Serving Berkeley, Oakland, and Alameda, Contra Costa, and Marin Counties!
2015 PGE Contractor of the Year

El Cerrito's trusted home performance experts, Hassler Heating and Air Conditioning, have been named the 2015 Home Upgrade Program Contractor of the Year by PG&E and Energy Upgrade California. Hassler takes the whole home approach to increasing the home performance of homes throughout El Cerrito and Oakland, CA.

indoor air quality

A lot of homeowners living in Berkeley or Oakland, CA find themselves focusing more and more each year on improving energy efficiency. Living a greener, more sustainable lifestyle is no doubt the trend in California, and there are countless different ways in which you can do so. There’s a lot more to home performance than simply energy efficiency, however—especially when it comes to the health and safety of you and your family.

old furnace east bay

With the New Year upon us, many Bay Area residents are scrambling to pick up last-minute gifts and get ready for family and friends to visit. It’s no secret that now’s one of the best times of the year to slow down and celebrate, but it’s also an important time to think about home performance.  If you are looking for an improvement in 2016, how about a new furnace? If yours has been acting up, or looks like the picture, now’s the time to make the switch, and it doesn’t have to be as expensive as you might think—Hassler has you covered.

Carbon Monoxide Monitor

With wet winter weather rolling into the Bay Area, homeowners are going to be spending a lot more time indoors. While relaxing at home and being cozy are both high priority for an enjoyable winter, making sure your home’s indoor air quality (IAQ) is safe and healthy should be first on the list. If your home’s air quality is lacking, you could be exposing your family to carbon monoxide. At Hassler, we’re here to help.

furnace filters

East Bay area homeowners are going to be spending a lot more time indoors in the coming months. At Hassler Heating, we want our customers to have a winter that’s cozy and warm, especially as the holidays approach. If you find yourself turning on your furnace and finding the filters are dirty or clogged, it’s time to take a closer look at the causes. Replacing furnace filters isn’t a big job, but it’s an avoidable nuisance that can end up affecting the efficiency of your unit. Here are some of the most common causes:

CoolCalifornia Challenge Hassler

Pitting city against city in a battle to see who does the best job of lowering their carbon footprint. If you live in El Cerrito, California, you’re ready to join the challenge. Register today and start logging your info to earn points. Every point you earn helps bring the City of El Cerrito closer to victory. Register Here!
Once you register be sure to share with friends, family & neighbors!

Hassler Heating Coupon

There’s no getting around the fact that the weather here in Berkeley, Oakland and Albany areas has yet to take a turn towards the cold that winter can sometimes bring. Fall is certainly here, however, and temperatures are dropping slightly with each passing week. Now is the perfect time of year to have your home’s performance evaluated, and Hassler is here to help with our $100 off deal on a home energy assessment.

indoor air quality tips

Living in Oakland, CA during the hottest stretch of the summer can be uncomfortable. Many homeowners turn straight to their ACs, which help to create conditioned air that keeps us cool on even the hottest days of the year. While plenty of Oakland residents focus on getting their air conditioning units in good working order, the importance of maintaining good indoor air quality.

Hand using a smart device monitoring home performance while a couple celebrates in the background

Myths about home performance proliferate quickly in today’s fast-paced communities, and the East Bay area is no exception. You may have heard some of the following statements from friends, family or coworkers, or on social media. We want to clear things up and share the truth!

Myth #1: New homes are always energy efficient.


air conditioning Oakland CA

Anyone who lives in Oakland, CA knows that the city can get more than just a little hot when the summer months hit. Since it’s more inland than San Francisco, Oakland usually enjoys hotter temperatures overall. Summers are dry and warm, while winters are mild and damp — a Mediterranean climate if there ever was one. For many residents, Oakland summers would be quite difficult to deal with if it wasn’t for central air conditioning.


diamond contractor logo
NATE logo
energy upgrade ca logo
NextDoor Logo
BayRen+ Home Rebate Program
carrier logo