Palo Alto HVAC Services
Helping Customers With Heating & AC Services
DG Heating & Air Conditioning provides top-rated HVAC services in Palo Alto and throughout Santa Clara County, ensuring homes and businesses stay comfortable in every season. With decades of experience, we have built a reputation for excellence, reliability, and customer-focused service.
Our NATE-certified technicians undergo rigorous training and stay up to date with the latest industry advancements to deliver expert heating, cooling, and indoor air quality solutions with precision and care. Whether you need a quick repair, a full system installation, or routine maintenance, we use high-quality materials and proven techniques to ensure long-lasting results.
We take pride in offering personalized service, tailoring our solutions to fit your specific needs and budget. From energy-efficient upgrades to emergency repairs, we are committed to keeping your HVAC system running at peak performance. If you’re not completely satisfied, we’ll make it right—because your comfort is our top priority.
Call DG Heating & Air Conditioning today at (408) 669-3496 or contact us online for HVAC services in Palo Alto.
We offer a wide range of HVAC services, including:
- Heating services
- Air conditioning services
- Indoor air quality services
- HVAC maintenance
- Water heaters
- Duct Cleaning
- Vacuum seal coating
We have built our reputation on quality workmanship, honesty, and integrity. We treat our customers like family and always go the extra mile to ensure your complete satisfaction.
How to Improve Your Home’s HVAC Efficiency
Improving your HVAC efficiency can lower energy bills and enhance comfort. Here are some simple yet effective tips:
✔ Change Air Filters Regularly – Replace filters every 1-3 months to maintain airflow and efficiency.
✔ Seal Leaks in Ductwork – Leaky ducts cause energy loss. Professional duct sealing ensures maximum performance.
✔ Upgrade to a Smart Thermostat – Automate temperature control for better energy savings.
✔ Schedule Routine HVAC Maintenance – Prevent unexpected breakdowns and costly repairs.
✔ Insulate Your Home Properly – Good insulation reduces strain on your HVAC system.
Signs Your HVAC System Needs Repair
Don’t wait until a complete breakdown to address HVAC issues. Look for these warning signs:
🔹 Unusual Noises – Banging, rattling, or screeching sounds can indicate loose or failing parts.
🔹 Weak Airflow – Poor airflow can mean clogged filters, duct leaks, or failing compressors.
🔹 Inconsistent Temperatures – Uneven heating or cooling may signal thermostat or ductwork issues.
🔹 High Energy Bills – A sudden spike in energy costs often means your system is working harder than it should.
🔹 Frequent Cycling – If your system turns on and off too often, it may be struggling to maintain the set temperature.
If you notice any of these issues, contact our experts for fast and reliable HVAC repair.
Your Comfort, Our Commitment
At DG Heating & Air Conditioning, we take pride in our reputation for honesty, integrity, and top-tier service. As a family-owned business with over 50 years of experience, we treat our customers like family and go the extra mile to ensure complete satisfaction.
Call DG Heating & Air Conditioning today at (408) 669-3496 or contact us online for same day service.
Commonly Asked Questions
How often should I service my HVAC system?
It’s recommended to schedule HVAC maintenance at least twice a year—once before summer for your AC and once before winter for your heating system. Regular maintenance helps prevent breakdowns and ensures efficient performance.
What size HVAC system do I need for my home?
The right HVAC size depends on factors like your home’s square footage, insulation, and climate. A professional load calculation ensures you get an appropriately sized unit for optimal efficiency and comfort.
How can I improve my indoor air quality?
Improving indoor air quality involves changing air filters regularly, using air purifiers, controlling humidity levels, and scheduling duct cleaning to reduce dust, allergens, and pollutants.
What are the signs that I need a new HVAC system?
If your HVAC system is over 10-15 years old, requires frequent repairs, struggles to maintain temperature, or causes rising energy bills, it may be time for a replacement.
Why is my air conditioner blowing warm air?
Common causes include low refrigerant levels, a faulty compressor, clogged air filters, or thermostat issues. A professional inspection can diagnose and resolve the problem.
What is the benefit of a smart thermostat?
Smart thermostats automate temperature control, improve energy efficiency, and allow remote access via smartphone apps, helping you save on utility costs.
How long does an HVAC installation take?
A typical HVAC system installation takes one to two days, depending on the complexity of the job and whether ductwork modifications are needed.
Hear From Our Happy customers
Reviews & Testimonials
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“I was astounded at the amount of work that the crew of three accomplished in just one day. They did a good job of cleanup and the system works great.”- Eric L.
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“From the estimator, (John) to Leticia in the office, and then the competent technicians, we have been very happy with the product and with the team of people that make up DG.”- E. Robinson
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“The crew, headed by Roy was punctual, efficient and so nice to interact with! We would recommend DG to everyone we know!”- Heather S.
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“Technician Dan arrived on time, was friendly, answered my questions”- Andres D.
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“Installation of the heater had several challenges, all resolved professionally and efficiently.”- John S.
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“Personable, Timely, Clean, Courteous”- Maureen T.
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“Big thanks to John, Mike, Roy, Leticia, and all other installers who did an awesome job on my HVAC system.”- Brian T.
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“After spending my entire career in the industrial air conditioning industry, I was very impressed with DG's workmanship and professionalism.”- John W.