Best Duct Cleaning Companies in Laredo, TX
Duct Cleaning in Laredo: standards + transparent process
Duct cleaning quality is determined by the equipment (HEPA-filtered negative-pressure rigs, not shop vacs) and the process (whole-system, not duct-only). NADCA certification is the industry standard. Here is what each of the 5 pros below publishes: In Texas, HVAC contractors must hold an active TDLR TACLA license — ask for the number and verify on tdlr.texas.gov before paying.
Top picks
Norway Air Conditioning Inc.★ Best for Ductwork & Sealing
Duct Cleaning score: 4.1
Vouched Score: 92/100
- Years: 40+
Consistently strong customer feedback (5.0★ from 280+ Google reviews; BBB grade A+).
Google 5.0★ (280+)BBB A+
- Duct testing: ✓
- Years: 10+
Google 4.8★ (165+)
- Duct testing: ✓
- Years: 15+
Google 4.8★ (45+)
- Duct testing: ✓
- NATE: ✓
- Years: 2+
Google 5.0★ (25+)BBB A
Other Laredo HVAC providers
These HVAC providers serve the area but didn't surface a category award or ≥2 verified duct cleaning signals. Confirm credentials and pricing by phone.
Typical Duct Cleaning costs in Laredo, TX (2026)
Last updated
Estimated ranges for Laredo, TX. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Duct cleaning (whole-home) | $255–$585 |
| Dryer vent cleaning (professional) | $75–$180 |
| Evaporator coil cleaning (in-place) | $110–$330 |
| Duct sealing (Aeroseal or similar) | $1,100–$2,550 |
Avoid the $99 bait-and-switch: NADCA (the National Air Duct Cleaners Association) warns that ultra-low-cost “whole house” duct cleaning ads typically cover only a portion of the system — excluding the air handler, blower, coils, and registers where most contamination sits. A legitimate NADCA-standard clean for an average home runs $450–$1,000 and takes 2–4 hours with a two-person crew. Ask if the quote includes the air handler / blower assembly and request before/after photos.
What You Need to Know Before Hiring HVAC Pros in Laredo
- Is duct cleaning actually necessary, or is it always upsell?
- Necessary after rodent infestation, post-renovation construction dust, visible mold growth, or 10+ years since last cleaning in a high-pollen or dusty area. Skip "annual cleaning" recommendations — the NADCA 2025 ACR Standard explicitly notes routine annual cleaning isn't evidence-supported.
- How do I avoid the "$99 whole-home duct cleaning" scam shops?
- Ask for NADCA certification, a written scope that itemizes supply + return + main trunk, and confirmation they use source-removal (vacuum-out) rather than blow-and-go fogging. The $99 ads almost always upsell to $800+ on-site for "mold treatment" the home doesn't need.
- How much does HVAC service cost in Laredo, TX?
- Duct cleaning typically runs $255–$585 in Laredo, Texas. See the HVAC pricing table on this page for the full per-service breakdown.

