Top HVAC Service Pros in Gaithersburg, Maryland

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GAC Services

Gaithersburg
10

5,348 Reviews

  • Ductless
  • Smart Home Integration
  • Inspection
  • Filtration
  • Ac Installation
  • Emergency Services
  • AC Repair
  • Duct Cleaning
  • Maintenance
  • Indoor Air Quality
  • Furnace Installation

What customers like

Customers consistently praise GAC for its prompt, professional, and knowledgeable service across various needs, from plumbing to HVAC installations. Technicians are noted for clear communication, thorough inspections, and respect for customers' properties, making the overall experience smooth and stress-free. Many reviews highlight fair pricing and a commitment to customer satisfaction.

What customers dislike

Some customers have expressed dissatisfaction with recent price increases and a perceived lack of transparency following company changes. Additionally, a handful of reviews mention concerns about communication and technician behavior, with reports of missed issues during service checks.

  • Monday7am–6:30pm
  • Tuesday7am–6:30pm
  • Wednesday7am–6:30pm
  • Thursday7am–6:30pm
  • Friday7am–6:30pm
  • Saturday7:30am–4pm
  • Sunday7:30am–4pm

Parker Pearce Service Experts

Gaithersburg
10

1,522 Reviews

  • Maintenance
  • Filtration
  • Furnace Installation
  • Indoor Air Quality
  • Zoning Systems
  • Ac Installation
  • Furnace Repair

What customers like

Customers consistently praise Parker Pearce for their exceptional communication, knowledgeable technicians, and reliable service, especially during emergencies. The company is noted for prompt responses, competitive pricing, and thorough work, earning high recommendations for maintaining HVAC systems efficiently and effectively.

What customers dislike

Some customers reported frustrations with poor communication and service quality, leading to unresolved issues and cancellations. A handful of reviews mentioned high pricing and aggressive sales tactics, which contributed to dissatisfaction. Instances of billing errors and lack of follow-up also stood out, leaving some feeling misled or undervalued in their experience.

  • MondayOpen 24 Hours
  • TuesdayOpen 24 Hours
  • WednesdayOpen 24 Hours
  • ThursdayOpen 24 Hours
  • FridayOpen 24 Hours
  • SaturdayOpen 24 Hours
  • SundayOpen 24 Hours

Presidential Heating & Air Conditioning, Inc.

Gaithersburg
10

1,328 Reviews

  • Indoor Air Quality
  • Furnace Installation
  • Ventilation
  • Furnace Repair
  • Inspection
  • Maintenance
  • Filtration
  • Ac Installation

What customers like

Customers consistently praise Presidential Heating & Air Conditioning for their exceptional service, timely communication, and professional installation. Many highlight the company's responsiveness and the knowledgeable staff, who provide clear estimates and thorough work. Additionally, clients appreciate the fair pricing and commitment to customer satisfaction, often recommending them for both heating and cooling needs.

What customers dislike

Some customers express dissatisfaction with Presidential Heating & Air Conditioning due to perceived poor service, high pricing, and inadequate communication. A handful of reviews mention issues with incorrect diagnoses, repeated technician visits, and overall feelings of being undervalued. Concerns regarding transparency in pricing and promised rebates also feature prominently in their experiences.

Environmental Systems Associates

Columbia
10

547 Reviews

  • Indoor Air Quality
  • Ductless
  • Furnace Installation
  • Filtration
  • Ac Installation
  • Maintenance

What customers like

Customers consistently praise ESA for their knowledgeable and professional staff, prompt service, and fair pricing. The company's exceptional communication and dedication to quality work during HVAC installations and maintenance checks make complicated projects manageable and stress-free. Long-term customers appreciate ESA's trustworthiness and honest assessments, showcasing a commitment to customer satisfaction.

What customers dislike

Some customers have reported issues with communication and delays in service, particularly regarding HVAC repairs and warranty claims. A handful of reviews mention feeling overcharged for repairs and express dissatisfaction with the use of refurbished parts. Overall, frustrations center on service quality and accountability.

  • Monday8am–5pm
  • Tuesday8am–5pm
  • Wednesday8am–5pm
  • Thursday8am–5pm
  • Friday8am–5pm
  • SaturdayClosed
  • SundayClosed

B&B Air Conditioning & Heating Service

Rockville
10

540 Reviews

  • Furnace Installation
  • Emergency Services
  • Indoor Air Quality
  • Maintenance
  • Ac Installation
  • Inspection

What customers like

B&B Air Conditioning & Heating Service is praised for its prompt, reliable service, knowledgeable technicians, and high-quality workmanship. Customers appreciate the professionalism, clear communication, and thoroughness of the staff, especially during emergencies. Many long-time clients highlight the competitive pricing and cost-effective solutions, making B&B a trusted choice for HVAC needs.

What customers dislike

Some customers have reported frustrations with high pricing, perceived dishonesty, and a lack of communication from B&B. Experiences with upselling unnecessary services and misdiagnosed issues have led to dissatisfaction. Additionally, delays and poor service quality have contributed to customers feeling overcharged and misled, prompting them to seek alternatives.

