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Heating & Air Services

Walnut, CA

Free, Same-Day Estimates 

Emergency Service Available 

Fast Response Times

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Your Trusted HVAC Partner Since 2013

Allstar Heating & Air brings over two decades of combined experience to every job, delivering honest and reliable HVAC solutions for homes and businesses throughout Walnut. As a family-owned company founded in 2013, we've built our reputation on competitive pricing, fast response times, and clear communication that keeps you informed throughout the process.

We're fully licensed and insured, offering free same-day estimates on new equipment installations. Our team leads the region as the most prolific Airtemp installers in 2024, and we stand behind every project with comprehensive warranties. Plus, we offer special discounts for seniors, military members, and first responders because we believe everyone deserves comfortable indoor air. Get in touch for fast services.

Why Choose Us

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Free, Same-Day Estimates

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Emergency Service Available

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Fast Response Times

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Competitive Pricing

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Efficient Communication

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Trustworthy, Honest, Reliable

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AC Services

Stay cool all summer with our comprehensive air conditioning services, including installation, repair, and maintenance that keeps your system running efficiently year-round.
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Air Quality Services

Breathe easier with our indoor air quality solutions that remove pollutants, allergens, and contaminants from your home or business environment.
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Commercial HVAC Services

We understand business needs differ from residential ones, offering commercial-grade HVAC solutions that prioritize uptime, efficiency, and customer comfort.
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Emergency Heating and Air Repair

HVAC emergencies don't wait for business hours, which is why we offer prompt emergency services to restore your comfort when you need it most.
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Heating Services

Count on us for dependable heating installation, repair, and tune-ups that keep your space warm and comfortable during chilly California evenings.
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High Efficiency HVAC

Lower your energy bills with modern, high-efficiency heating and cooling systems designed to maximize comfort while minimizing environmental impact and operational costs.
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Specialty HVAC Services

From ductless mini-splits to specialized climate control solutions, we handle unique HVAC needs that require careful installation and technical know-how.
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Thermostat Services

Upgrade to smart thermostats that learn your preferences and schedule, giving you precise temperature control and convenient remote access from anywhere.
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Ventilation Services

Proper ventilation prevents moisture buildup and ensures fresh air circulation throughout your property, protecting both your health and your building's structure.
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Water Heating Services

Never run out of hot water again with our water heater installation, repair, and replacement services for traditional and tankless systems.

Our Recent Projects

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Here's what our satisfied customers are saying...

At Allstar Heating & Air Inc., we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Allstar Heating & Air Inc. and let others know what you think.