Avatar for TriState Home Services

TriState Home Services

4.64(
195
)
Approved Pro

TriState Home Services

4.64(
195
)
Approved Pro
Customers say: Super punctual
239 local quotes requested
76 years of experience

If you are looking for a HVAC Contractor, a Plumbing Contractor, or an Electrical Contractor to provide you with great service, you've come to the right place. We provide heating services, air conditioning services, plumbing services, and electrical services to our customers in Frederick and the surrounding Counties, the Pan Handle of West Virginia, and Northern Virginia, from our offices located in Frederick MD. With 3 generations of experience in providing heating, air conditioning, plumbing, and electrical services, we are dedicated to providing the best possible products and services for you, and your family.

"Great service very prompt and easy to work with."

Randy W on May 2025

If you are looking for a HVAC Contractor, a Plumbing Contractor, or an Electrical Contractor to provide you with great service, you've come to the right place. We provide heating services, air conditioning services, plumbing services, and electrical services to our customers in Frederick and the surrounding Counties, the Pan Handle of West Virginia, and Northern Virginia, from our offices located in Frederick MD. With 3 generations of experience in providing heating, air conditioning, plumbing, and electrical services, we are dedicated to providing the best possible products and services for you, and your family.

"Great service very prompt and easy to work with."

Randy W on May 2025


"Great folks to work with"

Tom H on September 2023

Here at Weather Masters we pride ourselves on affordable, reliable and honest service. With free replacement estimates and competitive service rates, we do our best to keep you and your bank account comfortable.

"Great folks to work with"

Tom H on September 2023


Avatar for Wenbrooke Services

Wenbrooke Services

4.71(
100
)
Approved Pro

Wenbrooke Services

4.71(
100
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
87 local quotes requested

It is our mission, to provide excellent workmanship and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"They did a great job. "

Atiq H on July 2025

It is our mission, to provide excellent workmanship and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"They did a great job. "

Atiq H on July 2025


Avatar for SPECS Heating & Cooling

SPECS Heating & Cooling

5.00(
14
)
Approved Pro

SPECS Heating & Cooling

5.00(
14
)
Approved Pro
Customers say: Quick response
98 local quotes requested
1 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Service was fast and courteous. Both techs, Jermaine and Raoul, were great!"

Karen J on September 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Service was fast and courteous. Both techs, Jermaine and Raoul, were great!"

Karen J on September 2025


Avatar for Holtzople Heating, Air Conditioning, & Electrical Services

Holtzople Heating, Air Conditioning, & Electrical Services

4.94(
175
)
Approved Pro

Holtzople Heating, Air Conditioning, & Electrical Services

4.94(
175
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
40 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!

"Holtzople installed a geothermal system in 2013 to replace our heating oil furnace and electric air conditioning unit. Boy did that cut our heating and cooling bill way down! This review is about the recent semi-annual service maintenance visit. Shout out to Kevin the technician who is friendly, professional and focused. He gets right down to business and is quiet as a mouse as he thoroughly goes through the extensive maintenance checklist and performs all required tasks. He then takes the time to fully brief us on what he did what he found and what if anything he recommends. He then opens it up for questions and is very patient and thorough in answereing any questions we might have. Hint: he's also an expert on anything Disney World if you might be thinking about visiting there.... We highly recommend Holtzople, a great company, because they really do take care of us."

Randy B on November 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!

"Holtzople installed a geothermal system in 2013 to replace our heating oil furnace and electric air conditioning unit. Boy did that cut our heating and cooling bill way down! This review is about the recent semi-annual service maintenance visit. Shout out to Kevin the technician who is friendly, professional and focused. He gets right down to business and is quiet as a mouse as he thoroughly goes through the extensive maintenance checklist and performs all required tasks. He then takes the time to fully brief us on what he did what he found and what if anything he recommends. He then opens it up for questions and is very patient and thorough in answereing any questions we might have. Hint: he's also an expert on anything Disney World if you might be thinking about visiting there.... We highly recommend Holtzople, a great company, because they really do take care of us."

Randy B on November 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 Harrell's Services

Harrell's Services

5.00(
4
)
Approved Pro

Harrell's Services

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 local quotes requested

We are a small family owned Heating, Ventilation, and Air Conditioning (HVAC) company located in Sharpsburg, MD. The business was started in 1989 under the name of RW Harrell's Pump Service Inc. when Diane Harrell and Ronnie Harrell purchased a well pump and water system business from a gentleman that was retiring. Ronnie had worked in the HVAC field from the time he had graduated from high school so it was natural to add HVAC to the services that this new company would offer. Ronnie and Diane built the company by word of mouth and continue to grow the company in this manner. Additional DBA - Harrell's Services. Additional fax - 928-492-8004

We are a small family owned Heating, Ventilation, and Air Conditioning (HVAC) company located in Sharpsburg, MD. The business was started in 1989 under the name of RW Harrell's Pump Service Inc. when Diane Harrell and Ronnie Harrell purchased a well pump and water system business from a gentleman that was retiring. Ronnie had worked in the HVAC field from the time he had graduated from high school so it was natural to add HVAC to the services that this new company would offer. Ronnie and Diane built the company by word of mouth and continue to grow the company in this manner. Additional DBA - Harrell's Services. Additional fax - 928-492-8004


Avatar for Miles Yellott

Miles Yellott

5.00(
5
)

Miles Yellott

5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

I’m Miles, and I have been in the electrical industry for 4 years. I have completed high school trade schooling and 4 year technical schooling. My best skillset is in residential wiring, including new construction wiring, remodels, troubleshooting, electrical panels, fixture installation, and much more. I’m also skilled in commercial work, such as bending and installing conduit, running MC cable, and working on three phase power systems. I work independently at a company but I enjoy doing work for people on my days off or in my free time. I have multiple clients that I’ve been working with for years, they’ve become more of friends than just people I work for. I enjoy my work and the people it allows me to get to know and help.