  • MondayOpen 24 Hours
  • TuesdayOpen 24 Hours
  • WednesdayOpen 24 Hours
  • ThursdayOpen 24 Hours
  • FridayOpen 24 Hours
  • SaturdayOpen 24 Hours
  • SundayOpen 24 Hours

Air Treatment Company

Vienna
10

522 Reviews

  • Indoor Air Quality
  • Maintenance
  • Furnace Installation
  • AC Repair
  • Ductless
  • Ac Installation

What customers like

Air Treatment Company is highly praised for its exceptional customer service, knowledgeable technicians, and timely responses. Customers appreciate the professionalism, thoroughness, and reasonable pricing for HVAC installations and repairs. The company consistently delivers quality workmanship and clear communication, making it a trusted choice for HVAC needs.

What customers dislike

Some customers have reported frustrations with HVAC installation experiences and poor customer service, including missed appointments and unprofessional technicians. A few reviews mention unexpected pricing for servicing multiple units, leading to disappointment after initial quotes. While some issues were resolved courteously, inconsistencies in service quality appear to be a concern.

  • Monday7:30am–5pm
  • Tuesday7:30am–5pm
  • Wednesday7:30am–5pm
  • Thursday7:30am–5pm
  • Friday7:30am–5pm
  • SaturdayClosed
  • SundayClosed

Nelson's HVAC, LLC

Falls Church
10

448 Reviews

  • Furnace Installation
  • Ventilation
  • Maintenance
  • Ac Installation

What customers like

Customers consistently praise Nelson's HVAC for their exceptional customer service, quick response times, and thorough professionalism. Reviews highlight the company's honest pricing, reliability, and expertise in resolving urgent HVAC issues, making them a top choice for both installation and repair services.

What customers dislike

Some customers express frustration with poor communication and missed appointments at Nelson's HVAC, noting issues like being charged for diagnostics without a quote. A handful of reviews mention feeling overcharged and experiencing low work quality, leading to additional costs and dissatisfaction with service. Overall, these aspects have contributed to some customers seeking alternatives.

  • Monday8am–5pm
  • Tuesday8am–5pm
  • Wednesday8am–5pm
  • Thursday8am–5pm
  • Friday8am–5pm
  • Saturday8am–5pm
  • Sunday8am–5pm

Marco & Son AC & Heating llc

Herndon
10

402 Reviews

  • Furnace Installation
  • Ac Installation

What customers like

Marco and Son consistently receive praise for their exceptional HVAC service, characterized by honest pricing, prompt responses, and knowledgeable technicians. Customers appreciate the quality of work, effective communication, and reliability, often highlighting quick diagnoses and repairs. Many recommend their services for both AC and heating needs, emphasizing the professionalism and integrity of the team.

What customers dislike

Some customers found the technicians to be unprofessional and rude, with suggestions for replacement made without proper assessment. A handful of reviews noted misinformation regarding permit requirements, which raised concerns about the company's overall competency, despite some positive feedback about specific support from staff.

  • Monday8am–5pm
  • Tuesday8am–5pm
  • Wednesday8am–5pm
  • Thursday8am–5pm
  • Friday8am–5pm
  • Saturday8am–12pm
  • SundayClosed

Tempro Heating and Air

Leesburg
10

392 Reviews

  • AC Repair
  • Ductless
  • Ac Installation
  • Furnace Installation

What customers like

Customers consistently praise Tempro for fair pricing, excellent installation, and professional service. They highlight the knowledgeable staff, timely work, and clear communication that enhance the overall experience. Many appreciate the prompt and honest assistance, particularly from technician Luis, who effectively diagnoses and repairs HVAC issues.

What customers dislike

Some customers have noted issues with customer service responsiveness and product quality. A handful of reviews mention delays in shipping and difficulties with returns, which may impact overall satisfaction. Additionally, a few users expressed concerns about pricing, feeling that some products were not worth the cost.

  • Monday6:30am–7pm
  • Tuesday6:30am–7pm
  • Wednesday6:30am–7pm
  • Thursday6:30am–7pm
  • Friday6:30am–7pm
  • Saturday6:30am–7pm
  • Sunday8am–5pm

Honest Air Heating & Air Conditioning (HVAC)

Mt Airy
10

337 Reviews

  • Filtration
  • Furnace Installation
  • Maintenance
  • Emergency Services
  • Indoor Air Quality
  • AC Repair

What customers like

Customers consistently praise Honest Air for their exceptional service, fair pricing, and quick response times. Andrew and his team are noted for their professionalism, fast diagnoses, and effective repairs, especially during emergencies. Many recommend them for their reliability and quality of work.

What customers dislike

Some customers have reported concerns about the manager's demeanor, describing it as rude. Additionally, a handful of reviews mention issues with accountability regarding installation quality, suggesting that customer service may not always meet expectations.

  • Monday7:30am–4:30pm
  • Tuesday7:30am–4:30pm
  • Wednesday7:30am–4:30pm
  • Thursday7:30am–4:30pm
  • Friday7:30am–4:30pm
  • SaturdayClosed
  • SundayClosed
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