Air Conditioning
Repairs, recharges, and high-efficiency replacements that keep the house cool through a DMV summer.
- AC & heat-pump repair
- New system installs
- Refrigerant & coil service
Licensed & insured · DC · MD · VA
Comfortable in every season.Heating & cooling you can call on today.
AC on the fritz in July? Furnace out in January? Delmar keeps DMV homes at the right temperature — fast repairs, honest pricing, and installs that are built to last.
- Licensed & insured
- Upfront pricing
- Same-day service
- 24/7 emergency line
- Se habla español
Dialed in for DMV comfort — summer and winter.
What we do
One team for the whole system — hot and cold.
Heating
Furnaces, heat pumps, and boilers diagnosed and fixed fast — so a cold snap never catches you off guard.
- Furnace & heat-pump repair
- No-heat emergency calls
- System replacements
Maintenance & Tune-Ups
Seasonal tune-ups that catch small problems early, lower energy bills, and protect your warranty.
- Spring AC tune-ups
- Fall heating checks
- Maintenance plans
Indoor Air Quality
Cleaner, better-balanced air with filtration, humidity control, and smart-thermostat upgrades.
- Air filtration & purifiers
- Humidifiers & dehumidifiers
- Smart thermostats
Where we work
Serving the whole DMV.
From Capitol Hill to the Beltway suburbs, our trucks cover DC, the Maryland close-in counties, and Northern Virginia. Not sure if you're in range? Give us a call — if we can get a truck to you, we'll say so up front.
Coverage area · DMV
Washington
Arlington
Alexandria
Bethesda
Silver Spring
Rockville
Fairfax
Falls Church
Serving Washington, D.C., Maryland, Northern Virginia. Don't see your town? Call — if we can reach you, we'll tell you straight.
Why Delmar
The comfortable choice.
Licensed & insured
Fully licensed and insured across DC, Maryland, and Virginia — the work is done to code and backed for your protection.
Upfront, honest pricing
You approve the price before we start. No surprise line items, no pressure to buy what you don't need.
Fast, same-day service
Most repairs are handled the same day, and our emergency line is open around the clock when the heat or AC quits.
Work we stand behind
Repairs and installs come with a satisfaction guarantee. If something isn't right, we come back and make it right.
Get in touch
Let's get your comfort back.
Call for the fastest response — someone answers the phone, day or night. Prefer to send the details? Request service and we'll get right back to you.
Call anytime(515) 835-3389Or call (571) 315-7875Se habla español
Hours
- Mon – Fri
- 7:00a – 8:00p
- Saturday
- 8:00a – 5:00p
- Sunday
- Emergency service
- Emergencies
- 24 / 7
Or email service@delmarhvac.com