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Need HVAC service or have a question?

Contact Guido’s Service for fast, professional support. We’re here to help with installations, repairs, or maintenance—whenever you need us.

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At Guido’s HVAC Service, our commitment is your complete satisfaction. These real reviews reflect the quality and professionalism we deliver in every HVAC service. Trust the experts.

Guido's

HVAC SERVICES

01
HVAC Installation
Professional installation of heating and cooling systems tailored to your space, ensuring optimal performance, energy efficiency, and long-term reliability for both residential and commercial properties.
02
System Replacement
Professional installation of heating and cooling systems tailored to your space, ensuring optimal performance, energy efficiency, and long-term reliability for both residential and commercial properties.
03
Preventive Maintenance
Scheduled inspections and tune-ups that extend the life of your HVAC system, reduce energy costs, and prevent unexpected breakdowns during extreme weather conditions.
04
Emergency Repairs
Fast, reliable repair services available when you need them most. We diagnose and fix urgent HVAC issues to restore comfort and avoid downtime in homes and workplaces.
05
Air Duct Cleaning
Thorough cleaning of air ducts to improve airflow, eliminate contaminants, and enhance indoor air quality for healthier living and working environments.
06
Commercial HVAC Services
Specialized HVAC solutions for offices, retail stores, restaurants, and other commercial buildings—customized to meet the specific demands of high-traffic or large-scale environments.
07
Indoor Air Quality
Installation of air purifiers, filters, and humidity control systems to maintain clean, balanced air and reduce allergens, pollutants, and odors in your space.
08
Thermostat Upgrades
Smart thermostat installation for better climate control, remote access, and improved energy efficiency. Take control of your indoor comfort with modern temperature management solutions.
09
Seasonal System Inspections
Comprehensive checkups before summer and winter to ensure your HVAC system is running efficiently, safely, and ready to handle peak seasonal demands without unexpected failures or energy waste.

Why Choose Guido’s Service for Your HVAC Needs

At Guido’s Service, we understand that heating and cooling are more than just comfort—they’re essential to daily living and smooth business operations. That’s why we offer tailored HVAC solutions for both residential and commercial clients throughout Contra Costa and Alameda counties.

With over 30 years of hands-on experience, our team is equipped to handle everything from brand-new installations to emergency repairs and ongoing maintenance plans. For homeowners, this means peace of mind, energy-efficient systems, and a comfortable home environment year-round. For business owners, it means reliable service that minimizes downtime, keeps employees and customers comfortable, and helps lower operational costs through smarter HVAC performance.

We take pride in offering clear communication, fair pricing, and top-quality workmanship on every job. Whether you’re building new, upgrading an old system, or just need seasonal maintenance, Guido’s Service delivers the professionalism, speed, and results you can trust—every time.

Choose us, and experience the difference of working with a local team that truly cares about your comfort and success.