Airguard Mechanical LLC
📍 Poquoson, VA 23662
HVAC contractor
William Winfrey Diggs Jr
📍 5 MARIE COURT
About this listing
William Winfrey Diggs Jr is listed in Poquoson, VA. New split-system air conditioners installed anywhere in Texas must meet a minimum of 14.3 SEER2 under the federal South-region standard — worth knowing when you compare quotes, since a cheaper unit that falls below it cannot lawfully be installed here.
Is William Winfrey Diggs Jr the right fit?
Based on what William Winfrey Diggs Jr 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 Texas 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 William Winfrey Diggs Jr before you book, or compare other Poquoson contractors first.
Services
What HVAC work typically costs in Poquoson
Before you call William Winfrey Diggs Jr, 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 and HVAC replacement cost guide. Poquoson sits in a hot-climate market, where systems run more hours a year and wear out sooner than the national average.