Hot or Cold, We are Your Call.

Efficient, Reliable, Expert HVAC Services in DC, Maryland & Virginia

Licensed & Insured Work done right, protected
Free Quote Clear pricing upfront
Financing Available Through Wisetack
Serving DC, MD & VA 24/7 · Hablamos Español

Expert & Professional Services

  • Free Quote

    We'll look at your system and give you a clear, no-obligation price before any work starts.

  • Competitive Pricing

    Competitive pricing is at the core of our commitment to customer satisfaction. We understand the importance of fair and transparent pricing in the HVAC industry. That's why we strive to offer the best value for our services without compromising on quality. Our competitive pricing model is designed to ensure affordability while delivering top-notch craftsmanship and reliable solutions. We regularly benchmark our rates against industry standards to guarantee that our customers receive fair and competitive pricing for all our HVAC services. With us, you can trust that you're getting the best value for your investment, coupled with exceptional service and expertise.

  • Licensed & Insured

    Fully licensed and insured technicians, so your home is protected.

  • Financing available

    We offer financing through Wisetack

    *All financing is subject to credit approval. Your terms may vary. Payment options through Wisetack are provided by our lending partners. For example, a $1,200 purchase could cost $104.89 a month for 12 months, based on an 8.9% APR, or $400 a month for 3 months, based on a 0% APR. Offers range from 0-35.9% APR based on creditworthiness. State interest rate caps may apply. No other financing charges or participation fees. See additional terms at https://www.wisetack.com/faqs.


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Our Services

As HVAC specialists, we are dedicated to providing you with reliable, professional service to meet all your needs. 

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Heating

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Cooling

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Thermostats

It is a black and white icon of a fan.

Ducts & Vents

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Central Air/Heat Pump/Furnace

By David Moreno • October 6, 2026
Smart thermostat offline, blank, or not turning on the heat? Try these simple fixes first, and learn when it's time to call an HVAC pro in the DMV area.
By David Moreno • October 6, 2026
How long should your furnace or AC last? Learn what affects HVAC lifespan, 7 signs it's time to replace your system, and when a repair still makes sense.
By David Moreno • October 6, 2026
Heat pump or furnace? Compare how each one works, efficiency, cold-weather performance, and dual-fuel options for homes in DC, Maryland, and Virginia.
By David Moreno • October 6, 2026
Furnace blowing cold air when the heat is on? Here are 7 common causes, quick checks you can do safely, and when to call a DMV heating technician for help.
By David Moreno • October 6, 2026
Is your furnace turning on and off every few minutes? Learn the common causes of short cycling, safe DIY checks, and when to call an HVAC pro in the DMV.

Customer Reviews

What Our Customers Say

5.0 ★★★★★ from 240 HireNimbus reviews

★★★★★

“David is fantastic. Always on time, great explainer, extremely capable, and very fair prices. Highly recommend.”

S

Scott Thach

Google · May 2026
★★★★★

“As an agent and homeowner, I love working with D&D! They’re responsive, quick, competitively priced, and do great work. I’ve used them for my own properties as well as had them work on HVACs for clients.”

R

Rick Woler

HireNimbus · Nov 2025
★★★★★

“Very knowledgeable and upfront on what was going on and what it would take to fix. Responsiveness was stellar and workmanship great.”

A

Anthony Hemphill

Google · Jul 2025
★★★★★

“Wow, he came highly recommended, and I can see why. Incredibly experienced and prompt with communication and explanations. Can’t recommend him enough.”

D

Diana

HireNimbus · Jan 2026
★★★★★

“I can’t recommend D&D more. I have used them on multiple properties on a wide variety of projects and have never hesitated to refer them to neighbours and friends.”

C

Catherine M

HireNimbus · Nov 2025
★★★★★

“David gave EXPERT service, was friendly and informative, and helped us set everything up that we needed set up! We'll definitely be using D&D from now on!”

P

Paul Nahay

Google · Jan 2025
Read All Reviews →