Don Glenn Heating & Air Conditioning: Trusted HVAC Services in Los Angeles, CA

For over 75 years, Don Glenn Heating & Air Conditioning has been a reliable name for heating and cooling in Los Angeles, CA. This family-owned business focuses on keeping homes and businesses comfortable through every season. They understand the local climate—from hot San Fernando Valley summers to cooler nights in the foothills—and how it affects HVAC systems.

Business Overview

Don Glenn Heating & Air Conditioning provides full HVAC services for residential and commercial customers across Los Angeles, CA. Their team includes North American Technician Excellence (NATE) certified technicians, trained to handle installations, repairs, and maintenance. They offer emergency service for urgent heating or cooling problems, ensuring help is available when you need it most. Whether it's a single-family home in Echo Park or a commercial building in Pasadena, they have the experience to get the job done right.

Key Services

The company covers all major HVAC needs:

• HVAC Installation or Replacement: Helping homeowners and businesses choose and install energy-efficient systems suited to local building styles and weather.
• HVAC System Repair: Fixing issues like uneven cooling, strange noises, or sudden breakdowns, often common in older Los Angeles-area homes.
• HVAC System Maintenance: Regular tune-ups to improve efficiency, lower bills, and extend system life, which is especially valuable during peak summer heat.

They also provide maintenance plans to keep systems running smoothly year-round.

Areas Served

Don Glenn Heating & Air Conditioning serves a wide range of communities in and around Los Angeles, CA. Their service area includes Los Angeles, Glendale, Hollywood, Pasadena, La Canada Flintridge, Rosemead, Altadena, Echo Park, San Gabriel, Silver Lake, Tujunga, South Pasadena, La Crescenta Montrose, South San Gabriel, South Monrovia Island, and San Pasqual. Their technicians know the housing styles—from historic bungalows to modern apartments—and the specific HVAC challenges each area presents.

Company History

The business was founded in 1946 by Don Glenn in Montrose, CA. Over the decades, it has grown through family leadership and dedication. In 1976, Don Larsen took over, followed by Andy de Vera in 1994, who brought experience from De Vera Air Conditioning (established 1984). Randy de Vera joined in 2010, continuing the legacy. This long history means deep roots in the San Fernando Valley and San Gabriel Valley communities.

Leadership

The ownership combines local ties and technical expertise. The owner attended Saint Francis High School in La Canada, CA (1992), studied Mechanical Engineering at the University of Southern California (1996), and completed HVAC Design at UCLA (2002). With NATE certification, they bring advanced knowledge to every project. Being locally educated and based means they understand the region's needs firsthand.

Specialties & Highlights

• Specialization in both residential and commercial air conditioning and heating.
• NATE-certified technicians for quality service.
• Over 75 years of continuous operation in the Los Angeles area.
• Focus on energy-efficient solutions tailored to local climates.
• Family-owned, with a commitment to personalized customer care.

Why Locals Choose Don Glenn Heating & Air Conditioning

Residents and business owners in Los Angeles, CA turn to Don Glenn Heating & Air Conditioning for reliability, quality work, and a long-standing local presence. Their technicians are skilled, their history shows stability, and they adapt services to fit the diverse needs of the community. When you need HVAC help, they provide straightforward, honest service that has been trusted for generations.

Hours:
Mon: 8:00 AM - 5:00 PM
Tue: 8:00 AM - 5:00 PM
Wed: 8:00 AM - 5:00 PM
Thu: 8:00 AM - 5:00 PM
Fri: 8:00 AM - 5:00 PM
Sat: Closed
Sun: Closed