
Los Altos
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.


To keep your house warm during the winter and cool in summer, you’ll need a dependable heating and cooling system that will keep you and your family comfortable. Our mission at Alliance HVAC is to serve homes in Los Altos and surrounding regions with unparalleled heating and cooling solutions and services. So when you hire our fully qualified HVAC experts, you know you’re getting trustworthy services that prioritize your needs!
Our Reliable HVAC Company Offers
Our HVAC specialists at Alliance HVAC are committed to offering you only the highest quality heating and cooling services for your total comfort needs.
So ask your neighbors – our HVAC services are unrivaled. Throughout Los Altos and surrounding areas, we provide the following heating and air conditioning services:
- Air Conditioning Repair
- Air Conditioning Installation
- Air Conditioning Service
- Furnaces Repair
- Furnace Services
- And Other Heating and Air Conditioning Services
Heating Services
Most high-efficiency furnaces and other heating systems have a lifespan of 15 to 20 years. The more strictly the maintenance schedule is followed, and the need for component replacement is addressed, the longer the heating system will offer reliable warmth for your house.
The older your furnace or heating system gets, the less efficient it becomes. So when your furnace shows the following symptoms, it’s time to think about repairing it.
- Lack of regular maintenance
- Dirty filters
- Broken thermostat
- Defective blower motor
- Blocked vents
- Clogged fuel lines
- Blocked drain hose
We will be happy to answer all your questions and set up an appointment to repair, maintain, or replace your heating systems!
Air Conditioning Services
Compressors, hoses, power cables, fan motors, and other parts might fail in the long run due to continuous usage. Don’t fret! You can rely on our professional team to promptly diagnose the issue and make the required repairs right away.
Most air conditioners will last between 12 and 15 years, no matter the brand and model. So, to keep it last for longer, give us a call when an issue arises, such as follows:
- Blowing warm air
- Defective thermostat
- Insufficient airflow
- Noisy operation
- Emits unusual smell when turned on
- Inadequate humidity
- Frequent problems occur
- Leaking water or freon
- Rising energy bill
If you experience any of the said AC issues, contact us right away! Trying to fix it yourself can lead to unnecessary costs if anything goes wrong, especially when you don’t have the appropriate knowledge, skills, and own the sets of tools to do so.
Trust Only Alliance HVAC For All Your Los Altos Heating & Cooling Needs!
At Alliance HVAC, our experts have been handling heating and air conditioning services for years now, so rest easy knowing that you and your comfort needs are in good hands. We will guarantee you fast, accurate, and professional services that restore your comfort to your home in no time!
No matter your heating and cooling needs, Alliance HVAC is the company you can trust here at Los Altos! So, give us a call today at (650) 761-9554 to learn more about our heating and cooling services. With us, your total comfort all year round is within reach!

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.