24 Hour LTD
📍 Dallas, TX 75247
Advertises 24/7HVAC contractor
Guardian Services
📍 11522 Pagemill Rd, Dallas, TX 75243
About this listing
Guardian Services is listed in Dallas, TX. 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.
Round-the-clock service: this contractor advertises 24/7 emergency availability on their own website. We have recorded the claim, not verified the hours — confirm someone will actually answer before you rely on it at 2am.
Is Guardian Services the right fit?
Based on what Guardian Services lists with AirProHQ: services offered are HVAC contractor, Air duct cleaning service. They advertise 24/7 emergency availability, though we have no independent hours on file to confirm it. 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 Guardian Services before you book, or compare other Dallas contractors first.
Services
What HVAC work typically costs in Dallas
Before you call Guardian Services, 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. Dallas sits in a hot-climate market, where systems run more hours a year and wear out sooner than the national average.