Services

We combine certified technicians, transparent pricing, and same-day service across Sonoma and Marin County, CA. Every job is backed by our Comfort Shield Club benefits—priority scheduling, annual tune-ups, and exclusive member discounts.

HVAC Proz proudly serves Sonoma County, Marin County, and surrounding regions, providing local technicians who understand California’s unique climate needs.

Most appointments can be scheduled within 24 hours. For emergencies, we offer same-day HVAC repair services across our service areas.

We service and install all major HVAC brands—including Trane, Carrier, Lennox, Rheem, Daikin, and Goodman—and we use OEM-quality parts to ensure long-term reliability.

It’s recommended to schedule HVAC maintenance twice a year—once before summer and once before winter—to keep your system efficient, lower energy bills, and avoid costly breakdowns.

Warm air from vents, weak airflow, unusual noises, foul odors, or rising energy bills are key indicators your AC unit may need professional attention.

If your system is over 10 years old, has frequent breakdowns, or produces inconsistent temperatures, replacement may be more cost-effective than repeated repairs. HVAC Proz offers free in-home evaluations to help you decide.

Yes. Our duct cleaning and sealing services improve airflow, reduce dust and allergens, and enhance overall indoor air quality. We also install air purifiers, humidifiers, and dehumidifiers for a healthier environment.