Blog

Your Guide to Efficient and Comfortable Home Heating and Cooling

Why You Should Choose a Heat Pump

Explore the Benefits of Heat Pumps As gas appliances and heating systems are being phased out of use in California and across the country, many people are turning their attention …

A Step-by-Step Guide on How to Change HVAC Filters

No one is ever prepared for when their air conditioner suddenly quits working in the middle of the summer heat. Even though it’s a situation that can easily (and understandably) …

How to Choose the Right HVAC Contractor

The time is now to enlist the expertise of an HVAC contractor, whether you think you need services right now or not. You should have a professional perform a routine …

Why Does My Air Conditioning Unit Freeze Up?

If your air conditioning unit is freezing up, it can be a frustrating problem. Not only is it uncomfortable to be in a cold house, but it can also damage …

What is a Whole House Fan, and Do I Need One?

A whole house fan is a powerful fan installed in your home’s ceiling. It is used to circulate air throughout your home, providing natural ventilation and cooling. Whole-house fans are …

Think You Don’t Need a Bathroom Fan? Think Again! Here’s Why They are So Important

Many people don’t think much about their bathroom exhaust fans. However, they are an important part of any bathroom. These fans help remove moisture from the air, which can help …

California is Saying Goodbye Gas, Hello Electric!

Electric technology is constantly evolving, and gas appliances are falling out of favor with consumers as a result. Electric appliances are now better performing and more energy efficient than they …

Why is Hiring a Licensed HVAC Contractor Instead of My Friend Important?

It might be tempting to hire your buddy who knows “a bit about HVAC” instead of a licensed contractor. Maybe it’s not easy for you to tell a friend “no” …

What is an HVAC Permit, and Why Do I Need It?

When the time comes for you to replace your furnace or air conditioning unit, the law states that you must get an HVAC permit. Every HVAC contractor in California must …

Top 5 Things to Expect with Your HVAC Installation

If you’ve decided you need a new furnace or air conditioning unit (or both), you may not know just what to expect throughout the whole experience. There are some good …

Top 5 Questions to Ask When Scheduling Your Next Heating & Air Appointment

It’s to be expected that people have many questions about their HVAC system appointment, and when the time comes for their visit to be scheduled, it’s easy to overlook some …

Should You Replace Your Water Heater with a Tankless Water Heater?

A water heater is one of those big home appliance systems that can make different noises at different times, whether it’s little snaps, taps, crackles, or even little clicks. However, …

Why Choose

A-1 Guaranteed?

Family-Owned & Operated

Highly Experienced with Nearly 30 Years in Business

Heat Pump & Home Electrification Experts

Participating Contractor with Rebate & Incentive Programs

Factory Trained Installers & Service Technicians

Drug-Free Environment Maintained & Enforced

All Employees Fully Background Checked 

Voted Best Heating & Cooling Company for 19 Years

Voted Best of the Bay by KRON 4 TV for 5 Years 

Diamond-Certified Company 

Four-Time Angie’s List Super Service Award Winner

Better Business Bureau Honor Roll for 27 Years 

Certified Green Business

North American Technician Excellent (NATE) Certified

Don’t Just Read About Comfort—Experience It.

Contact A-1 Guaranteed today for expert heating and cooling solutions that keep your home comfortable year-round.

866-883-7789

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