Business Details
31 Years
experience
Emergency
services
Trusted Geothermal HVAC Solutions in Baltimore, MD
Ground Loop Heating and Air Conditioning is a third-generation family-owned business specializing in geothermal systems for over 30 years. Our IGSHPA-certified team delivers residential and commercial HVAC solutions, including installation, repair, and maintenance of WaterFurnace geothermal systems. With an A+ BBB rating, we prioritize honesty, integrity, and quality work, serving Maryland and surrounding areas.Our expertise in closed-loop, vertical, and pond-loop configurations ensures tailored energy-efficient solutions. We offer flexible financing, handle rebate paperwork, and provide 24/7 emergency service, backed by decades of industry leadership and customer-centric values.
Services
Geothermal Installation
Maintenance
Repair
Replacement
Commercial Geothermal
New Construction
Loop Configurations
Emergency Services
Financing Options
Residential HVAC
Details
- Year established: 1995
Highlights and features
- We have over 30 years of experience in geothermal HVAC systems.
- Our team includes IGSHPA-certified installers and inspectors.
- We offer 24/7 emergency service for urgent HVAC needs.
- Flexible financing options are available for system upgrades.
- A+ rating with the Better Business Bureau since 1995.
Associations and certifications
- IGSHPA
- Better Business Bureau (A+ rating)
- WaterFurnace Certified
What people say
Knowledgeable service technicians
Prompt and thorough
Proactive care
24/7 personalized support
Excellent energy savings
Services
Geothermal Installation
We design and install custom geothermal systems tailored to residential and commercial properties. Our closed-loop, vertical, and pond-loop configurations ensure energy efficiency and longevity. With WaterFurnace expertise, we handle permits, drilling, and system integration, minimizing disruption while maximizing savings. Customers benefit from federal tax credits and state incentives.
Geothermal Maintenance
Our annual inspections ensure optimal performance of geothermal heat pumps and loops. Technicians check electrical connections, lubricate parts, and clean coils to prevent breakdowns. Preventative maintenance extends system life and maintains efficiency, with 24/7 emergency support for urgent issues.
Geothermal Repair
We diagnose and fix geothermal system failures, including refrigerant leaks, blower malfunctions, and loop pressure issues. Our certified technicians respond promptly to emergencies, restoring comfort with minimal downtime. Repairs are guaranteed for 20 years on loops and 25 years on heat pumps.
Commercial Geothermal
We provide scalable geothermal solutions for commercial properties, including design-build projects and retrofits. Systems reduce energy costs by up to 70% while improving indoor air quality. Our team handles complex installations in offices, schools, and industrial buildings, ensuring compliance with environmental regulations.
New Construction
We integrate geothermal systems into new residential and commercial builds, offering energy-efficient heating and cooling from the ground up. Services include site evaluation, loop design, and coordination with architects. Systems qualify for tax credits and reduce long-term operating costs.
People
Michael Cullum
Company President
A geothermal industry leader with 30+ years of experience, Michael pioneered WaterFurnace installations in Maryland. He now focuses on mentoring his sons and ensuring quality standards, leveraging his expertise to maintain Ground Loop's reputation as a top installer.
Jason Cullum
Vice President
Jason oversees daily operations and customer relations, bringing decades of hands-on geothermal experience. As Vice President of the Maryland Geothermal Association, he advocates for industry growth and educates homeowners on system benefits.
Ted Evans
Sales Manager
Ted specializes in assessing client needs and recommending tailored geothermal solutions. With 20 years in HVAC, he simplifies complex systems for homeowners, ensuring transparent communication and satisfaction throughout the installation process.
Joe Heaps
Field Supervisor
Joe leads installation crews with 25+ years of expertise in loop layout and HVAC integration. His meticulous approach ensures systems operate efficiently, avoiding common pitfalls and guaranteeing long-term reliability for residential and commercial clients.
Questions
What factors affect geothermal system costs?
System size, loop configuration, and property geology determine costs. Federal tax credits and state incentives can offset up to 30% of installation expenses.
How often does geothermal maintenance occur?
Annual professional inspections and bi-annual filter changes are recommended to maintain efficiency and prevent emergencies.
What loop types do you install?
We offer closed-loop, vertical, and pond-loop systems tailored to land availability and geological conditions.
Do you service non-geothermal HVAC?
Yes, we repair and maintain all HVAC brands, including conventional furnaces, air conditioners, and heat pumps.
Are financing options available?
Flexible financing plans help customers afford geothermal upgrades, with assistance navigating rebate paperwork.
How long do geothermal systems last?
Underground loops last 50+ years, while heat pumps operate efficiently for 25 years with proper maintenance.
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