Donmar Heating and Cooling Co. Inc
📍 Sterling, DC 20166
HVAC contractor
SILA SERVICES DBA JOHN NUGENT & SONS INC
📍 45921 MARIES RD Unit: 160
About this listing
SILA SERVICES DBA JOHN NUGENT & SONS INC is listed in STERLING, DC.
Is SILA SERVICES DBA JOHN NUGENT & SONS INC the right fit?
Based on what SILA SERVICES DBA JOHN NUGENT & SONS INC lists with AirProHQ: services offered are HVAC contractor. We have no record of them advertising 24/7 emergency service — call ahead to confirm hours for anything urgent. We do not have a corroborated District of Columbia contractor licence on file for this listing — ask to see one before booking. For anything not covered here — such as whether they specifically serve commercial or multi-unit properties — that's worth confirming directly with SILA SERVICES DBA JOHN NUGENT & SONS INC before you book, or compare other STERLING contractors first.
Services
What HVAC work typically costs in STERLING
Before you call SILA SERVICES DBA JOHN NUGENT & SONS INC, it helps to know the going rate. These are national ranges for 2026 — ask any contractor for a written, itemised quote and compare it against them.
| Job | Typical cost |
|---|---|
| Diagnostic / service call | $75 – $200 |
| Capacitor replacement | $100 – $250 |
| Refrigerant recharge | $200 – $600 |
| Compressor replacement | $1,300 – $2,800 |
| Central air conditioner | $3,900 – $7,900 |
| Full HVAC (furnace + AC) | $5,000 – $12,500 |
Ranges from our AC repair cost guide andHVAC replacement cost guide. Actual cost depends on local labor rates and how many hours a system runs each year in your climate.
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