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34 Years
experience
Emergency
services
Your Trusted HVAC Partner in Redwood City
R C Mechanical, founded in 1992 by U.S. Army veteran Sal Contreras, is a veteran-owned HVAC contracting firm based in Redwood City, California. With over three decades of experience in the heating, ventilation, and air conditioning industry, we specialize in whole-house efficiency solutions, including heat pumps, furnaces, air quality systems, and energy audits. Our approach combines state-of-the-art diagnostics with personalized service, ensuring each client receives tailored recommendations for optimal comfort and energy savings. Sal Contreras, a certified HVAC specialist with extensive sheet-metal and mechanical expertise, leads a team committed to integrity, transparency, and technical excellence. We prioritize customer education, offering detailed explanations of system performance, maintenance needs, and upgrade options. Our dedication to quality is reflected in our 20+ years of service to the San Francisco Bay Area, with a focus on Redwood City, Palo Alto, and surrounding communities.

We guarantee prompt emergency response, honest repair assessments, and installations that meet exacting industry standards. Our clients consistently praise our reliability, technical proficiency, and commitment to resolving complex HVAC challenges, including air quality issues and system inefficiencies. As an authorized IQAir installer, we provide advanced air purification solutions for homes with health-sensitive occupants. Our process includes comprehensive home energy audits, leak detection, and customized system design to maximize comfort while reducing environmental impact. We service all major HVAC brands and maintain ongoing training to stay current with technological advancements, ensuring our clients benefit from the latest innovations in heating and cooling efficiency.
Services
Heat Pump Installation Furnace Repair Air Quality Solutions AC Maintenance Ductwork Replacement Energy Audits Carbon Monoxide Testing Mini-Split Systems Ventilation Services Emergency HVAC Repair
Details
  • Year established: 1992
Highlights and features
  • We offer 24/7 emergency HVAC service with rapid response times.
  • Our team includes certified HVAC specialists with 30+ years of field experience.
  • We provide free air pressure testing and diagnostics for air quality issues.
  • Our veteran-owned business guarantees transparent pricing and honest recommendations.
  • We specialize in whole-home energy audits and customized efficiency solutions.
Associations and certifications
  • IQAir Installer
What people say
Expertise and integrity Prompt emergency response Honest recommendations Air quality improvements Detailed explanations
Services
Heat Pump Installation
R C Mechanical specializes in heat pump installation, offering energy-efficient solutions that provide both heating and cooling. Our experts assess home size, climate, and insulation to recommend optimal systems. We ensure proper sizing and installation for maximum efficiency, reducing energy bills while maintaining comfort. Clients benefit from our technical knowledge and commitment to sustainable solutions.
Furnace Repair
Our furnace repair service addresses issues with gas and electric systems, including carbon monoxide leaks and efficiency problems. We use advanced diagnostics to identify issues quickly, prioritizing safety and system longevity. With transparent pricing and honest assessments, we ensure reliable heating performance for Bay Area homes.
Air Quality Solutions
We improve indoor air quality through pressure testing, duct cleaning, and IQAir purification systems. Our process identifies pollutant sources like leaky ducts or improper ventilation. Custom solutions address allergens, mold, and chemical contaminants, creating healthier living environments for sensitive individuals.
Energy Audits
Our comprehensive energy audits use blower door tests and thermal imaging to identify air leaks and insulation gaps. We analyze utility usage patterns to recommend targeted improvements, helping clients reduce energy consumption while enhancing comfort across Redwood City and the Bay Area.
Emergency HVAC Repair
Available for urgent HVAC issues, our emergency repair team responds promptly to system failures. We diagnose and resolve critical problems like furnace shutdowns or AC breakdowns, minimizing discomfort. Clients appreciate our after-hours availability and commitment to restoring functionality quickly.
People
Sal Contreras
HVAC Specialist
U.S. Army veteran Sal Contreras founded R C Mechanical in 1992. With sheet-metal expertise since high school and helicopter maintenance experience, he combines technical precision with customer-focused service. He prioritizes ongoing training and personalized solutions for Bay Area homeowners.
Questions
What HVAC services does RC Mechanical offer?
We provide heat pump installation, furnace repair, air quality solutions, energy audits, and emergency HVAC services for residential clients in the Bay Area.
How do I know if I need furnace repair or replacement?
If your furnace is over 15 years old, has carbon monoxide leaks, or repair costs exceed 50% of replacement value, we recommend replacement with a modern efficient system.
Can heat pumps work in California's climate?
Yes, heat pumps operate efficiently in Bay Area temperatures, providing both heating and cooling while using 1/3 less energy than gas furnaces according to Peninsula Clean Energy.
How do you improve indoor air quality?
We conduct pressure testing to identify leaks, clean ductwork, and install IQAir purification systems to eliminate allergens, mold spores, and chemical contaminants from your home's air.
What areas do you service?
We serve Redwood City, Palo Alto, Menlo Park, San Mateo, and surrounding Bay Area communities for all residential HVAC needs.
Are emergency HVAC services available after hours?
Yes, we offer 24/7 emergency service with technicians available for urgent heating and cooling issues outside regular business hours.