• 240-273-4879
  • Year Established: 1987
  • Homeowners Served: 70,000+
  • Number of Employees: 80+
  • License Number(s): MD HVAC 02-47186
"For over 30 years, Horizon Services has delivered expert heating, cooling, and plumbing service for homeowners in your neighborhood. From money-saving offers and same-day service to industry-leading guarantees, we're committed to your complete comfort. Call anytime for 24/7 service, including nights, weekends, and holidays with no emergency fees! Our highly trained technicians respect your home with drop cloths and booties. They respect your time by arriving on time, or your service is free! Our team also respects your wallet, with up-front pricing and warranties you can count on. Call today or visit us online to experience top-rated plumbing, heating, and air conditioning by your Horizon Services team."

Dave Geiger, Founder & Chairman
Principal Owners / Key Managers
Dave Geiger, Founder & Chairman
Five Star Guarantee
We stand behind every Five Star Rated company with Our Guarantee. We've done the research for you and identified the best home service pros in your neighborhood.
Homeowner Reviews

“Horizon Services met my expectations in all areas. They worked on two heat pumps for me, and I had a consultation for plumbing. Everybody I dealt with has been outstanding.”

“I was satisfied with the customer service and them providing inside education about our HVAC system.”

“They exceeded my expectations because they arrived on time, and they were courteous and polite.”

“They were very personable, on time, and I think they did a good job.”

  • 240-273-4879
  • Year Established: 1987
  • Homeowners Served: 70,000+
  • Number of Employees: 80+
  • License Number(s): MD HVAC 02-47186
"For over 30 years, Horizon Services has delivered expert heating, cooling, and plumbing service for homeowners in your neighborhood. From money-saving offers and same-day service to industry-leading guarantees, we're committed to your complete comfort. Call anytime for 24/7 service, including nights, weekends, and holidays with no emergency fees! Our highly trained technicians respect your home with drop cloths and booties. They respect your time by arriving on time, or your service is free! Our team also respects your wallet, with up-front pricing and warranties you can count on. Call today or visit us online to experience top-rated plumbing, heating, and air conditioning by your Horizon Services team."

Dave Geiger, Founder & Chairman
Principal Owners / Key Managers
Dave Geiger, Founder & Chairman
Top Company Features
  • Five Star Guarantee
  • Licensed
  • General Liability Insurance
  • Workers' Compensation Insurance
  • 24/7 Emergency Service
Services Offered
Furnace installation, repair, and maintenance
Heat pump installation, repair, and maintenance
Air conditioning installation, repair, and maintenance
Thermostat installation, repair, and maintenance
Plumbing inspections, repairs, maintenance, and installation
Sewer and drain services
Indoor air quality solutions, installation, repair, and maintenance
24/7 emergency service
Insurance
General Liability & Workers' Compensation
Warranties / Guarantees
Parts-and-labor warranties on installations
Two-year guarantee on repairs
One-year drain clearing guarantee
Up to a ten-year guarantee on water heater installations
Recognitions
A+ Rated and Accredited with the BBB