HVAC blog
HVAC tips, maintenance advice, and energy-efficient solutions from LA Heating & Air Conditioning.

August 18, 2026
Many advancements have been made and continue to be made with heating systems for your home. While we can definitely appreciate the old systems that kept our homes warm and worked for years there are many valid reasons for a heater replacement. Heating systems are often the last upgrade people make in their homes because they are likely to outlive other major equipment appliances in the home including the air conditioner. However, just because something is working does not mean that it is operating efficiently or worth keeping. If you have any of the heating systems below it would benefit you to consider an upgrade.
Time to replace rather than repair? See our furnace and heat pump replacement service in Los Angeles for efficiency options, permits, and rebates.
Floor furnaces are more like wall heaters than a regular furnace, as they are designed to heat the immediate vicinity and do not push air through a ducting system. Floor furnaces are usually found in older homes that were built in the early 1900’s. They are a stubborn feature of the past because, as mentioned above, they tend to have a longer lifespan than other systems. However, they are far from efficient or safe. Similar to space heater concerns, floor furnaces can cause gas leaks and electrical fires in your home as well as the risk of burns if accidently touched. It also exceedingly difficult to find an HVAC contractor who will still maintain them, so you can almost guarantee that they are in disrepair and running inefficiently.
Another heating dinosaur is a gravity furnace. A gravity furnace is a little more technologically advanced than a floor furnace because it has the capability to heat more of your home by utilizing a ducting system. Gravity furnaces are usually located in a basement space and instead of using forced air to push the heated air through the duct system, they allow gravity to carry the heat upwards and throughout the ducting. Though gravity furnaces do not present as many safety hazards to run as a floor furnace and they have an exceptionally long lifespan, they are very inefficient to run and also take up a very large space. Similar to the floor furnace, it also difficult to find an HVAC contractor who performs maintenance or repair on these systems.
Modern furnaces were designed with safety and efficiency in mind. However, even these furnaces have a shelf life. Like all pieces of machinery over time furnaces lose efficiency. Furthermore, manufacturers may stop making parts for older furnaces and custom special order parts can become costly repairs. Furnaces that are over 25 years old are more likely to need frequent repairs, have gas leaks, and cost you extra on your electricity every year.
There are so many advancements in technology that upgrades may seem like a frivolous expense at times. However, heater replacement is anything but frivolous. Upgrading your furnace is a great investment. The HVAC industry has developed technology that now makes furnaces more energy efficient and more environmentally friendly. The benefits of a new furnace compared to your old (almost obsolete) heater are many. If you are ready to explore your options for upgrade contact us online or give LA Heating and Air a call today and schedule your free consultation! (818)660-1062
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Tell us what your system is doing and we will schedule your visit. The $125 residential service call is waived when you approve the repair, and estimates on new systems are free.