Pentagon Air is a Maryland-licensed HVAC contractor serving Silver Spring and the wider Montgomery County area. We work everything from tight downtown condos to older Four Corners colonials and newer White Oak builds. Every job starts with a real diagnosis and a written estimate before any work begins.
Drive time from our Bowie shop
Silver Spring is about 35 minutes from our Bowie shop. We schedule Silver Spring work daily and most repairs are handled in one visit.
Local climate & home types
Silver Spring runs from dense urban condos near the DC line to leafy 1950s suburbs and newer subdivisions further out. That means we see everything from high-rise mini-splits to oil-to-heat-pump conversions in older Montgomery County homes.
HVAC services we offer in Silver Spring
AC Repair
Central AC, heat pump, and mini-split repair across Silver Spring.
AC Repair in Silver SpringAC Installation
New central AC and ductless mini-split installs sized to your home's actual cooling load.
AC Installation in Silver SpringHeat Pump Services
Heat pump install and repair. Modern heat pumps work well in Montgomery County winters and cut energy bills.
Heat Pump Services in Silver SpringFurnace Repair
Gas, electric, and oil-to-heat-pump conversion work. Ignitors, control boards, and safety inspections.
Furnace Repair in Silver SpringThermostat Installation
Smart thermostat installs and configuration for any system type.
Thermostat Installation in Silver SpringDuctwork Services
Duct sealing, repair, and airflow balancing for older Four Corners and Wheaton homes.
Ductwork Services in Silver SpringCommon HVAC problems we fix in Silver Spring homes
Aging oil and gas furnaces
Older Silver Spring homes often still have original-era furnaces. We service them and walk you through heat pump conversion when it makes sense.
Tight inside-the-Beltway homes
Forest Glen and Woodside homes often have no good place to run new ductwork. Ductless mini-splits solve it cleanly.
Capacitor failures after storms
Silver Spring summer storms knock out capacitors all season. Same-visit repair.
Hot upstairs bedrooms
Two-story Aspen Hill and White Oak homes commonly need duct balancing, not a new system.
Condo HVAC
Downtown condo PTAC and mini-split work is one of our most common Silver Spring calls.
Silver Spring neighborhoods we serve
We cover all of Silver Spring and the surrounding Montgomery County area, including:
Downtown Silver Spring
High-rise condos and apartments where compact mini-splits and PTAC units dominate.
Four Corners
1950s and 60s single-family homes with central AC retrofits and aging gas furnaces.
Wheaton
Mix of older bungalows and updated colonials. Heat pump and ductwork work are common.
White Oak
Established neighborhoods with central systems often at the replacement age.
Aspen Hill & Layhill
Suburban homes where modern variable-speed heat pumps and smart thermostats are in demand.
Forest Glen & Woodside
Older homes inside the Beltway, often with limited duct space and good mini-split candidates.
ZIP codes covered: 20901, 20902, 20903, 20904, 20905, 20906, 20910. Landmarks nearby: Westfield Wheaton, Holy Cross Hospital, Sligo Creek Park, Downtown Silver Spring (Ellsworth), FDA White Oak Campus.
Why Silver Spring homeowners choose Pentagon Air
- Maryland licensed and insured HVAC contractor
- Factory-trained on 8 major brands
- Written estimate before any work begins
- Daily Silver Spring coverage
- 24-business-hour response guarantee
What HVAC repair costs in Silver Spring
Most Silver Spring AC repairs in 2026 fall between about $150 and $1,500 depending on the part. You always get a written number before any work begins.
Want a deeper breakdown? Read our 2026 AC Repair Costs & Common Fixes guide.
What to expect when you call us
-
1. Call or book online
Tell us the symptoms. We confirm a visit window.
-
2. On-site diagnosis
A factory-trained tech inspects the system and explains what they find.
-
3. Written estimate
Price in writing before any work begins.
-
4. Repair on the spot
Common parts ride on the truck. The system is repaired and tested.
-
5. Follow-up
We check in after the visit and stand behind the workmanship.
"We had a downtown condo PTAC that no one wanted to touch. Pentagon Air came out, fixed it, and was honest about what was wear-and-tear vs what needed replacement."
Silver Spring HVAC FAQs
Do you work on condos and apartments in downtown Silver Spring?
Yes. We service PTAC and ductless mini-split systems in downtown condos and high-rises. Building permission policies vary, so call first and we can help you navigate the building's HVAC contractor rules.
Do you handle oil-to-heat-pump conversions?
Yes. A lot of older Silver Spring homes still run on oil. Converting to a modern cold-climate heat pump typically saves significantly on operating costs.
Are you licensed and insured in Maryland?
Yes. Pentagon Air is a fully licensed and insured HVAC contractor in Maryland and pulls Montgomery County permits when needed.
Do you replace older Four Corners and Wheaton systems?
Yes. Replacements there are properly sized to the home, not just a copy of the old unit.
How fast can you get to my Silver Spring home?
We cover Silver Spring on a daily schedule. We guarantee response within 24 business hours and most calls move faster.
Do you offer financing?
Yes. For full system replacements or larger repairs we can walk you through financing options.