Marathon Plumbing, Heating and AC Repair: Covina’s Trusted Home Comfort Team

For over three decades, Marathon Plumbing, Heating and AC Repair has been the go-to name for reliable HVAC and plumbing services in Covina, CA. This family-owned business operates with a simple goal: keep homes comfortable and systems running smoothly, year-round.

Business Overview

Marathon serves residential customers across the San Gabriel Valley and beyond. Their team of licensed, certified technicians is available for both scheduled maintenance and emergency repairs, understanding that a broken AC during a Covina heatwave or a plumbing leak can’t wait. They focus primarily on homes, bringing deep knowledge of local housing styles—from historic bungalows to modern builds—to every job.

Key Services for Homeowners

Marathon’s expertise covers two critical home systems:

Heating & Air Conditioning

• AC installation, repair, and maintenance
• Furnace service and replacement
• Indoor air quality solutions
• Smart thermostat and eco-friendly system upgrades

Plumbing

• Emergency leak and drain repairs
• Water heater installation and service
• Fixture installation (faucets, sinks, toilets, showers)
• Sewer line and gas line services
• Comprehensive plumbing inspections

Areas Served

Marathon proudly serves Covina, CA and many surrounding communities. Their service area includes Santa Monica, Valinda, Fillmore, Sun Village, Citrus, Marina del Rey, South San Gabriel, Avalon, Frazier Park, Piru, Littlerock, Elizabeth Lake, and Leona Valley. Having worked in these areas for years, their technicians understand the specific plumbing and climate challenges of local homes.

Company History

Founded in 1990, Marathon Plumbing, Heating & Air started as a local family operation in Covina. Over 30 years, they’ve grown by sticking to core values: honest work, quality parts, and treating every customer like a neighbor. A key milestone was becoming an independent dealer for American Standard Heating & Air Conditioning, allowing them to offer dependable, manufacturer-backed systems to their community.

Leadership

The owner brings extensive residential HVAC and plumbing experience to the table. He believes in personal service and remains directly involved, often answering customer questions himself. This hands-on approach from leadership means every job gets careful attention, and clients in Covina, CA deal with someone who genuinely cares about their home’s comfort.

Specialties & Highlights

• Expertise with Older Systems: They have a special skill for servicing and maintaining older HVAC units and plumbing found in many established Covina homes.
• American Standard Dealer: As an independent dealer, they provide top-tier equipment and manufacturer-trained installations.
• Eco-Friendly & Smart Tech: They offer modern, energy-efficient systems with remote-access technology to help homeowners save money.
• Full-Service Plumbing: From simple faucet repairs to major sewer line projects, their licensed plumbers handle it all.

Why Locals Choose Marathon Plumbing, Heating and AC Repair

Residents in Covina, CA and the wider region return to Marathon for consistency. They’ve built trust through a long-standing local presence, reliable same-day service when needed, and work that’s backed by real expertise. It’s the combination of deep technical knowledge, quality American Standard products, and a family-business attitude that makes Marathon a steady choice for home comfort and plumbing needs.