Top Rated Plumbers in Your Area
Prime One Services
Prime One Services provides fast, reliable, and professional HVAC services. From emergency repairs to full installations, we've got you covered 24/7.
40+
Years Experience
100%
Fully Insured
Veteran
Owned & Operated
24/7
Emergency Service
Trusted Local Experts
Serving the community with integrity since 1983.
ABOUT US
More Than Just HVAC Experts
Founded on principles of integrity, hard work, and exceptional craftsmanship, Prime One Services has been the go-to HVAC service for a decade. As a fully licensed HVAC specialists we bring discipline and dedication to every job, big or small.
Our team of licensed, fully insured HVAC experts are equipped with years of experience and qualifications to fix your HVAC issues quickly and efficiently.
Licensed HVAC Specialists
Clean & Respectful Techs
- Upfront, Flat-Rate Pricing
- 100% Satisfaction Guarantee
Our Services
Comprehensive HVAC Solutions
From minor repairs to major installations, our expert team handles it all with precision and care.
HVAC Installation or Replacement
High skill replacement and installation of HVAC systems.
HVAC System Maintenance
Continued upkeep of existing HVAC systems.
HVAC System Repair
Installation, repair, and maintenance of traditional and modern systems.
HVAC System Repair
Installation, repair, and maintenance of traditional and modern systems.
How We Work
Our Simple Process
Transparent and designed around your convenience.
Book
You schedule online or call us anytime.
Consult
We discuss your issue and dispatch a professional.
Estimate
We inspect the issue and provide a clear price.
Work
We fix the problem efficiently.
Payment
We settle payments once you are satisfied.
GALLERY
Our Recent Work
TESTIMONIALS
What Our Customers Say
This platform has completely transformed how we manage our marketing campaigns. The ease of use and powerful features have made a significant impact on our ROI.
The automation capabilities are incredible. We've saved countless hours and improved our customer engagement significantly.
This platform has revolutionized our business operations. The seamless integration and powerful features have helped us scale our marketing efforts efficiently while maintaining excellent customer relationships.
The analytics and reporting features give us insights we never had before. Our conversion rates have improved by 40%.
This platform has revolutionized our business operations. The seamless integration and powerful features have helped us scale our marketing efforts efficiently while maintaining excellent customer relationships.
SUPPORT
Frequently Asked Questions
Do you offer 24/7 emergency service?
Yes, we are available around the clock for any HVAC emergencies.
Are you licensed and insured?
Absolutely. All our technicians are fully licensed, insured, and background-checked.
Do you provide free estimates?
Yes, we provide transparent, upfront estimates before any work begins.
What areas do you service?
We serve many cities across Maryland, Virginia, Delaware, and even Washington, DC
Service Areas
Frederick MD
Baltimore MD
Washington, DC
Leesburg, VA
Wilmington, DE
many more cities across MD,VA, and DE
Prime One Services
Contact Us
(443) 271-8510
Available 24/7
373 apl ln.
Baltimore, MD 21215
Business Hours
Monday - Friday 8:00 AM - 5:00 PM
Saturday Closed
Sunday Closed
24/7 Emergency Service
Quick Links
© 2026 Prime One Services. All rights reserved.