Your Trusted HVAC & Plumbing Experts
Serving Northern Virginia, Maryland & Washington DC - Same-Day Service, Licensed Technicians, No Surprises.
Otech is your trusted HVAC and plumbing contractor in Northern Virginia, Maryland, and Washington DC — from burst pipes at midnight to a broken AC in July, we’ve been keeping homes and businesses across the DMV comfortable since 2009. Licensed, insured, and built on honest work.
HVAC & Plumbing solutions on demand
• Same-Day Service Available • 100% Satisfaction Guarantee • Licensed & Insured
At Otech, customer satisfaction comes first. Our mission is to deliver reliable, high-quality plumbing and HVAC services at a fair price while building long-term relationships based on trust, professionalism, and exceptional service.
Complete HVAC & Plumbing Solutions
Residential and commercial services across Northern Virginia — handled by our trained,
background-checked technicians.
We Answer the Phone. We Show Up on Time. We Fix It Right.
At Otech Plumbing & HVAC, we believe great service starts with honesty. If it's a simple problem, we'll walk you through a fix for free. If it needs a technician, we'll give you a fair quote with no pressure. We've earned our reputation through 15+ years of straightforward work in Northern Virginia.
Same-Day & Emergency Service
Upfront, Honest Pricing
Fully Licensed & Insured
100% Satisfaction Guarantee
How It Works
Call or Book Online
Get a Free Estimate
We Do the Work
You're 100% Satisfied
Feedback from our clients
This review is WAYYYYY overdue, but Jefar is an incredibly honest technician! He’s also competent. Sometime last summer, Jefar came out to check a warning message on my
I called OTECH based on their reviews. Last week when it was one of the hottest weeks of the year, the top zone of our two zone AC unit house was not emitting cool air.
I was very impressed with these guys. First, they accommodated my schedule, when they didn’t have to. Very prompt. Second, they appeared to be
Okay folks, these guys have a stellar rating because they are THAT good. I’m always skeptical of service folks, but Jafar and his team are outstanding. Very attentive to needs and responsive even at the worst times!…
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. Have questions? Get in touch!
Service Area
Otech LLC was founded with a simple belief: every homeowner deserves honest, skilled plumbing and HVAC service at a fair price. Since 2009, we've served thousands of families and businesses across Northern Virginia — always showing up on time, always explaining the work, and always standing behind what we do. We're based in Chantilly, VA and proud to be your neighbors.