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50+ Years
experience
Emergency
services
Trusted HVAC & Plumbing Services in Gaithersburg, MD
Established in 1945, Harvey W Hottel, Inc. has built a legacy as a family-owned leader in HVAC and plumbing services across the Mid-Atlantic Region. Our team of licensed professionals undergoes rigorous training to deliver solutions using advanced technologies like VRF and geothermal systems. With a focus on commercial design and installation, we prioritize integrity, innovation, and client satisfaction. Our expertise extends to LEED-certified projects, ensuring energy-efficient constructions that meet modern sustainability standards.

Over decades, we have fostered partnerships with contractors and building owners, offering tailored solutions for municipal institutions, office buildings, schools, and residential complexes. Our commitment to excellence is reflected in our 24/7 emergency services, preventative maintenance programs, and a dedication to staying at the forefront of industry advancements. We pride ourselves on treating every client with respect while exceeding expectations through reliable, cost-effective services.
Services
Commercial HVAC Plumbing Services Geothermal Systems LEED-Certified Contracting Preventative Maintenance Hydro Jetting Backflow Prevention Variable Refrigerant Flow (VRF) Radiator Repair Air Quality Solutions
Details
  • Year established: 1945
Highlights and features
  • We offer 75+ years of experience in commercial HVAC and plumbing services.
  • Our team provides 24/7 emergency response for critical issues.
  • We specialize in LEED-certified green building systems and sustainable solutions.
  • Our geothermal and VRF systems reduce energy costs and environmental impact.
  • Family-owned legacy ensures personalized, client-centric service.
Associations and certifications
  • LEED Certified
What people say
Best HVAC company in the region Great customer service Top-notch technicians Energy-efficient solutions Prompt emergency response
Services
Commercial HVAC
We design, install, and maintain advanced commercial HVAC systems, including VRF and geothermal technologies. Our solutions enhance energy efficiency, reduce operational costs, and ensure optimal climate control for businesses. With 75+ years of expertise, we deliver tailored systems for offices, schools, and industrial facilities.
Plumbing Services
Our 24/7 plumbing services include hydro jetting, backflow prevention, and emergency repairs. Licensed technicians handle complex systems in commercial buildings, ensuring compliance with safety standards. We prioritize long-term durability and minimal downtime for clients.
Geothermal Systems
Geothermal HVAC systems leverage underground energy for sustainable heating and cooling. These systems cut energy bills by up to 50% while offering quiet operation and low maintenance. Ideal for businesses seeking eco-friendly, cost-effective solutions with tax incentives.
LEED-Certified Contracting
We specialize in LEED-certified projects, integrating energy-efficient designs and materials. Our team ensures compliance with rigorous sustainability standards, helping clients achieve certifications for municipal, educational, and corporate facilities.
Preventative Maintenance
Regular maintenance extends HVAC and plumbing system lifespans while preventing costly breakdowns. Our technicians perform inspections, filter changes, and component checks to maintain peak performance and indoor air quality for commercial clients.
People
Mark Hottel
President
Mark Hottel leads with decades of industry experience, upholding the family legacy of innovation and integrity. He oversees strategic growth and ensures adherence to quality standards across all projects.
Jeff Hottel
Vice President
Jeff Hottel manages operations and client relations, leveraging his expertise in commercial HVAC systems. He focuses on delivering efficient, sustainable solutions tailored to client needs.
Scot Hottel
Project Manager
Scot Hottel coordinates complex installations and renovations, ensuring timely execution and compliance with LEED standards. His leadership drives successful outcomes for large-scale commercial projects.
Questions
What services does Harvey W. Hottel, Inc. offer?
We provide commercial HVAC, plumbing, geothermal systems, LEED-certified contracting, and preventative maintenance. Our expertise includes installations, repairs, and energy-efficient upgrades for businesses.
Do you offer emergency services?
Yes, we provide 24/7 emergency HVAC and plumbing services to address critical issues promptly and minimize downtime for commercial clients.
What are the benefits of geothermal HVAC systems?
Geothermal systems reduce energy costs by up to 50%, offer quiet operation, and qualify for tax credits. They provide sustainable heating and cooling with minimal maintenance requirements.
Are you LEED-certified?
Yes, we specialize in LEED-certified projects, ensuring energy-efficient designs and materials that meet rigorous sustainability standards for commercial buildings.
What areas do you serve?
We serve Washington DC, Maryland, Virginia, and the broader Mid-Atlantic region, offering tailored HVAC and plumbing solutions for commercial clients.
Why choose preventative maintenance?
Preventative maintenance extends system lifespans, prevents breakdowns, and ensures optimal performance. Our inspections and tune-ups maintain efficiency and indoor air quality for businesses.
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Reviews (5)
Allison Weiss
Oct 28, 2019 Report
This is our go-to HVAC company when we have a problem that no one else can solve. They really are the best HVAC company in the region.
Edgar S.
Apr 26, 2019 Report
I have had nothing but great work from Harvey Hottel with outstanding customer service to our property. From air condition to plumbing issues they are number #1. Thank you for your constant professional service. Edgar S.
Brad Klinedinst
Jun 04, 2018 Report
Quality new equipment installs and service. Fairly priced. Very capable metal fab too. One stop shop for commercial HVAC. And we had peace-of-mind knowing the job would be done right. Repeat customer.
Carrie Woodard
Feb 13, 2018 Report
Harvey W. Hottel, Inc's Plumbing & HVAC departments are top notch! Excellent customer service and the guys in the field are second to none! My company has been working with them for almost 6 years and I look forward to working with them for many more to come. We are highly satisfied & would recommend them to all.
Rob Segal
Jan 17, 2018 Report
I am a Class A builder in Virginia and Maryland and Harvey Hottel has installed all of our HVAC systems for over fifteen years. Their technical expertise is exceptional and they are very proud and easy to work with. West Wing Builders, Inc. is fortunate to have this team work with us!