"Perfect. What a wonderful gentleman."

Mel M on February 2025

I’m Miles, and I have been in the electrical industry for 4 years. I have completed high school trade schooling and 4 year technical schooling. My best skillset is in residential wiring, including new construction wiring, remodels, troubleshooting, electrical panels, fixture installation, and much more. I’m also skilled in commercial work, such as bending and installing conduit, running MC cable, and working on three phase power systems. I work independently at a company but I enjoy doing work for people on my days off or in my free time. I have multiple clients that I’ve been working with for years, they’ve become more of friends than just people I work for. I enjoy my work and the people it allows me to get to know and help.

"Perfect. What a wonderful gentleman."

Mel M on February 2025


GUS HVAC

No reviews yet

GUS HVAC

No reviews yet
8 years of experience

GUS HAVC is a provider of comprehensive air conditioning services, dedicated to enhancing indoor comfort and air quality for residential, commercial, and industrial clients. With a commitment to excellence and customer satisfaction, we offer a range of tailored solutions to meet the unique needs of each client. Services Offered: Installation: Our experienced technicians specialize in the professional installation of state-of-the-art air conditioning systems, ensuring optimal performance and energy efficiency. Whether it's a single-room unit or a complex central cooling system, we have the expertise to handle projects of any scale. Maintenance: Regular maintenance is essential for the longevity and efficiency of air conditioning systems. Our maintenance packages include thorough inspections, cleaning, and tune-ups to prevent breakdowns and maximize performance, ultimately saving our clients time and money. Repair: In the event of a malfunction or breakdown, our team of skilled technicians is available for prompt and reliable repair services. We diagnose issues accurately and efficiently, employing industry-best practices to restore comfort to our clients' spaces quickly. Upgrades and Retrofits: As technology evolves, so do air conditioning systems. We offer upgrade and retrofit services to modernize existing systems, improve energy efficiency, and enhance overall performance, providing cost-effective solutions for clients looking to optimize their cooling infrastructure. Why Choose GUS HVAC? Expertise: experienced technicians who possess in-depth knowledge of air conditioning systems and industry best practices. Reliability: We understand the importance of timely service and strive to exceed our clients' expectations with prompt response times and efficient solutions. Commitment to Quality: From product selection to installation and ongoing maintenance, we use only high-quality materials and equipment to ensure the reliability and longevity of our services.

GUS HAVC is a provider of comprehensive air conditioning services, dedicated to enhancing indoor comfort and air quality for residential, commercial, and industrial clients. With a commitment to excellence and customer satisfaction, we offer a range of tailored solutions to meet the unique needs of each client. Services Offered: Installation: Our experienced technicians specialize in the professional installation of state-of-the-art air conditioning systems, ensuring optimal performance and energy efficiency. Whether it's a single-room unit or a complex central cooling system, we have the expertise to handle projects of any scale. Maintenance: Regular maintenance is essential for the longevity and efficiency of air conditioning systems. Our maintenance packages include thorough inspections, cleaning, and tune-ups to prevent breakdowns and maximize performance, ultimately saving our clients time and money. Repair: In the event of a malfunction or breakdown, our team of skilled technicians is available for prompt and reliable repair services. We diagnose issues accurately and efficiently, employing industry-best practices to restore comfort to our clients' spaces quickly. Upgrades and Retrofits: As technology evolves, so do air conditioning systems. We offer upgrade and retrofit services to modernize existing systems, improve energy efficiency, and enhance overall performance, providing cost-effective solutions for clients looking to optimize their cooling infrastructure. Why Choose GUS HVAC? Expertise: experienced technicians who possess in-depth knowledge of air conditioning systems and industry best practices. Reliability: We understand the importance of timely service and strive to exceed our clients' expectations with prompt response times and efficient solutions. Commitment to Quality: From product selection to installation and ongoing maintenance, we use only high-quality materials and equipment to ensure the reliability and longevity of our services.

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Heating and Air Conditioning questions, answered by experts

If you’re looking for a portable, budget-friendly cooling solution that doesn’t require any venting or installation, a ventless AC system is a good option. Similarly, this is a great choice if you’re renting an apartment or home and aren’t allowed to make large, structural changes like installing comprehensive HVAC, or you’re in a shared space and only need to cool your own room.

Yes, you can clean AC coils yourself. Just make sure that the power to your AC system is off before you begin. You’ll need some basic tools and supplies, including a soft brush, cloth, screwdriver, and a commercial or homemade cleaning solution. Cleaning your coils will only cost about $10.

No, a licensed local AC repair technician must replace AC coils due to the need to handle hazardous refrigerants. Attempting DIY poses risks to your personal safety, as most refrigerants are flammable and toxic. You also risk voiding your warranty with the HVAC company and causing damage to the unit.

No, you should not run an air conditioner with a Freon leak. If you think your AC unit is leaking refrigerant, shut it off immediately. When you keep using a leaky air conditioner, it could damage the unit and release more refrigerant. After turning off the AC, have an HVAC pro come take a look at the unit.

On average, the cost to repair an air conditioner hovers around $350, but it can cost anywhere between $130 to $3,000, depending on the type of air conditioner and the difficulty of the repair. Repairing an air conditioner yourself can still be costly, requiring specialty tools. Any repairs more complicated than replacing a filter are likely best left to the pros.

The Thurmont, MD homeowners’ guide to heating and air conditioning services

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