# ASI Heating, Air & Plumbing

_Company profile on San Diego Water Heater Guide — verified 2026-06-10._

ASI (legal entity A S I Hastings Inc, also branded The White Glove Guys) holds one of the broadest verified licenses in the market — active since 1987 across electrical, HVAC, plumbing, solar, and general building. It runs separate water heater repair, replacement, and maintenance pages plus a water treatment line, and advertises same-day and emergency service nights and weekends at no extra charge. The site’s “since 1952” claim predates the 1987 license.

## At a glance

- **Location:** San Diego, CA
- **CSLB license:** #513115 C-10 (CSLB-verified)
- **24/7 availability:** —
- **Same-day service:** Yes
- **Financing:** Yes
- **Website:** https://www.asiheatingandair.com
- **Phone:** (858) 266-0456
- **Pricing:** Claims no hidden fees and upfront pricing; free estimates on replacements; no published prices
- **Warranty:** Markets a 100% satisfaction guarantee and manufacturer warranty registration; written workmanship terms not published
- **Service areas:** San Diego, North County, East County, South Bay

## Observed strengths

- CSLB license #513115 active since 1987 with five classifications (C-10, C-20, C-36, C-46, B) — among the broadest scopes locally
- Separate water heater repair, replacement, and maintenance pages plus a water treatment line
- Published claim of no extra charge for same-day, night, and weekend emergency service

## Ask before hiring

- Heat pump water heaters are not listed — ask whether they install them and handle TECH Clean California rebates
- The site claims “since 1952” but the license issued in 1987 — ask what the earlier date refers to
- Confirm the after-hours no-surcharge policy applies to water heater calls and whether overnight dispatch is available

## Sources we checked

- [ASI Hastings homepage (name, license CL#513115, founded + after-hours claims)](https://www.asiheatingandair.com) — checked 2026-06-10
- [Water heater replacement page (tank/tankless, free estimates, financing, emergency claim)](https://www.asiheatingandair.com/plumbing/water-heater-replacement/) — checked 2026-06-10
- [CSLB license detail #513115 (A S I Hastings Inc, five classifications, active)](https://www.cslb.ca.gov/onlineservices/checklicenseII/LicenseDetail.aspx?LicNum=513115) — checked 2026-06-10

Canonical page: https://www.sandiegowaterheater.com/company/asi-heating-air-plumbing/

## Machine-readable index

- Site index for LLMs: https://www.sandiegowaterheater.com/llms.txt
- EntityMap v1.0 (entities + sourced evidence): https://www.sandiegowaterheater.com/entitymap.json
- Agent instructions (when to use this guide): https://www.sandiegowaterheater.com/agents.md
- XML sitemap: https://www.sandiegowaterheater.com/sitemap-index.xml

_Our editorial rankings follow our published methodology. Companies cannot pay to change their editorial ranking. Some companies may pay for enhanced profiles or clearly labeled sponsored directory placements; sponsorship never affects editorial rank._

_Published by San Diego Water Heater Guide. Guide last updated June 2026._