Category: Treatment Methods
Last Major Revision: April 2026
Expert Review: Verified by The PCC Research Team
If you just received a “Section 1” Termite Report in California, you are likely staring at a massive price difference. The bid for Structural Fumigation (Tenting) is likely $2,500+, while the bid for Localized (Spot) Treatment might be only $600.
Is the “No-Tent” option a scam, or is it a smart way to save money? To understand the true cost of termite treatment, the answer depends entirely on the species of termite and whether you are currently in the process of selling your home.
Quick Navigation:
1. Quick Verdict: Which Should You Choose?
Best for Peace of Mind
Structural Fumigation (Vikane)
The Gold Standard. The only way to guarantee 100% of Drywood termites are dead. Required by most banks for loans.
Warranty: Whole House (2-4 Years)
Best for Small Leaks
Localized Treatment
The “Band-Aid.” Excellent for isolated infestations (e.g., a single door frame). Saves you from moving out and discarding food.
Warranty: Treated Spot ONLY (1 Year)
2. Comparison Table: Fumigation vs. Spot
| Feature | Fumigation (Tenting) | Localized (Orange Oil/Borates) |
|---|---|---|
| Scope | Kills 100% of active colonies. | Kills only what is touched. |
| Disruption | High (Move out for 3 days). | Low (Stay home during treatment). |
| Chemical | Sulfuryl Fluoride (Gas). | D-Limonene or Fipronil (Liquid). |
| Residual Protection | None. Gas leaves no residue. | Yes. Treated wood is protected. |
| Best For | Escrow / Whole House / Attics. | Apartments / Exposed Decks. |
3. The “Escrow Rule” (Selling Your Home)
If you are selling a home in California, the buyer will usually request a “Section 1 Clearance” (clear of active infestation).
- Why Tenting Wins in Escrow: If you choose Localized Treatment, the inspector can only certify the specific spots treated. If the buyer’s inspector finds pellets in the attic a week later, your deal could fall through. Fumigation allows the company to certify the entire structure.
- The Bank’s Role: Many lenders (especially for VA or FHA loans) will require a “clear” termite report. They often reject Localized Treatment reports unless the infestation is proven to be minor and fully accessible.
4. Orange Oil: Does It Actually Work?
Orange Oil (XT-2000) is the most popular “No-Tent” option in California. It is made from D-limonene (citrus peel extract).
The Reality Check: Orange Oil works by contact. It literally melts the exoskeleton of the termite. To work, the technician must drill into the exact gallery where the termites are hiding. If the colony extends 6 inches further than the drill hole, those termites survive. Fumigation gas reaches everywhere; Orange Oil only reaches where the technician drills.
5. Crucial Exception: Subterranean Termites
STOP! Tenting Will Not Kill Soil Colonies
Everything above applies ONLY to Drywood Termites. If you have Subterranean Termites (the ones that live in the ground and build brown mud tubes on your foundation), FUMIGATION DOES NOT WORK.
- Because Subterranean termites live underground, the gas tent will not kill the main colony (the gas doesn’t penetrate soil).
- The Fix: You need a soil treatment (Trenching) or a bait station system. Do not let someone sell you a tent for Subterranean termites!
6. Frequently Asked Questions
Q: Do I need to bag food during termite tenting?
A: Yes. The gas (Vikane) can penetrate plastic and cardboard. Unless food is in metal cans or glass jars with the original factory seal, it must be double-bagged in special Nylofume bags or removed from the property.
Q: Does fumigation leave a toxic residue?
A: No. Sulfuryl Fluoride is a gas that dissipates completely once the tent is removed. You can sleep in your bed the night you return with zero chemical exposure.
Q: Is Orange Oil as effective as fumigation?
A: Generally, no. Orange Oil is a contact killer and only works if the technician drills into the exact spot where termites are hiding. Fumigation gas fills the entire house, ensuring 100% eradication.