Sunnyvale
Hot or cold, we’ll bring comfort to your household! Get your HVAC services at Alliance HVAC today and contact us!
Why Us?










- Furnace installation
- Furnace repair
- Heating maintenance

- Air conditioning installation
- Air conditioning repair
- Air conditioning maintenance

- Air duct installation
- Air duct cleaning
- Dryer vent cleaning

- Thermostat Installation
- Thermostat Repair

- We always get the service completed, regardless of the issues you face with your heating and air conditioning systems.
- We are an authorized service provider for most brands of HVAC units, with authentic replacement parts for your equipment.
- Versatile schedule and service availability at any day of the week to help with all your home comfort troubles.


You want to be more comfortable and cozy during winter in Sunnyvale. Similarly, you want your home to remain cool in the spring and summer. That is why you rely on your heating and cooling systems to keep you and your family pleasant season after season.
For your comfort needs here in Sunnyvale, trust Alliance HVAC! Heating and cooling repairs and services are our specialties. Our expert heating and cooling contractors understand HVAC systems inside and out and how they perform.
So rest assured that they can troubleshoot and fix problems that prohibit your systems from providing the interior comfort they were meant to give. We also provide dependable installation services with guaranteed durable results that will withstand the test of time.
That is why countless homeowners in Sunnyvale, CA, rely on our fully certified and well-trained professionals for all of their HVAC repair and servicing requirements. So, take advantage of our reliable services and call us today when you need our assistance, especially with the following services:
- Air Conditioning Repair
- Air Conditioning Installation
- Air Conditioning Service
- Furnaces Repair
- Furnace Services
- And Other Heating and Air Conditioning Services
Reliable Heating Services
Our heating specialists at Alliance HVAC use cutting-edge technologies, techniques, and expertise to quickly, effectively, and accurately repair and service your heating system. Our professionals can work on any heating system, including furnaces, regardless of the brand, mode.
So, give us a call whenever you notice any of the following signs necessitating repairs and replacement services:
- Emits burning odors
- Produces unusual noises
- Increased energy cost
- Short cycling
- Constantly running compressor
- Uneven heat distribution
- A dirty or clogged filter
Dependable Air Conditioning Services
Is your Sunnyvale house overheating in the summer?
With frequent cleanings and filter changes, we can help your AC system function to its maximum potential. And this will not only help eliminate dangerous mold, fungus, and thousands of other allergy pollutants from the air, but it also makes your cooling system function more effectively and energy-efficient.
Our professional cooling experts are licensed, insured, and fully qualified to offer you a cleaner-running air conditioner and a breath of fresh air.
So, if you notice any of the following repair and replacement signs, please get in touch with us:
- Warm air
- Visible coolant or water leak
- Insufficient airflow
- Frequent cycles
- High humidity
- Emits bad odors and strange noises
- Skyrocketing energy bills
Why Choose Us Here At Alliance HVAC For Your Heating & Cooling Needs?
Today’s heating and cooling systems are complicated, so you should always work with a heating professional whose abilities are up to date.
Alliance HVAC is the company to call when you need reliable HVAC technicians that know what they’re doing. Our experts receive ongoing training in developing advanced technology, so rest easy knowing that their knowledge and technical skills will remain sharp and will include all of the most recent heating and cooling unit brands, as well as the current and previous models.
In addition, we provide repair, installation, and other HVAC services seven days a week for your convenience!
So, give us a call at (408) 676-0945 today to request a quote or book your heating and cooling service appointment!

Don’t wait for a minor HVAC issue to cause huge and costly repairs! Then, feel free to call Alliance HVAC or filling out the form on this website.